Komatsuwheel loaderlarge (wa400 - )
Komatsu WA420-1(S/N 10001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WA420-1 (S/N 10001-UP) is a mid-size articulated-frame wheel loader built from 1987 to 1994, part of Komatsu's first "-1" generation mid-size loader lineup alongside the WA350-1, WA400-1, and WA450-1. Early production ran a Cummins 6CTA8.3 turbocharged and aftercooled inline six-cylinder diesel (172 kW/234 PS gross), mechanically governed with no electronic engine controls; Komatsu switched to its own SA6D110-1 (turbo aftercooled) / S6D110-1 (naturally aspirated) 110-series diesel for the remainder of this serial range, also mechanically governed with no electronic controls. The drivetrain is a torque-converter powershift transmission driving full-time four-wheel drive through front and rear axles, with wet multi-disc service brakes and articulated hydraulic steering. Operating weight runs about 18.6-19.6 t (41,000-43,200 lb) depending on tire size, bucket, and counterweight choice, with a standard bucket around 3.4 m3. Komatsu also sold a longer-chassis LC variant under a separate serial block for higher-lift applications.
Komatsu skipped a numbered "-2" update and moved this platform straight to the WA420-3 (S/N 53001-UP), which switched to a different engine family (SAA6D114E-1) and added electronic engine and hydraulic controls, later branching into regional -3 variants (X, XR, CS, H Active) that share no driveline parts with the -1. That split matters for parts buyers: a WA420-3 engine, transmission, or electronics part is the wrong fit for a WA420-1 or its WA420-1LC sibling. In the used market, the WA420-1's value today is its simplicity. A purely mechanical Cummins-powered driveline with no fault-code diagnostics is easier and cheaper to keep running or rebuild than later electronically controlled loaders, which keeps surviving units and their engine, torque-converter, and axle components in steady demand as working backup loaders or as a parts source for fleets still running this generation.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu WA420-1(S/N 10001-UP) specifications
Engine
| Engine sourcing note | Komatsu built the earliest WA420-1 (S/N 10001-UP) loaders with a Cummins 6CTA8.3 turbocharged aftercooled diesel, then switched to its own SA6D110-1 (turbocharged aftercooled) / S6D110-1 (naturally aspirated) 110-series diesel for the remainder of this serial range. Confirm which engine is fitted to a specific unit from its engine tag before ordering engine parts. |
| Engine model | Early production: Cummins 6CTA8.3 - 4-stroke, water-cooled, in-line six-cylinder, overhead-valve, direct-injection diesel, turbocharged and aftercooled. Later production (majority of this serial range): Komatsu SA6D110-1 (turbocharged aftercooled) / S6D110-1 (naturally aspirated) 110-series diesel — exact power figures for that engine are not published for this exact serial range. |
| Gross flywheel power | 172 kW (234 PS) at 2,200 rpm, per DIN 6270B (figures apply to the early Cummins-powered units; not confirmed for later Komatsu SA6D110-1/S6D110-1-powered units of this same serial range) |
| Net flywheel power | 167 kW (224 hp) at 2,200 rpm per SAE J1349; 167 kW (227 PS) at 2,200 rpm per DIN 70020 (figures apply to the early Cummins-powered units; not confirmed for later Komatsu SA6D110-1/S6D110-1-powered units of this same serial range) |
| Displacement | 8.3 L (506 cu in) (figures apply to the early Cummins-powered units; not confirmed for later Komatsu SA6D110-1/S6D110-1-powered units of this same serial range) |
| Bore x stroke | 114 mm x 135 mm (4.5 in x 5.3 in) (figures apply to the early Cummins-powered units; not confirmed for later Komatsu SA6D110-1/S6D110-1-powered units of this same serial range) |
| Fuel system / governor | Direct injection, all-speed mechanical governor, turbocharged with aftercooling (figures apply to the early Cummins-powered units; not confirmed for later Komatsu SA6D110-1/S6D110-1-powered units of this same serial range) |
| Starting / charging system | 7.5 kW 24V electric starter; 24V/55A alternator; two 12V/143Ah batteries |
| Emissions tier | Not applicable - this generation predates EPA/EU nonroad emissions-tier regulation (production window approx. 1987-1994) |
Weights
| Operating weight (standard configuration) | 19,600 kg (43,210 lb) - with 23.5-25-16PR (L-3) tires, standard rear ballast, full fuel/coolant/lubricants, steel cab, ROPS canopy and operator |
| Operating weight (without rear ballast) | approx. 18,550 kg (40,895 lb) - same tire and cab spec with standard ballast removed; some spec databases list this loader at roughly 18.6 t (41,000 lb), which matches this no-ballast configuration |
| Operating weight (26.5-25-20PR tires, with ballast) | approx. 20,775 kg (45,800 lb) - about +1,175 kg (2,590 lb) versus the standard configuration |
| Bucket weight | 2,000 kg (4,409 lb) for the standard 3.4 m3 (4.4 cu yd) loose-material bucket |
| Shipping weight | Not published separately from operating weight in factory literature for this serial range |
| Ground pressure | Not published in factory literature; not a typical rated spec for a wheeled loader |
Dimensions
| Overall length, bucket on ground | 7,810 mm (25 ft 7 in) |
| Overall length, bucket at carry | 7,765 mm (25 ft 6 in) |
| Overall width over tires (23.5-25 tires) | 2,800 mm (9 ft 2 in) |
| Overall width over tires (26.5-25 tires) | 2,890 mm (9 ft 6 in) |
| Overall height, top of cab/exhaust (static) | approx. 3,285-3,500 mm (10 ft 9 in - 11 ft 6 in), varies with cab/exhaust-stack configuration |
| Operating height, fully raised | 5,510 mm (18 ft 1 in) |
| Tread (wheel gauge), both tire sizes | 2,200 mm (7 ft 3 in) |
| Wheelbase | Not given as a numeric figure in factory literature; described qualitatively as an extra-long wheelbase for stability |
| Turning radius, outside corner of bucket | approx. 6,565-6,600 mm (21 ft 6 in - 21 ft 8 in); figure varies slightly between spec sections of the same factory sheet |
| Articulation angle | 40 degrees each direction from centerline |
| Standard tire size | 23.5-25-16PR (L-2), rims 19.5 x 25 WTB; optional 26.5-25-20PR |
| Bucket width | 3,050 mm (10 ft), standard loose-material bucket |
| Ground clearance | Not published as a standalone figure in factory literature for this serial range - verify with your dealer |
Performance
| Travel speed, 1st gear | 0-6.7 km/h (4.2 mph) forward; 0-7.6 km/h (4.7 mph) reverse |
| Travel speed, 2nd gear | 0-12.0 km/h (7.5 mph) forward; 0-13.4 km/h (8.3 mph) reverse |
| Travel speed, 3rd gear | 0-20.3 km/h (12.6 mph) forward; 0-22.4 km/h (13.9 mph) reverse |
| Travel speed, 4th gear (top speed) | 0-34.1 km/h (21.2 mph) forward; 0-37.4 km/h (23.2 mph) reverse |
| Static tipping load, straight | 14,880 kg (32,805 lb), standard bucket/tire/ballast configuration |
| Static tipping load, full turn | 12,965 kg (28,583 lb), standard bucket/tire/ballast configuration |
| Breakout force (bucket cylinder) | 19,870 kg (43,805 lb) |
| Hydraulic cycle time (rated load in bucket) | raise approx. 6.7 s; dump approx. 1.5 s; lower (empty) approx. 3.6 s |
| Loader circuit pump flow | combined approx. 276 L/min (73 US gpm) at 2,200 rpm engine speed |
| Steering circuit pump flow | approx. 134 L/min (35 US gpm) at 2,200 rpm engine speed |
| Loader relief valve setting | 20.6 MPa (210 kgf/cm2, approx. 3,000 psi) |
| Steering relief valve setting | approx. 19.6 MPa (200 kgf/cm2, approx. 2,840 psi) |
| Boom cylinder, bore x stroke | 160 mm x 769 mm (6.3 in x 30.3 in) |
| Bucket cylinder, bore x stroke | 200 mm x 485 mm (7.9 in x 19.1 in) |
| Steering cylinder, bore x stroke | 90 mm x 442 mm (3.5 in x 17.4 in) |
| Gradeability | Not published in factory literature for this model range |
Service capacities (summary)
| Fuel tank | 293 L (77.4 US gal) |
| Hydraulic system | 103 L (27.2 US gal) |
| Engine oil | 22 L (5.8 US gal) |
| Cooling system | 52 L (13.7 US gal) |
| Torque converter and transmission | 47 L (12.4 US gal) |
| Axle, each (front and rear) | 55 L (14.5 US gal) |
| Brake oil tank | 7 L (1.8 US gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
WA420-1(S/N 10001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (oil pan, with filter) | Not published in any source located for this exact serial range (10001-UP). Treat as unconfirmed until checked against the machine's own OMM or shop manual. | Komatsu Genuine engine oil (EO); API CD/CE-class diesel engine oil, graded by ambient temperature per the OMM viscosity-by-climate chart (era-typical bands run SAE 10W, SAE 30, 10W-30, or 15W-40). Exact grade table not verified for this serial range - confirm before service. Applies regardless of which of the two engines fitted across this production run (Cummins 6CTA8.3 early, Komatsu SA6D110-1/S6D110-1 later) is in your unit. |
| Cooling system (radiator and block) | Not published for this exact serial range in sources checked. | Komatsu Genuine antifreeze/coolant (ethylene-glycol type) mixed with clean water per the OMM freeze-protection table, with the standard corrosion-inhibitor/supplemental coolant additive on the normal service interval. Mix ratio and exact fill volume not verified for this serial range. |
| Fuel tank | Not published for this exact serial range in sources checked. | Diesel fuel per Komatsu's standard fuel spec (No. 2-D equivalent), with a winter-grade blend below freezing per the OMM's seasonal fuel guidance. Exact tank volume not verified for this serial range. |
| Torque converter and transmission (powertrain case) | Not published for this exact serial range in sources checked. Komatsu wheel loaders of this generation commonly share one oil fill between the torque converter and transmission housing, but that arrangement is not confirmed against this machine's own OMM. | Komatsu Genuine transmission/torque-converter oil (TO-class); viscosity graded by ambient temperature per the OMM chart. Exact class and grade not verified for this serial range. |
| Front axle (differential and planetary final drives) | Not published for this exact serial range in sources checked. | Komatsu Genuine axle oil (AXO), gear-oil class per API GL-4/GL-5, graded by ambient temperature per the OMM chart. Owners of this same model report the printed guidance on axle oil grade is thin - confirm the exact spec against the OMM or a dealer before filling. |
| Rear axle (differential and planetary final drives) | Not published for this exact serial range in sources checked. | Komatsu Genuine axle oil (AXO), gear-oil class per API GL-4/GL-5, graded by ambient temperature per the OMM chart. Same caution as the front axle - confirm exact spec before filling. |
| Hydraulic tank and system (loader and steering circuits) | Not published for this exact serial range in sources checked. | Komatsu Genuine hydraulic oil (HO-class); viscosity graded by ambient temperature per the OMM chart. Exact grade and tank/system volumes not verified for this serial range. |
| Grease (chassis lubrication points, spec only) | Not applicable - lubrication points, not a fluid reservoir. | Komatsu Genuine multipurpose grease, NLGI No. 2 lithium-base (molybdenum-disulfide-fortified grease is specified on certain pin/bushing points on Komatsu loaders of this era); apply per the OMM lubrication interval chart. Exact grade not verified for this serial range. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu WA420-1(S/N 10001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the WA420-1(S/N 10001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
The engine fitted to this loader (Cummins 6CTA8.3 on early production, Komatsu’s own SA6D110-1/S6D110-1 on later production) is mechanically governed and throws no fault codes, so lean on scheduled oil sampling and gauge trends instead of ECM diagnostics. Pull engine, transmission, and axle oil samples at the 1000-hour service to catch bearing wear or a weakening torque converter early. Watch coolant and hydraulic temperature gauges closely, since this pre-electronic loader gives no automatic overheat warning. A shortening fuel filter change interval on a machine this age usually signals tank or line contamination worth investigating.
Corrective & Common Repairs
Wear concentrates in the articulation hitch bushings, loader-arm and bucket pins, and king pins after decades of cycle loading. Powershift clutch slippage or delayed direction shifts usually trace to worn transmission clutch packs or a tired torque converter, not electronics, since this generation predates transmission controllers. Check the engine fitted to this unit for injector wear and turbocharger shaft play when power drops or exhaust smokes. Wet-disc brake drag or long pedal travel points to disc wear inside the axle housings, not external components.
Overhaul & Rebuild Points
At major overhaul, prioritize the torque converter and powershift transmission, since machines in this serial range have often reached several rebuild cycles by now. Inspect front and rear axle final drives and differential carriers for gear and bearing wear tied to total duty hours. Pull and inspect the fitted engine’s injection pump and injectors, and check cylinder liner condition if oil consumption has climbed. Recondition articulation and loader-linkage pin and bushing sets together to restore steering and lift geometry.
Seasonal & Environment Servicing
Before cold weather, switch to a winter-grade engine oil and verify coolant freeze protection for the engine fitted to this unit, since these mechanical engines have no cold-start electronics to flag a weak block heater or glow system. On hot, dusty sites, shorten air cleaner and fuel filter service intervals and clear packed debris from the radiator and hydraulic oil cooler fins. In wet or muddy conditions, regrease articulation and loader-linkage pins more often to keep water and grit out of the bushings.
WA420-1(S/N 10001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 600-311-9100 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 09637-02161 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30262 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
| 6125-81-7032 | Element Ass'Y,Air Cleaner | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WA420-1(S/N 10001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine Oil Pressure warning lamp (red, with buzzer) | Engine lubricating oil pressure has dropped below the safe minimum. | Low oil level, worn oil pump, clogged suction screen, or a failed oil pressure sensor/switch. | Stop the engine right away, check oil level and look for leaks before restarting. |
| Coolant Temperature warning lamp (overheat) | Engine coolant temperature has gone above the normal operating range. | Low coolant level, clogged radiator core, slipping or failed fan drive, or a stuck thermostat. | Idle the engine, let it cool, then check coolant level and radiator fins/screen once safe to open the cap. |
| Charge warning lamp | Alternator is not charging the battery circuit. | Broken or slipping alternator belt, failed alternator, or a loose/corroded charging circuit connection. | Check belt tension and battery terminals, then test alternator output. |
| Torque Converter Oil Temperature warning lamp | Torque converter/transmission oil temperature is running above normal. | Low transmission oil level, clogged oil cooler, or sustained high-load or stall operation. | Reduce load and let the converter cool, then check oil level and cooler for blockage. |
| Air Cleaner Restriction indicator | Intake air filter restriction has reached the service limit. | Dirty or clogged air filter element. | Inspect the element and clean or replace it as needed. |
| Parking Brake / Brake Oil Pressure warning lamp | Parking brake is applied, or hydraulic brake accumulator pressure is low. | Parking brake left engaged, low brake circuit oil, or a brake charge pump/accumulator fault. | Confirm parking brake position first; if the warning persists, check brake circuit oil level and accumulator charge. |
| Hydraulic Oil Temperature warning lamp | Hydraulic system oil temperature is above the normal operating range. | Low hydraulic oil level, clogged oil cooler, or continuous high-load operation. | Reduce load and idle to cool, then check oil level and cooler fins. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
WA420-1(S/N 10001-UP) attachments & work tools
General-purpose bucket
Standard work tool for this loader, sized roughly 3.2-3.6 m3 (4.2-4.7 cu yd) heaped capacity depending on bolt-on edge and lip configuration. Used for general dirt, sand, and aggregate loading and is the bucket normally fitted from the factory.
Rock / heavy-duty bucket
Reinforced-base bucket with bolt-on teeth for abrasive quarry and rock-face loading. Runs a smaller nominal capacity than the general-purpose bucket to keep breakout force and structural life within range for this loader class.
Light-material / high-capacity bucket
Larger, lower-profile bucket for low-density material such as woodchip, mulch, or coal. Capacity can run toward the 4 m3 (5.2 cu yd) end of the range documented for this loader family, trading breakout force for volume.
Pallet forks
Fork frame and tine set mounted on the loader's front coupler for palletized and unitized material handling. Frame capacity is matched to the machine's class-rated tip load, and a reinforced or counterweighted carriage is normally used when running forks instead of a bucket.
Log / grapple forks
Wishbone-style hydraulic grapple forks for handling logs, pipe, and lumber on uneven ground. Floating tine design and cushioned clamp cylinders are typical for wheel loaders in this operating-weight bracket, roughly 18-20 t (40,000-44,000 lb).
Grapple bucket / grapple rake
Bucket or rake fitted with a hydraulically actuated clamp arm for scrap metal, brush, and refuse handling. Arm and bucket lip are high-strength steel sized for clamping loads rather than digging duty.
Coupler / mounting system
Factory fit for this generation is a mechanical quick-hitch coupler, letting the operator swap buckets, forks, or blades without a pin-and-hammer changeover. Aftermarket couplers built for this weight class come in several proprietary plate styles, all designed to mate with the loader's standard boom-end mounting.
Auxiliary hydraulics / hydraulic-kit notes
Work tools with a powered function, such as grapple clamp arms or a multi-purpose bucket, need a dedicated auxiliary hydraulic circuit run to the front coupler. This is normally an add-on kit rather than a base-machine default, so confirm valve and line provision before ordering a hydraulically actuated tool. Contemporary loaders in this same Komatsu family were offered new with a quick coupler plus auxiliary hydraulics as a package, which is the same arrangement basis used here.
Cab and guarding options
A ROPS/FOPS cab with factory air conditioning is available for loaders in this class, and heavy-duty belly guards or screening are commonly specified for quarry and aggregate duty. Exact factory option coverage for this specific serial range is not well documented in available literature -- verify current fitment with your dealer.
All WA420-1(S/N 10001-UP) assemblies by section
Every catalogued assembly group for the Komatsu WA420-1(S/N 10001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Drive Shaft? Differential And Wheels
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Dryer Piping(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 9 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Dryer Piping(#20001-)
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 3 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 1 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Dryer(#10001-19999)
| 42***60 | Desiccant (Kit) | 1 |
| 42***70 | Ring,Seal (Kit) | 1 |
| 42***80 | Protector | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Dryer(#20001-)
| 42***60 | Desiccant (Kit) | 1 |
| 42***70 | Ring,Seal (Kit) | 1 |
| 42***80 | Protector | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Governor
| 42***50 | Governor Assembly, Air | 1 |
| 56***10 | Body Ass'Y (Op) | 1 |
| 56***20 | Filter - (K11) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Compressor To Wet Tank)(#10001-19999)
| 01***75 | Bolt,(For Shipping) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Compressor To Wet Tank)(#20001-)
| 01***75 | Screw | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank To Treadle Valve)(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 6 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 7 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank To Treadle Valve)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***17 | Plug | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank)(#20001-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Parking Brake And Horn)(#10001-10134)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Parking Brake And Horn)(#10135-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Parking Brake And Horn)(#20001-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Treadle Valve To Chamber)(#10001-19999)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 07***12 | Washer, Gasket,(Without Thermo Sensor) (K1) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Treadle Valve To Chamber)(#20001-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 5 |
| 08***10 | Clip, Brake Line To Front Axle | 6 |
| 42***50 | Elbow | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Wet Tank To Dry Tank)(#10001-10039)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 9 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Wet Tank To Dry Tank)(#10040-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Wet Tank To Dry Tank)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Chamber
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 6 |
| 01***10 | Nut (K10) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Front Brake)(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Front Brake)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Rear Brake)(#10001-19999)
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Rear Brake)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
| 01***16 | Bolt - Starting Motor Ground Cable | 6 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Tank To Chamber 1/2)(#10001-10134)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Tank To Chamber 1/2)(#10135-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***08 | Screw - Clip Mounting | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Tank To Chamber 2/2)(#10001-10134)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 10 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 14 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Tank To Chamber 2/2)(#10135-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 10 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Tank To Chamber)(#20001-)
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 2 |
| 07***36 | Hose | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Center)
| 01***50 | Bolt - Spider To Transmission And To Front Drive | 8 |
| 41***30 | Lubrication Nipple | 1 |
| 42***60 | Seal,Oil (Tbg/Abe Spec.) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Front)
| 01***75 | Bolt, Hanger Bearing Mounting | 4 |
| 01***05 | Bolt, Yoke Mounting | 1 |
| 01***50 | Bolt - Spider To Transmission And To Front Drive | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Rear)
| 01***50 | Bolt - Spider To Transmission And To Front Drive | 8 |
| 42***40 | Lubrication Nipple | 1 |
| 42***20 | Spider, Assembly | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Axle Housing(#10001-19999)
| 04***60 | Screw, Serial Number Plate | 4 |
| 07***34 | O-Ring,Transmission And Steering Case | 2 |
| 07***30 | Breather | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Axle Housing(#20001-)
| 01***40 | Bolt,(Dust And Dirt Protection) | 1 |
| 01***95 | Bolt, Yoke Mounting | 32 |
| 01***40 | Screw | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Differential
| 01***30 | Bolt,(For Center Guard) | 2 |
| 01***40 | Bolt,(Not Used With Cab) | 26 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Final Drive
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***50 | Screw | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Wheel Brake(#10001-19999)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***40 | Bolt,(Not Used With Cab) | 36 |
| 01***65 | Capscrew | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Wheel Brake(#20001-)
| 01***40 | Bolt,(Not Used With Cab) | 28 |
| 01***70 | Capscrew | 32 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 28 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Jack(#20001-)
| 42***10 | Jack,15ton | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Parking Brake
| 07***00 | Fitting, Grease (Steering Cylinder) | 1 |
| 07***00 | Valve, Relief | 1 |
| 42***10 | Brake Pad Kit | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Parking Brake Control
| 01***07 | Nut,L.H. Thread (D31s) | 1 |
| 01***13 | Nut,(See Fig.337) | 2 |
| 01***10 | Nut (K10) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Axle Housing(#10001-19999)
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 14 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 14 |
| 04***42 | Pin,Dowel? Gear Case Cover | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Axle Housing(#20001-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 11 |
| 01***50 | Screw | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Differential
| 01***30 | Bolt,(For Center Guard) | 2 |
| 01***40 | Bolt,(Not Used With Cab) | 20 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 7 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Final Drive
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***50 | Screw | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Wheel Brake(#10001-19999)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***40 | Bolt,(Not Used With Cab) | 36 |
| 01***65 | Capscrew | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Wheel Brake(#20001-)
| 01***40 | Bolt,(Not Used With Cab) | 28 |
| 01***70 | Capscrew | 32 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 28 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Slack Adjuster
| 07***08 | Plug (Kit) | 2 |
| 42***01 | Adjuster Assembly - Wheel Brake Slack | 2 |
| 42***10 | Cylinder Assembly | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Spring Cylinder
| 42***42 | Cylinder Assembly, Parking Brake Air | 1 |
| 42***10 | Cylinder | 1 |
| 42***20 | Rod | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Treadle Valve
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***22 | Screw | 4 |
| 01***22 | Bolt,(10m) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Wheel And Tubeless Tire
| 09***40 | Valve Assembly | 4 |
| 09***30 | Stem, Valve | 1 |
| 09***41 | Core, Valve | 1 |
Engine Related Parts And Electrical System
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Accelerator Pedal And Linkage(#10001-19999)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Accelerator Pedal And Linkage(#20001-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***60 | Bolt,(For Japan And Sweden) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Battery And Battery Box(#10001-10092)
| 01***45 | Bolt,(For Slag Handling) | 2 |
| 01***60 | Bolt, Hanger Bearing Mounting | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Battery And Battery Box(#20001-)
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 4 |
| 01***85 | Bolt,(For Perforated Mask) | 2 |
| 01***08 | Screw, Terminal | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Battrey And Battery Box(#10093-19999)
| 01***45 | Bolt,(For Slag Handling) | 2 |
| 01***60 | Bolt, Hanger Bearing Mounting | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Battery Line)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 9 |
| 01***32 | Washer,(With Auto Emergency Steering) | 9 |
| 08***14 | Clip,(For Two Levers Steering) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Bttery Line)(#20001-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Cold Terrain Spec.)(#20001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Screw, Mount Leg | 4 |
| 01***25 | Screw,(Except Japan) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? L.H.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***10 | Screw,(With Air Conditioner) | 1 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.) (Europe Spec.)(#10001-10454)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 8 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.) (Europe Spec.)(#10455-19999)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 9 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.) (Europe Spec.)(#20001-20003)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.) (North America Spec.)(#10001-10460)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 8 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.) (North America Spec.)(#10461-19999)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 9 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.) (North America Spec.)(#20001-20003)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.) (North America Spec.)(#20004-)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Engine Line)(#10001-19999)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 1 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Engine Line)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***08 | Screw - Clip Mounting | 1 |
| 01***12 | Screw,(With Articulate Indicator) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Floor Line)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Floor Line)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 1 |
| 01***08 | Screw - Clip Mounting | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Fog Lamp)(#20001-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 08***14 | Band,(For Additional Fuel Strainer) | 20 |
| 08***19 | Band,(Without Air Conditioner) | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Lamp)(#10001-19999)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 12 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 14 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Lamp)(#20001-)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 16 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***16 | Screw, Mount Parking Lights | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Line)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 24 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Line)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***08 | Screw - Clip Mounting | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Frame Line)(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 16 |
| 01***08 | Screw - Clip Mounting | 7 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Frame Line)(#20001-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***08 | Screw - Clip Mounting | 11 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Lamp)(#10001-10134)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***08 | Screw - Clip Mounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Lamp)(#10135-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***12 | Screw,(Additional Sun Visor) | 4 |
| 01***08 | Screw - Clip Mounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Lamp)(#20001-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***08 | Screw - Clip Mounting | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrocal System (Console Box? R.H.) (Europe Spec.)(#20004-)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***45 | Bolt,(Cold Terrain Spec.) | 8 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 8 |
| 01***45 | Bolt, Mounting Front Axle | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Rerated Parts(#10001-19999)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Fuel Filter(#20001-)
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping(#10001-19999)
| 01***50 | Bolt (Op) | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping(#20001-)
| 01***70 | Bolt, Mount Fuel Tank - Rear | 1 |
| 01***20 | Bolt, Fuel Tank Mounting | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Instrument Panel
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Screw - Holder | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Monitor Panel (Europe Spec.)(#10001-10268)
| 01***12 | Screw | 20 |
| 01***05 | Washer,(Without Window Washer) | 20 |
| 78***10 | Bulb - 1.4 Watt | 7 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Monitor Panel (Europe Spec.)(#10269-)
| 01***10 | Washer,(Except Japan) | 10 |
| 01***05 | Washer,(Except Japan) | 10 |
| 08***03 | Bulb? 3w,Turn Signal Lamp | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Monitor Panel (North America Or Tbg/Abe Spec.)(#10001-10240)
| 01***12 | Screw | 20 |
| 01***05 | Washer,(Without Window Washer) | 20 |
| 78***10 | Bulb - 1.4 Watt | 7 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Monitor Panel (North America Or Tbg/Abe Spec.)(#10241-)
| 01***10 | Washer,(Except Japan) | 10 |
| 01***05 | Washer,(Except Japan) | 10 |
| 08***03 | Bulb? 3w,Turn Signal Lamp | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Cover(#10001-19999)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***60 | Bolt, Trunnion Cap | 2 |
| 01***30 | Bolt,(For Center Guard) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Cover(#20001-)
| 01***30 | Bolt,(For Center Guard) | 2 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 2 |
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Dust And Dirt Protection(#10001-19999)
| 42***10 | Protector | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Piping(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***75 | Bolt, Tube Mounting | 2 |
| 01***12 | Screw,(With Articulate Indicator) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Piping(#20001-)
| 01***12 | Screw,(With Articulate Indicator) | 1 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***80 | Screw | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator(#10001-19999)
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 12 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator(#20001-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Sensor
| 08***05 | Switch,Engine Oil Pressure | 1 |
| 78***10 | Sensor,(With Speedometer) | 1 |
| 78***00 | Controller Ass'Y,(Tbg/Abe Spec.) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Water Separator(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Water Separator(#20001-)
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Frame And Guard
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Additional Counter Weight
| 01***50 | Bolt | 2 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 4 |
| 22***80 | Washer, Mount | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Condensor (Denso)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 3 |
| 42***20 | Condenser Assembly | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (Denso) (1/5)(#20001-)
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (Denso) (2/5)(#20001-)
| 01***08 | Screw, Mount Damper To Shaft | 4 |
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (Denso) (3/5)(#20001-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (Denso) (4/5)(#20001-)
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (Denso) (5/5)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (Denso) (1/3)
| 42***10 | Air Conditioner A.,(Komatsu-Yellow) | 1 |
| 42***11 | Air Conditioner A.,(Yellow-E2) | 1 |
| 42***90 | Hose - Drain | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (Denso) (2/3)
| 42***50 | Evaporator | 1 |
| 42***60 | Coil Assembly, Heater | 1 |
| 42***10 | Tube, Liquid - To Receiver | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (Denso) (3/3)
| 42***60 | Blower Assembly | 1 |
| 42***10 | Motor Assembly | 1 |
| 42***20 | Packing | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Canopy(#20001-)
| 01***55 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***11 | Nut,(With Under Mirror) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Car Heater (1/2) (Denso)(#.-)
| 01***08 | Screw, Mount Damper To Shaft | 4 |
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Car Heater (2/2) (Denso)(#.-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Car Heater (Daikin)(#10001-.)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Car Radio
| 01***10 | Screw,(For Wiper Switch Earth) | 3 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 4 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Compressor (Denso)
| 42***30 | Compressor Assembly | 1 |
| 42***10 | Compressor Sub-Assembly | 1 |
| 42***20 | Clutch Assembly | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Console Box (With Air Conditioner Or Car Heater)(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 7 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Console Box (With Air Conditioner Or Car Heater)(#20001-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***20 | Screw,Rubber | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Console Box (Without Air Conditioner Or Car Heater)(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 7 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 10 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Console Box (Without Air Conditioner Or Car Heater)(#20001-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***20 | Screw,Rubber | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Engine Hood (For Sandy And Dusty Terrain Spec.)(#20001-)
| 01***75 | Bolt, Tube Mounting | 1 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 4 |
| 01***10 | Nut,(Without Air Conditioner) | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Extinguisher (For Extreme Cold Weather)(#20001-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***11 | Nut,(With Under Mirror) | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor And Ladder (With Cab)(#10001-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor And Ladder (With Cab)(#20001-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 12 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor And Ladder (Without Cab)(#10001-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor Frame(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 18 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor Frame(#20001-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 5 |
| 01***16 | Screw | 2 |
| 01***20 | Screw,(Tbg/Abe Spec.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor Guard (Without Cab)(#10001-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor Guard (Without Cab)(#20001-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
| 01***60 | Bolt, Tube To Oil Cooler | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor Support(#10001-19999)
| 01***35 | Bolt,(For Pedal Steering) | 6 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Floor Support(#20001-)
| 01***60 | Bolt,(For Ripper) | 8 |
| 01***10 | Bolt (Op) | 4 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Front Frame(#10001-19999)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 10 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 10 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Front Frame(#20001-)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 10 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 10 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Front Work Lamp(#10001-19999)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 6 |
| 01***23 | Washer,(With Auto Emergency Steering) | 6 |
| 22***70 | Bulb? 24v,(For Japan) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Front Work Lamp(#20001-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 10 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 10 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Heater Unit (1/3) (Denso)(#.-)
| 41***10 | Heater Unit,(Without Joy Stick Steering) | 1 |
| 41***11 | Heater Ass'Y,(Without Joy Stick Steering) | 1 |
| 41***20 | Panel - Heater Controls | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Heater Unit (2/3) (Denso)(#.-)
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Heater Unit (3/3) (Denso)(#.-)
| 42***60 | Blower Assembly | 1 |
| 42***80 | Duct,(See Fig.5597) | 1 |
| 42***10 | Motor Assembly | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Heater Unit (Daikin)(#10001-.) : Unit_03_of_03
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***08 | Screw - Holder | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Heater Unit (Daikin)(#10001-.) : Unit_01_of_03
| 01***08 | Screw, Terminal | 12 |
| 01***12 | Screw,(Additional Sun Visor) | 2 |
| 01***08 | Screw | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Heater Unit (Daikin)(#10001-.) : Unit_02_of_03
| 01***10 | Screw,(For Wiper Switch Earth) | 2 |
| 01***04 | Nut,(For Air Conditioner Less) | 2 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Hydraulic Tank Cover(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Instrument Panel Cover
| 01***50 | Bolt,(For Strengthened Cover) | 2 |
| 01***14 | Nut | 2 |
| 01***20 | Washer, Spring | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Mirror (Without Cab)(#10001-19999)
| 01***11 | Nut,(With Under Mirror) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***38 | Clip, Seat | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Mirror And Stay (For Cab)(#10001-19999)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
| 08***23 | Mirror,(For Japan) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Mirror And Stay (For Cab)(#20001-)
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 8 |
| 08***23 | Mirror, Outside - Rear View | 2 |
| 42***70 | Stay, L.H | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Noise Abatement Parts (1/2) (Ec Spec.)(#20001-)
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 20 |
| 01***65 | Bolt, Mount Tube To Divider Valve | 6 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 20 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Noise Abatement Parts (2/2) (Ec Spec.)(#20001-)
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (1/6)(#10001-19999)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (1/6)(#20001-)
| 01***50 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
| 01***75 | Bolt - Cab To Rops | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (2/6)(#10001-19999)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 6 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 20 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (2/6)(#20001-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***20 | Screw | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (3/6)(#10001-19999)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 3 |
| 01***08 | Screw - Holder | 3 |
| 09***06 | Cap,(Without Head Lamp) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (3/6)(#20001-)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 3 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 09***08 | Cap | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (4/6)(#10001-19999)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 3 |
| 01***20 | Screw (Not Illustrated) | 2 |
| 01***12 | Screw,(Additional Sun Visor) | 14 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (4/6)(#20001-)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 10 |
| 01***16 | Screw,(With Ashtray) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (5/6)(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 1 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (5/6)(#20001-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 2 |
| 01***10 | Screw,(For Shipping) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (6/6)(#10001-19999)
| 01***10 | Screw,(For Wiper Switch Earth) | 6 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 6 |
| 01***08 | Washer,(For Fixed Type Ripper) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (6/6)(#20001-)
| 08***10 | Connector | 1 |
| 08***10 | Connector | 1 |
| 08***10 | Grommet,(For Slag Handling) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Seat (Rigid Type)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Operator'S Seat (Variable Type)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Radiator Guard And Engine Hood (1/2)(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Radiator Guard And Engine Hood (1/2)(#20001-)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 9 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Radiator Guard And Engine Hood (2/2)(#10001-19999)
| 01***20 | Bolt,(Without Maintenance Monitor) | 6 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 9 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Radiator Guard And Engine Hood (2/2)(#20001-)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***35 | Bolt | 2 |
| 01***12 | Bolt,(With Speedometer) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Rear Frame(#10001-19999)
| 01***60 | Bolt, Hanger Bearing Mounting | 8 |
| 01***70 | Bolt - Thrust Plate Mounting | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Rear Frame(#20001-)
| 01***60 | Bolt, Hanger Bearing Mounting | 8 |
| 01***70 | Bolt - Thrust Plate Mounting | 8 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Rear Wiper(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Screw, Mount Parking Lights | 3 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Rear Wiper(#20001-)
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Remote Lubricating (Rear)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
| 07***10 | Connector, Grease Fitting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Rops Canopy(#10001-19999)
| 01***80 | Bolt, Mount Cab To Rear Frame | 12 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 12 |
| 02***19 | Bolt,Tether | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Rops Canopy(#20001-)
| 01***80 | Bolt, Mount Cab To Rear Frame | 12 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 28 |
| 42***21 | Support, R.H. Rops | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Seat Belt (For Rigid Type)
| 09***01 | Belt? Lap,(78mm Wide) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Seat Belt (For Variable Type)
| 02***19 | Bolt,Tether | 1 |
| 09***01 | Bolt,(For Shipping) | 3 |
| 09***02 | Washer,(For Shipping) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Sun Visor(#20001-)
| 01***16 | Screw, Mount Parking Lights | 4 |
| 01***08 | Washer,(For Fixed Type Ripper) | 4 |
| 41***51 | Sun Visor (Op) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Under Guard(#10001-19999)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
| 42***20 | Guard | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Under Guard(#20001-)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 10 |
| 01***50 | Bolt,(For Strengthened Cover) | 10 |
| 01***10 | Nut,(Without Air Conditioner) | 10 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Vandalism Protection(#10001-19999)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 07***03 | Gasket,(F4320-64a0 -32 ) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Vandalism Protection(#20001-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Window Washer(#10001-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
| 08***10 | Band,Fuel Hose | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Frame And Guard : Window Washer(#20001-)
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***05 | Nut,Voice Alarm | 2 |
Mark Plate? Tool And Kit
Komatsu : Wa420-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English)(#10001-19999)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Product Graphic, Important - Diesel Fuel | 1 |
| 09***00 | Product Graphic, Caution, Drain Air Tanks | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English)(#20001-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Product Graphic, Important - Diesel Fuel | 1 |
| 09***00 | Product Graphic, Caution, Drain Air Tanks | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (Russian)(#20001-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Caution,Instruction? Fuel | 1 |
| 09***00 | Plate? Safety,Safety? Reservoir Drain | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (Spanish)(#20001-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Caution,Inst | 1 |
| 09***00 | Product Graphic, Caution, Drain Air Tanks | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Service Kit
| 07***07 | O-Ring - (K7) | 1 |
| 07***12 | O-Ring, Between Valve And Pump | 1 |
| 07***55 | O-Ring,Front Accessory Drive | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***22 | Nozzle, Grease Pump | 1 |
Sa6d110-1r Engine S/N 54110-Up
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Additional Fuel Filter
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
| 60***00 | Fuel Filter Ass'Y | 1 |
| 60***20 | Cartridge,Pref | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Air Cleaner And Mounting
| 01***25 | Bolt,(Without Auto Priming System) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Air Compressor
| 61***11 | Air Compressor Ass'Y,(See Fig.0711) | 1 |
| 61***12 | Air Compressor Ass'Y | 1 |
| DK***00 | Cylinder | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Air Compressor And Piping
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Air Intake Manifold And After Cooler (1/2)(#54110-60517)
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***25 | Stud | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Air Intake Manifold And After Cooler (1/2)(#60518-)
| 01***25 | Stud | 5 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***25 | Bolt - Relay Mounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Air Intake Manifold And After Cooler (2/2)(#54110-60517)
| 01***20 | Bolt | 2 |
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
| 01***35 | Bolt,(Without Auto Priming System) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Air Intake Manifold And After Cooler (2/2)(#60518-)
| 01***14 | Bolt - Plate Mounting | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 6 |
| 01***25 | Bolt - Relay Mounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Alternator (25a)
| 60***30 | Alternator A. (25a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Alternator (50a)
| 60***90 | Alternator A. (50a),(With Hardening Pulley) | 1 |
| SD***X0 | Washer | 1 |
| SD***X0 | Fan | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Alternator Abd Mounting (25a) (Bracket Less Type)(#56997-)
| 01***45 | Bolt,(For Suction? Reversible Fan) | 1 |
| 01***35 | Bolt,(Cold Weather Spec.) | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Alternator And Mounting (25a) (Bracket Mounting Type)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 1 |
| 01***55 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Alternator And Mounting (50a)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 1 |
| 01***55 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Camshaft And Tappet
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Corrosion Resistor And Piping
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***29 | Washer,Spring (Cold Weather Spec.) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Crankshaft
| 01***55 | Bolt,(For France Noise Suppression) | 6 |
| 01***45 | Bolt,Nylock | 1 |
| 01***50 | Bolt,(Europe Spec.) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Cylinder Block
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Cylinder Head
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Cylinder Head Cover
| 07***23 | Clamp - Hose | 1 |
| 07***00 | Clip | 1 |
| 07***30 | Clip | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Exhaust Manifold And Turbocharger
| 01***60 | Bolt (M10-1.50x60) | 1 |
| 01***00 | Bolt (M10-1.50x100) | 9 |
| 01***15 | Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Flywheel And Flywheel Housing
| 01***40 | Bolt,(Dust And Dirt Protection) | 9 |
| 01***45 | Bolt,(Cold Terrain Spec.) | 8 |
| 01***55 | Bolt,(For France Noise Suppression) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Front Cover And Gear(#54110-60517)
| 01***22 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***60 | Bolt,(Without Alternator Bracket) | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Front Cover And Gear(#60518-)
| 01***20 | Bolt,(Forwarded Individually Parts) | 1 |
| 01***55 | Screw | 10 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Filter And Piping
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump (Coupling)
| DK***20 | Plate | 1 |
| DK***00 | Coupling | 1 |
| DK***00 | Washer,Lock | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump (Feed Pump)
| DK***20 | Bolt, Joint | 1 |
| DK***20 | Pump,Priming | 1 |
| DK***00 | Guide | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump (Governor) (1/2)
| DK***20 | Guide Lever Ass'Y | 1 |
| DK***20 | Capsule,Spring | 1 |
| DK***00 | Adapter | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump (Governor) (2/2)
| DK***80 | Shim? 0.5mm | 0 |
| DK***00 | Washer,Spring | 1 |
| DK***20 | Capsule,Spring | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump (Pump) (1/2)
| 61***10 | Injection Pump Ass'Y | 1 |
| DK***20 | Bolt | 1 |
| DK***30 | Bearing | 0 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump (Pump) (2/2)
| DK***00 | Seat,Spring | 6 |
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***00 | Seat,Spring | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump (Timer)
| DK***00 | Shim? 0.15mm | 0 |
| DK***20 | Flange | 1 |
| DK***40 | Shim? 0.20mm | 0 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Injection Pump And Piping
| 01***30 | Bolt | 3 |
| 01***70 | Bolt | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Fuel Nozzle And Spill Pipe
| 01***55 | Bolt,(For Trimming Dozer) | 12 |
| 01***55 | Screw | 12 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Gasket Kit
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
| 07***21 | O-Ring,Water Piping | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Gasket Kit (Cold Terrain Spec.)(#56997-)
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
| 07***21 | O-Ring,Water Piping | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Cooler (Cold Terrain Spec.)(#54110-60517)
| 01***25 | Bolt,(Without Auto Priming System) | 7 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Cooler (Cold Terrain Spec.)(#60518-)
| 01***20 | Screw | 6 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***30 | Bolt,(Water Separator Spec.) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Cooler(#54110-60517)
| 01***25 | Bolt,(Without Auto Priming System) | 5 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Cooler(#60518-)
| 01***20 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***30 | Bolt,(Water Separator Spec.) | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Filter And Mounting
| 01***70 | Bolt | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Piping(#54110-60517)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***40 | Bolt,(For Position Fixing) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Piping(#60518-)
| 01***90 | Screw | 1 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 3 |
| 01***14 | Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Lubricating Oil Pump And Suction Pipe
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***45 | Bolt,(S6d155-4b) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Muffler And Mounting
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Oil Pan
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 8 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Oil Pan (Cold Terrain Spec.)
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 8 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Piston And Connecting Rod
| 04***18 | Ring, Retaining | 12 |
| 61***10 | Bolt,Connecting Rod | 2 |
| 61***11 | Bolt,Connecting Rod | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Rocker Arm
| 01***80 | Bolt,(Shim 5 Pieces Over) | 2 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 12 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Solenoid And Mounting
| 01***20 | Bolt | 4 |
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Starting Motor (7.5kw)
| 60***50 | Starting Motor Ass'Y,(7.5kw) | 1 |
| KD***60 | Shift Lever Assembly | 1 |
| KD***40 | Spring,Spring | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Starting Motor And Mounting (7.5kw)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 3 |
| 01***36 | Washer,Radio Controlled Slag Handling | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Turbocharger
| 61***01 | Turbocharger Ass'Y,(T04b59-39) | 1 |
| GA***00 | Clamp | 3 |
| GA***01 | Bolt | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Turbocharger Lubricating Oil Piping
| 01***22 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Water Pump And Cooling Fan (For Bracket Mounting 25a Alternator) (Noise Suppression Spec. For Ec.)(#54110-60517)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Water Pump And Cooling Fan (For Bracket Mounting 25a Alternator) (Noise Suppression Spec. For Ec.)(#60518-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Water Pump And Cooling Fan (For Bracket Mounting 25a Alternator) (Noise Suppression Spec.)(#54110-60517)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Water Pump And Cooling Fan (For Bracket Mounting 25a Alternator) (Noise Suppression Spec.)(#60518-)
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Water Pump And Cooling Fan(#54110-60517)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Water Pump And Cooling Fan(#60518-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1r Engine S/N 54110-Up : Water Separator
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 60***00 | Water Separator A.,(4d105-5h? 4d105-5t) | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Sa6d110-1w Engine S/N 54110-Up
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Additional Fuel Filter
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
| 60***00 | Fuel Filter Ass'Y | 1 |
| 60***20 | Cartridge,Pref | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Air Cleaner And Mounting(#56997-)
| 01***75 | Bolt,(See Fig.0142) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Air Compressor
| 61***11 | Air Compressor Ass'Y,(See Fig.0711) | 1 |
| 61***12 | Air Compressor Ass'Y | 1 |
| DK***00 | Cylinder | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Air Compressor And Piping
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Air Intake Manifold And After Cooler (1/2)(#56997-60924)
| 01***25 | Bolt,(Without Auto Priming System) | 10 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***25 | Stud | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Air Intake Manifold And After Cooler (1/2)(#60925-)
| 01***25 | Stud | 5 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 8 |
| 01***25 | Bolt - Relay Mounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Air Intake Manifold And After Cooler (2/2)(#56997-60924)
| 01***20 | Bolt | 2 |
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
| 01***35 | Bolt,(Without Auto Priming System) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Air Intake Manifold And After Cooler (2/2)(#60925-)
| 01***14 | Bolt - Plate Mounting | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 6 |
| 01***25 | Bolt - Relay Mounting | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Alternator (25a)
| 60***30 | Alternator A. (25a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Alternator (35a)(#56997-)
| 60***40 | Alternator A. (35a),(With Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***80 | Collar | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Alternator (50a)
| 60***90 | Alternator A. (50a),(With Hardening Pulley) | 1 |
| SD***X0 | Washer | 1 |
| SD***X0 | Fan | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Alternator And Mounting (25a? 35a)(#56997-)
| 01***45 | Bolt,(For Suction? Reversible Fan) | 1 |
| 01***35 | Bolt,(Cold Weather Spec.) | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Alternator And Mounting (50a)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 1 |
| 01***55 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Camshaft And Tappet
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Corrosion Resistor And Piping
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***29 | Washer,Spring (Cold Weather Spec.) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Crankshaft
| 01***55 | Bolt,(For France Noise Suppression) | 6 |
| 01***45 | Bolt,Nylock | 1 |
| 01***50 | Bolt,(Europe Spec.) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Cylinder Block(#56997-)
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Cylinder Head Cover
| 07***23 | Clamp - Hose | 1 |
| 07***00 | Clip | 1 |
| 07***30 | Clip | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Cylinder Head(#56997-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Engine Stop Motor And Mounting(#56997-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***00 | Bolt (M12-1.75x100) | 2 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Exhaust Manifold And Turbocharger
| 01***60 | Bolt (M10-1.50x60) | 1 |
| 01***00 | Bolt (M10-1.50x100) | 9 |
| 01***15 | Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Flywheel And Flywheel Housing(#56997-)
| 01***40 | Bolt,(Dust And Dirt Protection) | 17 |
| 01***60 | Bolt, Trunnion Cap | 2 |
| 01***65 | Bolt (M12-1.75x65) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Front Cover And Gear(#56997-60924)
| 01***22 | Bolt,(Cold Terrain Spec.) | 4 |
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***60 | Bolt,(Without Alternator Bracket) | 9 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Front Cover And Gear(#60925-)
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***55 | Screw | 9 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 7 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Filter And Piping
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump (Coupling)(#56997-)
| DK***20 | Plate | 1 |
| DK***00 | Coupling | 1 |
| DK***00 | Washer,Lock | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump (Feed Pump)(#56997-)
| DK***20 | Bolt, Joint | 1 |
| DK***20 | Pump,Priming | 1 |
| DK***00 | Guide | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump (Governor) (1/2)(#56997-)
| DK***20 | Guide Lever Ass'Y | 1 |
| DK***20 | Capsule,Spring | 1 |
| DK***00 | Adapter | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump (Governor) (2/2)(#56997-)
| DK***80 | Shim? 0.5mm | 0 |
| DK***00 | Washer,Spring | 1 |
| DK***20 | Capsule,Spring | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump (Pump) (1/2)(#56997-)
| 61***11 | Injection Pump Ass'Y | 1 |
| DK***20 | Bolt | 1 |
| DK***30 | Bearing | 0 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump (Pump) (2/2)(#56997-)
| DK***00 | Seat,Spring | 6 |
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***00 | Seat,Spring | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump (Timer)(#56997-)
| DK***00 | Shim? 0.15mm | 0 |
| DK***20 | Flange | 1 |
| DK***40 | Shim? 0.20mm | 0 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Injection Pump And Piping(#56997-)
| 01***30 | Bolt | 3 |
| 01***70 | Bolt | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Fuel Nozzle And Spill Pipe(#56997-)
| 01***55 | Bolt,(For Trimming Dozer) | 12 |
| 01***55 | Screw | 12 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Gasket Kit
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
| 07***21 | O-Ring,Water Piping | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Gasket Kit (Cold Terrain Spec.)(#56997-)
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
| 07***21 | O-Ring,Water Piping | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Cooler (Cold Terrain Spec.)(#56997-60924)
| 01***25 | Bolt,(Without Auto Priming System) | 7 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Cooler (Cold Terrain Spec.)(#60925-)
| 01***20 | Screw | 7 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***30 | Bolt,(Water Separator Spec.) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Cooler(#56997-60924)
| 01***25 | Bolt,(Without Auto Priming System) | 5 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt,(Without Auto Priming System) | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Cooler(#60925-)
| 01***20 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 3 |
| 01***30 | Bolt,(Water Separator Spec.) | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Filter And Mounting
| 01***70 | Bolt | 1 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 1 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Piping(#54110-60517)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***40 | Bolt,(For Position Fixing) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Piping(#60518-)
| 01***90 | Screw | 1 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 3 |
| 01***14 | Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Lubricating Oil Pump And Suction Pipe
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***45 | Bolt,(S6d155-4b) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Muffler And Mounting (Noise Supression Spec. For Ec)(#63381-)
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
| 01***45 | Bolt, Bracket Mounting | 4 |
| 01***90 | Bolt,(For Large Fan) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Muffler And Mounting(#56997-)
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 4 |
| 01***95 | Bolt,(For Reversible Fan) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Oil Pan (Cold Terrain Spec.)(#56997-)
| 01***12 | Bolt,(Without R.P.C.U.) | 3 |
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Oil Pan(#56997-)
| 01***12 | Bolt,(Without R.P.C.U.) | 3 |
| 01***22 | Bolt,(Cold Terrain Spec.) | 29 |
| 01***25 | Bolt,(Without Auto Priming System) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Piston And Connecting Rod
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Rocker Arm
| 01***80 | Bolt,(Shim 5 Pieces Over) | 2 |
| 01***06 | Nut, Regular Hexagon (M8-1.25) | 12 |
| 01***36 | Washer,Radio Controlled Slag Handling | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Starting Motor (7.5kw)
| 60***50 | Starting Motor Ass'Y,(7.5kw) | 1 |
| KD***60 | Shift Lever Assembly | 1 |
| KD***40 | Spring,Spring | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Starting Motor And Mounting (7.5kw)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 3 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 3 |
| 01***36 | Washer,Radio Controlled Slag Handling | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Turbocharger
| 61***01 | Turbocharger Ass'Y,(T04b59-39) | 1 |
| GA***00 | Clamp | 3 |
| GA***01 | Bolt | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Turbocharger Lubricating Oil Piping
| 01***22 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Water Pump And Cooling Fan (For Bracket Less 25a Alternator) (Noise Suppression Spec.)(#56997-60924)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Water Pump And Cooling Fan (For Bracket Less 25a Alternator) (Noise Suppression Spec.)(#60925-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Water Pump And Cooling Fan(#54110-60517)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 3 |
| 01***50 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Water Pump And Cooling Fan(#60518-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Sa6d110-1w Engine S/N 54110-Up : Water Separator
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 60***00 | Water Separator A.,(4d105-5h? 4d105-5t) | 1 |
| 60***60 | Plug,Drain (4d105-5h? 4d105-5t) | 1 |
Special Application Parts
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Governor (Tbg/Abe Spec.)(#10001-19999)
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Compressor To Wet Tank) (Tbg/Abe Spec.)(#10001-19999)
| 01***75 | Bolt,(For Shipping) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Control To Parking Brake) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Control To Parking Brake) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 7 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Control To/From Tank) (Tbg/Abe Spec.)(#10001-19999)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***65 | Bolt,R.H | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Control To/From Tank) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***60 | Bolt, Mounting | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Dry Tank To Treadle Valve) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***17 | Plug | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Dry Tank) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Dry Tank) (Tbg/Abe Spec.)(#20001-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Treadle Valve To Chamber) (Tbg/Abe Spec.)(#10001-19999)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***12 | Washer, Gasket,(Without Thermo Sensor) (K1) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Treadle Valve To Chamber) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 5 |
| 08***10 | Clip, Brake Line To Front Axle | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Treadle Valve) (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 6 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Wet Tank To Dry Tank) (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 10 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Air Piping (Wet Tank To Dry Tank) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***08 | Screw - Clip Mounting | 1 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Battery And Battery Relay (Tbg/Abe Spec.)(#10001-19999)
| 01***45 | Bolt,(For Slag Handling) | 2 |
| 01***60 | Bolt, Hanger Bearing Mounting | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Boom Kick Out And Bucket Positioner (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Brake Oil Piping (Chamber To Front Brake) (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Brake Oil Piping (Chamber To Rear Brake) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Console Box (With Air Conditioner Or Car Heater) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 7 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Console Box (With Air Conditioner Or Car Heater) (Tbg/Abe Spec.)(#20001-)
| 01***20 | Screw,Rubber | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
| 01***10 | Screw | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Console Box? L.H.) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Console Box? L.H.) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***10 | Screw,(With Air Conditioner) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Console Box? R.H.) (Tbg/Abe Spec.)(#10001-10483)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 8 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Console Box? R.H.) (Tbg/Abe Spec.)(#10484-19999)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 10 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Console Box? R.H.) (Tbg/Abe Spec.)(#20001-)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Engine Line) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***08 | Screw - Clip Mounting | 1 |
| 01***12 | Screw,(With Articulate Indicator) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Floor Line) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Floor Line) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 1 |
| 01***08 | Screw - Clip Mounting | 9 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Front Lamp) (Tbg/Abe Spec.)(#10001-19999)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 16 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Front Lamp) (Tbg/Abe Spec.)(#20001-)
| 01***10 | Screw, Mount Wire Assembly | 4 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Front Line) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 23 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Front Line) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***08 | Screw - Clip Mounting | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Rear Lamp) (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***22 | Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Electrical System (Rear Lamp) (Tbg/Abe Spec.)(#20001-)
| 01***08 | Screw, Terminal | 8 |
| 01***08 | Screw - Clip Mounting | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 10 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (1/4) (Tbg/Abe Spec.)(#10001-19999)
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 4 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (1/5) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (2/4) (Tbg/Abe Spec.)(#10001-19999)
| 01***00 | Bolt, Mount Back-Up Alarm | 4 |
| 01***05 | Bolt, Mount Hose Clip | 4 |
| 01***16 | Washer,(With Water Separator) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (2/5) (Tbg/Abe Spec.)(#20001-)
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 6 |
| 01***00 | Bolt, Mount Back-Up Alarm | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (3/4) (Tbg/Abe Spec.)(#10001-19999)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***95 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (3/5) (Tbg/Abe Spec.)(#20001-)
| 01***25 | Bolt, Mount Filter To Bracket | 4 |
| 01***16 | Washer,(With Water Separator) | 2 |
| 04***08 | Pin, Spring | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (4/4) (Tbg/Abe Spec.)(#10001-19999)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***80 | Bolt,(Not Shown) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Emergency Steering Piping (4/5) (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 4 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Energency Steering Piping (5/5) (Tbg/Abe Spec.)(#20001-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***10 | Bolt, Fan Mounting | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Engine Oil Heater (For Extreme Cold Weather)(#20001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Screw, Mount Leg | 4 |
| 01***25 | Screw,(Except Japan) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Engine Releted Parts (Tbg/Abe Spec.)(#10001-19999)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Engine Releted Parts (Tbg/Abe Spec.)(#20001-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***14 | Bolt - Plate Mounting | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Floor And Ladder (With Cab) (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Floor And Ladder (With Cab) (Tbg/Abe Spec.)(#20001-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***60 | Bolt,(For Ripper) | 8 |
| 01***50 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Floor Frame And Dashboard (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 18 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Floor Support (Tbg/Abe Spec.)(#10001-19999)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Front Frame (Tbg/Abe Spec.)(#10001-19999)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 10 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 10 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Front Frame (Tbg/Abe Spec.)(#20001-)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 10 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 10 |
| 01***25 | Bolt,(For Shipping) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Full Fender (Tbg/Abe Spec.)(#10001-19999)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Full Fender (Tbg/Abe Spec.)(#20001-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***06 | Screw | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Hydraulic Tank (Tbg/Abe Spec.)(#10001-10116)
| 01***40 | Bolt, Fuel Tank Mounting - Rear | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Hydraulic Tank (Tbg/Abe Spec.)(#10117-19999)
| 01***40 | Bolt, Fuel Tank Mounting - Rear | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Hydraulic Tank (Tbg/Abe Spec.)(#20001-)
| 01***40 | Bolt,(For Center Guard) | 8 |
| 01***08 | Screw, Terminal | 5 |
| 01***30 | Screw | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Hydraulic Tank Guard (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Instrument Panel (Tbg/Abe Spec.)(#10001-19999)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Instrument Panel (Tbg/Abe Spec.)(#20001-)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
| 01***08 | Screw - Clip Mounting | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Lift Arm (Tbg/Abe Spec.)(#10001-19999)
| 01***30 | Bolt,(For Rubber Shoe) | 8 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Lift Arm Stopper (Tbg/Abe Spec.)
| 42***20 | Pin | 1 |
| 42***10 | Stopper | 1 |
| 42***30 | Pipe | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Marks And Plates (Tbg/Abe Spec.)(#10001-19999)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Caution,Fuel | 1 |
| 09***00 | Plate? Safety,Air Reservoir Drain | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Marks And Plates (Tbg/Abe Spec.)(#20001-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Caution,Fuel | 1 |
| 09***00 | Plate? Safety,Air Reservoir Drain | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Mirror Stay (For Cab) (Tbg/Abe Spec.)(#20001-)
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 8 |
| 42***12 | Stay, R.H | 1 |
| 42***22 | Stay,L.H | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Noise Abatment Parts (1/2)(#10001-19999)
| 01***65 | Bolt, Mount Tube To Divider Valve | 6 |
| 01***08 | Nut,See Fig. K4010-04a0 | 6 |
| 04***00 | Plate,(Not Used When Ventilator) (Welded) | 20 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Noise Abatment Parts (1/2)(#20001-)
| 42***20 | Cover | 1 |
| 42***30 | Sheet | 1 |
| 42***10 | Sheet | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Noise Abatment Parts (2/2)(#10001-19999)
| 01***16 | Bolt - Starting Motor Ground Cable | 5 |
| 42***41 | Cover | 1 |
| 42***50 | Sheet | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Noise Abatment Parts (2/2)(#20001-)
| 42***40 | Sheet | 1 |
| 42***50 | Sheet | 1 |
| 42***60 | Cover,(Modified Parts) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Operator'S Seat (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Parking Brake Control (Tbg/Abe Spec.)(#10001-19999)
| 01***07 | Nut,L.H. Thread (D31s) | 1 |
| 01***13 | Nut,(See Fig.337) | 2 |
| 01***10 | Nut (K10) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Radiater Guard And Engine Hood (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Radiator Guard And Engine Hood (Tbg/Abe Spec.)(#20001-)
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 9 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Rear Frame (Tbg/Abe Spec.)(#10001-19999)
| 01***60 | Bolt, Hanger Bearing Mounting | 8 |
| 01***70 | Bolt - Thrust Plate Mounting | 8 |
| 01***25 | Bolt,Without Revolution Sensor | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Rear Frame (Tbg/Abe Spec.)(#20001-)
| 01***60 | Bolt, Hanger Bearing Mounting | 8 |
| 01***70 | Bolt - Thrust Plate Mounting | 8 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Rops Canopy (Tbg/Abe Spec.)(#10001-19999)
| 01***80 | Bolt, Mount Cab To Rear Frame | 12 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 12 |
| 02***19 | Bolt,Tether | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Security Valve
| 07***34 | O-Ring,(F2310-59a0 -4 ) | 2 |
| 42***00 | Valve Ass'Y,Security | 1 |
| 42***30 | Spring | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Slack Adjuster (Tbg/Abe Spec.)(#10001-19999)
| 07***08 | Plug (Kit) | 2 |
| 42***10 | Cylinder Assembly | 2 |
| 42***20 | Piston | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Spring Cylinder (Tbg/Abe Spec.)(#10001-19999)
| 42***10 | Cylinder | 1 |
| 42***30 | Spring | 1 |
| 42***40 | Support, Spring | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Steering Demand Valve (1/3) (Tbg/Abe Spec.)(#10001-19999)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Steering Demand Valve (2/3) (Tbg/Abe Spec.)(#10001-19999)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Steering Demand Valve (3/3) (Tbg/Abe Spec.)(#10001-19999)
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 70***61 | O-Ring,(Pc100ss) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Steering Linkage (Tbg/Abe Spec.)(#10001-19999)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 4 |
| 01***45 | Bolt | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Wheel Stopper (Tbg/Abe Spec.)(#10001-19999)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 6 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Wheel Stopper (Tbg/Abe Spec.)(#20001-)
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 6 |
| 04***10 | Pin,Cotter (Without Towing Winch), Cotter Pin; Was 04050-11610 | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Special Application Parts : Work Equipment Control Lever (Tbg/Abe Spec.)(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 8 |
| 01***25 | Bolt,(For Automatic) | 1 |
Steering And Control Systems
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Check Valve (With Emergency Steering)
| 01***12 | Bolt | 2 |
| 07***35 | O-Ring, At Lower Oil Cooler Inlet Port | 1 |
| 70***10 | Body | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Divider Valve (For Emergency Steering)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Screw | 2 |
| 01***70 | Screw | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Piping (1/3)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Piping (1/4)(#10001-19999)
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 4 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Piping (2/3)(#20001-)
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Piping (2/4)(#10001-19999)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***95 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Piping (3/3)(#20001-)
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 4 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Piping (3/4)(#10001-19999)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***00 | Bolt, Mount Back-Up Alarm | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Piping (4/4)(#10001-19999)
| 01***00 | Bolt, Mount Back-Up Alarm | 4 |
| 01***05 | Bolt, Mount Hose Clip | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Emergency Steering Pump
| 70***10 | Pump Assembly, Ground Driven Steering (Sam2-40) | 1 |
| 70***10 | Pump Assembly, Ground Driven Steering (Sam2-50) | 1 |
| (****0) | Ring,Back-Up | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Column(#20001-)
| 01***40 | Screw | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Cylinder(#10001-19999)
| 04***25 | Ring, Snap | 1 |
| 07***95 | O-Ring,(Y1620-11a0a-12) | 1 |
| 07***95 | Ring,Back-Up? Cylinder Head | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Cylinder(#20001-)
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
| 07***57 | Seal, Dust | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Demand Valve (1/3)(#10001-19999)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Demand Valve (2/3)(#10001-19999)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Demand Valve (3/3)(#10001-19999)
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 70***61 | O-Ring,(Pc100ss) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Demand Valve(#20001-)
| 42***10 | Plug | 1 |
| 42***20 | Shim | 0 |
| 42***30 | Poppet | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Gear(#10001-19999)
| 01***25 | Bolt | 8 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
| 01***13 | Nut, Regular Hexagon (M22-1.25) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Linkage(#10001-19999)
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Piping (1/4)(#20001-)
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 8 |
| 01***25 | Bolt - Valve To Bracket Mounting | 3 |
| 01***11 | Nut,(With Under Mirror) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Piping (2/4)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 01***11 | Nut,(With Under Mirror) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Piping (3/4)(#20001-)
| 01***40 | Screw | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Piping (4/4)(#20001-)
| 01***60 | Bolt, Mounting | 6 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Piping(#10001-19999)
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 4 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 2 |
| 01***95 | Bolt,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Valve(#20001-)
| 41***30 | Cap, End | 1 |
| 41***60 | Plate, Spacer | 1 |
| 41***70 | Drive | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Wheel And Transmission Control(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 3 |
| 01***10 | Bolt, Fan Mounting | 2 |
| 01***50 | Bolt | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Steering Wheel And Transmission Control(#20001-)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 3 |
| 01***10 | Bolt, Fan Mounting | 2 |
| 01***16 | Screw,(For Air Conditioner Less) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Stop Valve(#20001-)
| 42***00 | Valve Assembly, Stop | 2 |
| 42***30 | Poppet | 1 |
| 42***40 | Compression Spring | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Steering And Control Systems : Transmission Control Switch
| 01***10 | Screw, Mount Wire Assembly | 2 |
| 04***20 | Pin, Spring Retainer | 2 |
| 04***17 | Ball,Detent | 1 |
Torque Converter And Transmission
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Torqflow Oil Filter
| 07***23 | O-Ring,(F4350-68a0 -13 ) | 1 |
| 07***09 | Plug, Oil Drain | 1 |
| 42***00 | Oil Filter Ass'Y,(See Fig.2651) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Torqflow Piping (1/2)
| 01***45 | Bolt,(For Slag Handling) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Torqflow Piping (2/2)(#10001-19999)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Torqflow Piping (2/2)(#20001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Torqflow Transmission Pump
| 01***48 | Washer,Spring (For Slag Handling), Washer-Spring | 4 |
| 01***45 | Washer, Spring | 4 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Torque Converter
| 01***25 | Screw | 20 |
| 01***40 | Bolt | 24 |
| 01***30 | Bolt, Mount Pump | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Torque Converter Case
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 14 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transfer Case
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 7 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission (1st Clutch)
| 01***55 | Bolt, Mount Lh Bracket | 6 |
| 01***75 | Bolt - Mount 1st Clutch Housing | 9 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission (3rd And 2nd Clutch)
| 01***45 | Washer, Spring | 5 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 6 |
| 04***16 | Pin, Spring | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission (Forward And 4th Clutch)
| 01***45 | Washer, Spring | 5 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***18 | Ring, Retaining | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission (Oil Piping)
| 01***60 | Bolt,(For Japan And Sweden) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission (Output Shaft 1/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 11 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission (Output Shaft 2/2)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission (Reverse Clutch)
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***18 | Ring, Retaining | 1 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission Case
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***50 | Capscrew | 2 |
| 01***60 | Capscrew | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission Control Valve (1/3)(#(3821)-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 5 |
| 01***25 | Bolt,Without Revolution Sensor | 6 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission Control Valve (1/3)(#10001-(3820))
| 01***20 | Bolt,(With Auto Emergency Steering) | 10 |
| 01***25 | Bolt,Without Revolution Sensor | 6 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission Control Valve (2/3)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***35 | Bolt,(For Position Fixing) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Torque Converter And Transmission : Transmission Control Valve (3/3)
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
| 01***40 | Bolt | 5 |
| 01***10 | Screw, Mount Wire Assembly | 8 |
Work Equipment
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Bellcrank(#10001-19999)
| 01***30 | Bolt,(For Rubber Shoe) | 5 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Bellcrank(#20001-)
| 01***30 | Bolt,(For Rubber Shoe) | 5 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Bucket? 3.4m3
| 42***60 | Plate,L.H. (Welded) | 1 |
| 42***61 | Plate,L.H. (Europa Spec.) (Welded) | 1 |
| 42***70 | Plate,R.H. (Welded) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Bucket? 3.5m3
| 42***22 | Edge,(North America Spec.) (Welded) | 1 |
| 42***52 | Plate,L.H. (North America Spec.) (Welded) | 1 |
| 42***62 | Plate,R.H. (North America Spec.) (Welded) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Cutting Edge
| 01***60 | Washer,Single Flange (Trimming) | 16 |
| 02***85 | Bolt, Mount Cutting Edge | 16 |
| 02***22 | Nut, 7/8 In. Nc | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Cutting Edge (Segment Type)
| 01***60 | Washer (Kit) | 16 |
| 02***00 | Bolt, Side - Corner Teeth Mounting | 16 |
| 02***25 | Nut, 1 In. Nc | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Excavating Bucket? 3.1m3
| 42***22 | Edge,(North America Spec.) (Welded) | 1 |
| 42***41 | Plate,(North America Spec.) (Welded) | 2 |
| 42***60 | Plate,L.H. (Welded) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Lift Arm
| 01***30 | Bolt,(For Rubber Shoe) | 8 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Log Grapple(#20001-)
| 01***30 | Bolt,(Cold Terrain Spec.) | 32 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Rock Bucket? Spade Nose Edge? 3.1m3 (With Tooth)(#20001-)
| 09***16 | Pin,(Except Japan) | 10 |
| 42***20 | Edge, Blade Cutting | 1 |
| 42***40 | Plate,L.H. (Welded) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment : Tooth
| 01***60 | Washer,Single Flange (Trimming) | 2 |
| 02***22 | Nut, 7/8 In. Nc | 2 |
| 09***85 | Bolt | 25 |
Work Equipment Control System
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : 2-Spool Control Valve (1/2)(#10001-19999)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : 2-Spool Control Valve (1/2)(#20001-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : 2-Spool Control Valve (2/2)
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 07***16 | O-Ring | 1 |
| 07***16 | Ring, Back-Up | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : 3-Spool Control Valve (1/2)(#10001-19999)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : 3-Spool Control Valve (1/2)(#20001-)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***25 | Bolt,(Without Auto Priming System) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : 3-Spool Control Valve (2/2)
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 07***16 | O-Ring | 1 |
| 07***16 | Ring, Back-Up | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Attachment Control Lever(#10001-19999)
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
| 01***16 | Washer,(With Water Separator) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Attachment Control Lever(#20001-)
| 01***25 | Bolt - Relay Mounting | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
| 01***06 | Nut | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Attachment Control Linkage(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Boom Kick Out And Bucket Positioner(#10001-19999)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Boom Kick Out And Bucket Positioner(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Dump Cylinder(#10001-19999)
| 01***45 | Bolt,(Cold Terrain Spec.) | 6 |
| 01***85 | Bolt | 6 |
| 01***00 | Bolt (Op) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Dump Cylinder(#20001-)
| 01***45 | Bolt,(Cold Terrain Spec.) | 6 |
| 01***75 | Capscrew | 12 |
| 01***60 | Flat Washer - M20 (Hardened) | 12 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Attachment Piping 1/2)(#10001-19999)
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***11 | Nut,(With Under Mirror) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Attachment Piping 2/2)(#10001-19999)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 12 |
| 01***10 | Seat (Welded) | 4 |
| 01***11 | Nut,(With Under Mirror) | 20 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Attachment Piping)(#20001-)
| 01***35 | Bolt, Mount Bracket To Floor | 4 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 12 |
| 01***08 | Nut,See Fig. K4010-04a0 | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Control Valve To Tank)(#10001-19999)
| 01***85 | Bolt, Mount Tubes To Switch And Work Pumps | 3 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
| 01***32 | Washer, (Without Emergency Steering) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Cooling Line)(#10001-19999)
| 01***50 | Bolt,(With Service Valve R.H.) | 4 |
| 01***65 | Bolt,(Except Japan) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Cooling Line)(#20001-)
| 01***30 | Bolt,(For Mechanical Governor) | 16 |
| 01***35 | Bolt,(For Position Fixing) | 8 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Dump Cylinder Line)(#10001-19999)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Dump Cylinder Line)(#20001-)
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***80 | Bolt,(Not Shown) | 4 |
| 01***10 | Bolt,(Noise Suppression Spec.) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line)(#10001-19999)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 7 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***11 | Nut,(With Under Mirror) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line)(#20001-)
| 01***30 | Bolt, Mounting - Front Hand Rails | 4 |
| 01***10 | Nut, Plate Mounting | 4 |
| 01***11 | Nut,(With Under Mirror) | 16 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve)(#10001-19999)
| 01***90 | Bolt, Fan Mounting | 4 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve)(#20001-)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 1 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Valve To Tank 1/2)(#20001-)
| 01***85 | Bolt, Control Valve Mounting | 3 |
| 01***60 | Bolt, Mount | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Valve To Tank 2/2)(#20001-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Tank (Europe Spec.)(#10001-10104)
| 01***40 | Bolt, Fuel Tank Mounting - Rear | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Tank (Europe Spec.)(#10105-19999)
| 01***40 | Bolt, Fuel Tank Mounting - Rear | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Tank (North America Spec.)(#10001-10122)
| 01***40 | Bolt, Fuel Tank Mounting - Rear | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Tank (North America Spec.)(#10123-19999)
| 01***40 | Bolt, Fuel Tank Mounting - Rear | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Tank(#20001-)
| 01***40 | Bolt,(For Center Guard) | 8 |
| 01***40 | Bolt,(With Center Guard) | 8 |
| 01***08 | Screw, Terminal | 5 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Lift Cylinder
| 01***40 | Bolt,(Dust And Dirt Protection) | 6 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 6 |
| 01***90 | Screw | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Lift Cylinder Guard(#20001-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***07 | Boss, Fuel Tank | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Loader And Steering Pump (1/3)(#10001-19999)
| 01***48 | Washer,Spring (For Slag Handling), Washer-Spring | 4 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 4 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Loader And Steering Pump (1/4)(#20001-)
| 01***45 | Washer, Spring | 4 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 4 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Loader And Steering Pump (2/3)(#10001-19999)
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 4 |
| 01***48 | Washer,Spring (For Slag Handling), Washer-Spring | 4 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 6 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Loader And Steering Pump (2/4)(#20001-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 01***45 | Washer, Spring | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Loader And Steering Pump (3/3)(#10001-19999)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 4 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Loader And Steering Pump (3/4)(#20001-)
| 01***45 | Washer, Spring | 4 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 6 |
| 70***70 | Screw | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Loader And Steering Pump (4/4)(#20001-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Log Grapple Cylinder(#20001-)
| 01***50 | Bolt,(For Tbg/Abe Spec.) | 2 |
| 01***65 | Bolt | 4 |
| 01***48 | Washer,Spring (For Slag Handling), Washer-Spring | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Lever (With Mono Lever 1/2) (With Attachment)(#20001-)
| 01***10 | Bolt - Relay And Flasher Mounting | 4 |
| 01***12 | Bolt,(With Speedometer) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Lever (With Mono Lever 2/2) (With Attachment)(#20001-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Screw | 4 |
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Lever (With Mono Lever)(#20001-)
| 01***10 | Bolt - Relay And Flasher Mounting | 4 |
| 01***12 | Bolt,(With Speedometer) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Lever(#10001-19999)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 8 |
| 01***25 | Bolt,(For Automatic) | 1 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Lever(#20001-)
| 01***16 | Bolt, Mounting Transmission Control Switch | 8 |
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***25 | Bolt - Relay Mounting | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Linkage (With Mono Lever 1/2) (With Attachment)(#20001-)
| 01***16 | Bolt, Mounting Transmission Control Switch | 8 |
| 01***25 | Bolt - Relay Mounting | 2 |
| 01***70 | Screw | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Linkage (With Mono Lever 1/2)(#20001-)
| 01***16 | Bolt, Mounting Transmission Control Switch | 8 |
| 01***25 | Bolt - Relay Mounting | 2 |
| 01***70 | Screw | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Linkage (With Mono Lever 2/2) (With Attachment)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Linkage (With Mono Lever 2/2)(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
Komatsu : Wa420-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Linkage(#20001-)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
WA420-1(S/N 10001-UP) serial number reference
The PIN plate on this range sits on the loader frame, typically on the right-hand side near the front fender or below the operator's cab, with the number also stamped into the frame steel nearby as a backup on machines this age. On this base WA420-1 range the serial reads as a plain number (for example 10001) with no letter in front of it. If the plate shows a letter ahead of the digits (such as an A- prefix) or a different starting block of digits, it belongs to a different WA420 variant or generation, not this 10001-UP base range.
| Prefix | Identifies | Notes |
|---|---|---|
| 10001-UP (no letter prefix) | Standard/base WA420-1 production run | Base configuration wheel loader on the plain-numeric 10001-UP serial run; no alphabetic prefix, which sets it apart from the WA420-1LC line (starts at A25001-UP). Production window roughly 1987 to 1994. Komatsu built the earliest WA420-1 (S/N 10001-UP) loaders with a Cummins 6CTA8.3 turbocharged aftercooled diesel, then switched to its own SA6D110-1 (turbocharged aftercooled) / S6D110-1 (naturally aspirated) 110-series diesel for the remainder of this serial range. Confirm which engine is fitted to a specific unit from its engine tag before ordering engine parts. 4-speed power-shift transmission, articulated 4WD frame. Standard bucket around 3.4 cu m (4.4 cu yd). |
Frequently asked questions
What engine powers the Komatsu WA420-1 (S/N 10001-UP)?
Early production used a Cummins 6CTA8.3 turbocharged and aftercooled inline six-cylinder diesel, mechanically governed, rated at roughly 172 kW (234 PS) gross. Komatsu switched to its own SA6D110-1 (turbo aftercooled) / S6D110-1 (naturally aspirated) 110-series diesel for the remainder of this serial range. Check the engine tag on your unit to confirm which one it carries.
What is the operating weight of the Komatsu WA420-1?
About 18.6-19.6 t (41,000-43,200 lb), varying with tire size, bucket, and counterweight configuration.
What replaced the Komatsu WA420-1?
Komatsu skipped a numbered "-2" and moved to the WA420-3 (S/N 53001-UP), which uses a different, later engine family (SAA6D114E-1) and electronic engine and hydraulic controls; the -3 generation later split into several regional variants unrelated to the -1's Cummins driveline.
What WA420-1(S/N 10001-UP) owners discuss
What's the general consensus on this loader's transmission and hydraulic performance in the field?
Owners running this early WA420 generation describe the torque-converter powershift drivetrain as durable under steady loading, but heat and degraded oil are what wear it out early. Running the transmission low on fluid or stretching oil-and-filter intervals cooks the clutch packs and drivetrain bearings well ahead of normal service life. Slipping or delayed shifts on a tired unit are usually chased down to low or contaminated fluid, a worn lockup clutch, or a sticking control valve rather than an electronic control fault — this generation predates the more complex transmission electronics fitted to later Komatsu wheel loaders. On the hydraulic side, a whining or cavitating main pump under load and progressively softer lift or tilt response signal pump wear, while boom or bucket drift under a held load points to worn cylinder seals or a leaking control-valve spool rather than the pump itself. A stall-speed check plus a look at drained fluid for metal or friction debris is the standard first step before condemning a converter or pump.
What quirks come up with the engine on this loader?
Two different engines show up across this production run. Early units left the factory with a Cummins 8.3-liter turbocharged, direct-injection inline-six fed by a mechanical PT-style fuel pump; later units (the majority of this serial range) got Komatsu's own SA6D110-1 (turbo aftercooled) or S6D110-1 (naturally aspirated) 110-series diesel instead. Neither engine has an ECM or fault codes to read at the panel, which is a big part of this generation's reputation for toughness. On the Cummins-powered early units, the throttle shaft and its seal wear over time and can pull in a trace of air without ever leaking visible fuel, showing up as a rough or surging idle that's hard to trace; the AFC (air-fuel control) diaphragm also hardens and shrinks with age and heat, affecting smoke and power response, and hard starting when hot is most often traced to pump-to-engine timing drift rather than the pump itself. Because neither engine has self-diagnostics, troubleshooting relies on mechanical checks — timing, fuel pressure, and physical inspection of pump wear points — rather than pulling codes. Confirm which engine your unit carries from its engine tag before sourcing fuel-system parts.
What wear patterns are typical for this loader's chassis and linkage?
Being an articulated-frame loader, the center articulation joint and its pin-and-bushing set are the highest-wear items on the chassis. As that joint wears, the machine's steering geometry shifts slightly every time it articulates, and the first symptom operators notice is uneven or scrubbed tire wear rather than an obvious steering complaint. A loose or clunking feel through a turn, or visible up-and-down play at the center pivot, means the pin and bushing need inspecting before wear transfers into the housing bore itself. The loader's Z-bar linkage is generally regarded as lower-maintenance than older cross-brand linkage designs with more pivot points, but its own bucket and lift-arm pins and bushings still need regular grease and periodic play checks — knocking or visible movement at those pins under load is the tell that they're due for service. Have your dealer verify articulation and linkage pin wear against factory clearance specs before returning the machine to work.
What electrical issues come up with this generation of loader?
This is a pre-electronic-controls machine — it doesn't have the onboard diagnostic monitor or fault-code panel that Komatsu introduced on later, electronically controlled wheel loader transmissions, so there's no code reader to plug in. Electrical complaints on machines this age center on the charging circuit (alternator output and battery condition), a starter that drags or draws hard as wiring and connections age, and the analog gauge cluster with its sender units — coolant temperature, hydraulic temperature, and torque converter temperature senders are the usual suspects when a gauge reads wrong or drops out. Corroded or loose harness connectors from decades of vibration and moisture are a far more common root cause than a genuinely failed gauge or sender, so a continuity and connector check comes before replacing instrument parts.
What oil should go in the axles on this loader, and does it matter for the wet brakes?
Owners note the factory literature for this era isn't very specific about axle oil spec, which leads to debate over plain SAE 80 gear oil versus a TO-4-spec drivetrain oil around SAE 50. Since the axle housings also carry the wet, oil-cooled service brakes, the consensus is to run a proper TO-4-spec drivetrain oil rather than a straight GL-rated gear oil — friction modifiers formulated for gear sets aren't right for wet disc brakes, and the wrong oil in a wet-brake axle risks chatter, glazing, or reduced stopping performance over time. Have your dealer verify the correct fluid spec for your specific axle before a service fill, since wet-brake oil requirements differ from a simple differential.
Why do rear axle pinion seals leak on these loaders, and how should it be fixed?
A leaking rear pinion seal on an axle this age is usually a symptom, not the root cause. The most common driver is a worn universal joint at that end of the driveshaft — the vibration it introduces works the seal loose over time, so simply swapping the seal without addressing a worn U-joint tends to produce a repeat leak. The other common cause is a wear groove worn into the pinion shaft where the seal rides; if that groove is present, a new seal seated in the same spot will leak again unless the shaft surface is addressed or a repair sleeve is used. Because this seal sits in a wet-brake axle housing, a leak here isn't just housekeeping — it can drop the oil level feeding the service brakes. Have your dealer verify the U-joint and pinion shaft condition, and confirm brake oil level and function, before returning the machine to work.
What should I check before buying a used one of these loaders?
These loaders are now several decades old, so start with maintenance and hour records and sanity-check the indicated hours against overall condition and any rebuild history. On the engine, look for oil leaks, check exhaust smoke color and starting behavior, and confirm oil pressure builds properly at idle and under load. On the drivetrain, run a stall-speed check on the torque converter and cycle through gears feeling for slipping, delayed engagement, or harsh shifts. On hydraulics, cycle the loader linkage and steering through full travel checking for cylinder drift under a held load, pump noise, and slow or spongy response. Check the center articulation joint for play and look at tire wear for signs of that wear or an alignment issue. Inspect loader linkage pins and bushings for knocking or visible movement, and check axle housings for oil leaks, particularly at the pinion seals feeding the wet brake system. Have a dealer or qualified technician do a full pre-purchase inspection covering the brake and steering systems specifically before you commit to buying.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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