Komatsuwheel loadersmall ( - wa120 / sk*)
Komatsu WA40-3(S/N 10001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WA40-3 (S/N 10001-up) is a compact articulated wheel loader in Komatsu's WA20-2/WA30-5/WA40-3/WA50-3 mini-loader family, sized for tight-quarters yard, nursery, livestock, and light construction work rather than quarry-scale loading. It runs a Komatsu S3D84E-3B in-line 3-cylinder, water-cooled diesel rated around 27.2 kW (36.5 hp) at 2,500 rpm, mechanically governed with no electronic engine controls. Operating weight runs about 3,055 kg (6,110 lb) in open ROPS canopy trim and 3,205 kg (6,410 lb) with the enclosed ROPS/FOPS cab, and it carries a 0.5 m3 (0.65 yd3) general-purpose bucket as standard. This generation followed the earlier WA40-1 and WA40-2 mini loaders, was produced roughly from 1990 into the mid-1990s, and was offered with the open canopy or enclosed cab, a general-purpose bucket, an agricultural/livestock bucket, and pallet forks.
Within this generation Komatsu introduced the WA40-3E, an emissions- and fuel-economy-updated version with a revised engine calibration and a refreshed exterior, while the core chassis, drivetrain, and bucket class carried over unchanged. Komatsu also split the factory parts book for this WA40-3 chassis line partway through the run, so two machines wearing the same WA40-3 name a few years apart can call for different components. The WA40 mini-loader line continued afterward through the WA40-6 generation and into today's electronically controlled WA40-8, which added digital HST management this earlier generation's purely mechanical engine and controls never had. On the used and parts market now, WA40-3 units show up mainly as affordable, mechanically simple machines for small-acreage and yard work: no ECM, no fault codes, and a drivetrain a generalist shop can service without factory diagnostic tools. Because this model sold mostly outside the mainland US market, independent documentation and stocked dealer parts run thinner than for Komatsu's larger loaders, which makes matching parts and service specs to the machine's own serial number, not just the WA40-3 name, the deciding factor in keeping one running economically.
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 WA40-3(S/N 10001-UP) specifications
Engine
| Engine model | Komatsu S3D84E-3B diesel engine - in-line 3-cylinder, water-cooled, 4-stroke |
| Rated (flywheel) power | 27.2 kW (36.5 hp) at 2,500 rpm |
| Max. torque | 123 N·m (12.5 kgf·m / 90.7 lb-ft) at 1,600 rpm |
| Displacement | 1.496 L / 1,496 cc (91.3 cu in) - bore 84 mm x stroke 90 mm, 3 cylinders |
| Emissions tier | Not documented for this serial range. This generation predates current emissions-tier labeling; confirm with your dealer if compliance paperwork is needed. |
Weights
| Operating weight, canopy | 3,055 kg (6,110 lb), including a 55 kg (110 lb) operator |
| Operating weight, cab | 3,205 kg (6,410 lb), including a 55 kg (110 lb) operator |
| Shipping weight | Not published separately from operating weight for this serial range. |
| Ground pressure | Not published for this model. |
Dimensions
| Overall length | 4,265 mm (14 ft 0 in) |
| Overall width | 1,670 mm (5 ft 6 in), over tires |
| Overall height | 1,900 mm (6 ft 3 in), canopy version |
| Bucket width | 1,650 mm (5 ft 5 in) |
| Wheelbase / ground clearance / tread | Not documented in sources reviewed for this serial range. Verify with your dealer. |
Performance
| Bucket capacity, heaped | 0.5 m3 (0.65 yd3) |
| Breakout force | 7.8 kN (800 kgf / 1,764 lbf) |
| Max. rimpull (drawbar pull) | 31.9 kN (3,250 kgf / 7,165 lbf) |
| Travel speed | 15.0 km/h (9.3 mph), forward and reverse |
| Min. turning radius | 3,210-3,820 mm (10 ft 6 in - 12 ft 6 in), depending on whether it is measured at the outside of the chassis or the center of the outside tire |
| Gradeability | Not published for this model. |
Service capacities (summary)
| Fuel tank | 42 L (11.9 US gal, 9.2 UK gal) |
| Hydraulic system, refill | 28 L (7.4 US gal, 6.2 UK gal) |
| Engine oil, refill | 4.7 L (1.24 US gal, 1.03 UK gal) |
| Cooling system | 5.8 L (1.53 US gal, 1.28 UK gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
WA40-3(S/N 10001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 5.2 L specified system fill; 4.7 L service refill with filter change (1.37 US gal / 1.14 UK gal specified; 1.24 US gal / 1.03 UK gal refill) | Komatsu engine oil, API classification CD (CD/CE-rated equivalents from other brands are acceptable). Grade by ambient temperature: SAE 30 in warm climates, SAE 10W in sub-zero cold, SAE 10W-30 as the general all-season multigrade, SAE 15W-40 for milder cold-to-warm spans. Change interval drops to half or a quarter of normal on high-sulfur fuel. |
| Cooling system | 5.8 L (1.53 US gal, 1.28 UK gal) | Komatsu Super Coolant, an ethylene-glycol permanent-type antifreeze, mixed with water. Mix ratio scales with the coldest expected temperature (roughly 1.4 L antifreeze at -5 C up to 2.9 L antifreeze at -30 C, balance water). A one-season ethylene-glycol antifreeze or plain water with corrosion inhibitor is acceptable where permanent antifreeze is unavailable, but requires more frequent system cleaning. |
| Fuel tank | 42 L (11.9 US gal, 9.2 UK gal) | No. 2-grade diesel fuel (ASTM D975 No. 2). Switch to No. 1-grade diesel for cold-season operation. |
| Transmission / transfer case (HST drive case) | 1.4 L specified; 1.3 L refill (0.37 US gal / 0.31 UK gal specified; 0.34 US gal / 0.29 UK gal refill) | Same engine oil as the crankcase - SAE 10W-30 or SAE 10W, API CD. This is a hydrostatic-transmission (HST) machine, not a torque-converter powershift; the wet-disc service brake draws off the transmission/hydraulic circuit rather than its own separate reservoir. |
| Hydraulic system and tank | 38 L specified; 28 L refill (10.0 US gal / 8.4 UK gal specified; 7.4 US gal / 6.2 UK gal refill) | SAE 10W-30, API CD hydraulic oil across the full ambient range shown in the factory chart. This tank also supplies the HST drive circuit, so hydraulic and transmission oil are effectively one system. |
| Front axle/differential (final drive integrated in axle housing) | 4.8 L (1.27 US gal, 1.06 UK gal) | Komatsu AXO75 axle oil, or a named equivalent tractor hydraulic fluid (UTTO-type) - Shell Donax TT or TD, Caltex RPM Tractor Hydraulic Fluid, Chevron Tractor Hydraulic Fluid, Texaco TDH Oil, or Mobil Mobiland Super Universal. Class-CD SAE 30 engine oil is an accepted substitute for axle oil. |
| Rear axle/differential (final drive integrated in axle housing) | 4.5 L (1.19 US gal, 0.99 UK gal) | Same axle-oil spec as the front axle - Komatsu AXO75 or a named UTTO-type equivalent (see front axle row). |
| Grease points (work equipment pins, drive shafts, center hinge) | Spec only - no reservoir volume given | Lithium-base EP grease, NLGI No. 2 (Komatsu G2-LI or G2-LI-S). |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu WA40-3(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 WA40-3(S/N 10001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
On a mechanically governed S3D84E-3B with no ECM, fluid condition is your only early-warning system. Send hydraulic/HST oil, front and rear axle oil, and engine oil for lab analysis at each fluid-change interval; the HST circuit and hydraulic tank share one reservoir, so metal in a sample can point to the charge pump, travel motors, or lift/tilt cylinders rather than a filter fault alone. Watch coolant for oil traces (head gasket) and fuel dilution in engine oil (injector or pump wear) before symptoms show up in the cab.
Corrective & Common Repairs
Most field complaints on this loader trace to fundamentals, not the engine block: a clogged fuel/water separator or dirty injectors causing hard cold starts, a weak glow/preheat circuit, or corroded battery and harness connections at the articulation joint, the one point that flexes on every turn. Sluggish HST response or bucket drift after sitting usually means worn lift/tilt cylinder seals or a tired control-valve spool, not the pump. Confirm with a compression and fuel-delivery check before condemning the engine.
Overhaul & Rebuild Points
Center-articulation pins and bushings, plus the loader-arm and bucket pins, are the wear points that define this machine's rebuild economics; short, frequent loading cycles (yard and nursery work) wear them faster than long quarry-style cycles. At major overhaul, plan on HST pump/motor and charge-pump inspection alongside injector reconditioning and valve-clearance reset on the S3D84E-3B, since both systems age on the same mechanical clock. Rebuild front and rear axle/differential assemblies as matched pairs, not individually, to keep drive line wear even.
Seasonal & Environment Servicing
Switch to No. 1-grade diesel and a lighter engine oil (SAE 10W) before sustained sub-zero operation, and confirm the preheat/glow circuit cycles fully before cranking; a weak glow system is the top cold-start complaint on this engine family. Adjust the Komatsu Super Coolant mix ratio to the coldest expected temperature rather than a flat 50/50 split. In hot, dusty yard or ag environments, shorten air-cleaner and articulation-joint grease intervals, and rinse mud and manure from the center hinge before it traps moisture against seals.
WA40-3(S/N 10001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM129100-55650 | Element,Fuel Filter | Fuel system service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 363-18-31470 | Element,Hydraulic | Scheduled service item | Check fitment → |
| 08036-01414 | Clip,(For Add.Filter)(Except Japan) | Scheduled service item | Check fitment → |
| YM171058-12510 | Element | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WA40-3(S/N 10001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Charge lamp (battery symbol) | Alternator is not charging the battery. | Broken or slipping fan/alternator belt, loose or corroded wiring, or a failed alternator/regulator. | Stop and check belt tension and battery/wiring connections; test alternator output before continuing to run the engine. |
| Engine oil pressure lamp | Engine lubrication pressure has dropped below the safe minimum. | Low engine oil level, worn oil pump, clogged oil filter, or a failed pressure sender. | Shut the engine down immediately; check oil level and filter condition before restarting. |
| Coolant temperature gauge - red zone | Engine coolant temperature has climbed into the overheat range. | Low coolant level, clogged radiator fins, slipping fan belt, or a thermostat stuck closed. | Idle down, then stop; let the engine cool before checking coolant level and radiator/fan condition. |
| Hydraulic/HST oil temperature gauge - red zone | Hydraulic and HST drive circuit oil is overheating (this machine shares one tank for both systems). | Low oil level in the shared hydraulic/HST tank, a clogged oil cooler, or sustained high-load stall from digging against a full bucket or pile. | Reduce load and let the system cool at low idle; check oil level and cooler fins once it is safe to do so. |
| Air cleaner restriction indicator | Intake air filter element is clogged, restricting airflow to the engine. | Dust and debris buildup from dusty working conditions. | Clean or replace the air filter element and reset the indicator. |
| Fuel/water separator lamp | Water has collected in the fuel water separator. | Condensation in the fuel tank or contaminated fuel supply. | Drain the water separator and check the fuel source; replace the fuel filter if contamination is heavy. |
| Parking brake lamp | Parking brake is applied, or the brake circuit has a fault. | Brake left engaged before attempting to drive, or low brake system pressure. | Release the parking brake before moving the machine; if the lamp stays on with the brake released, check the brake circuit. |
| Preheat (glow) indicator lamp | Engine intake air heater is active for cold-start assist. | Normal cold-start cycle; if the lamp fails to light or the engine won't start after preheat, suspect a glow plug or relay failure. | Wait for the lamp to go out before cranking in cold weather; if it never lights, check the glow plug relay and glow plugs. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
WA40-3(S/N 10001-UP) attachments & work tools
General-purpose bucket
Standard bucket for this machine is rated around 0.5 m³, sized to the loader's roughly 1.65-1.7 m tread width, with a bolt-on replaceable cutting edge. This is the base configuration for dirt, aggregate, and general yard material in this compact wheel-loader class.
Agricultural/livestock bucket
A wider, longer-sided bucket variant is documented for this model for dairy/livestock farm work such as feed and bedding handling. It uses a longer bolt-on cutting edge than the general-purpose bucket and gives the operator a better sightline over bulky, low-density loads.
Pallet forks
Frame-mounted tine forks sized for this loader's roughly 3-tonne operating class are typical for mini wheel loaders in this size range, used for pallet and light material handling. Factory literature for this exact serial range was not found; confirm fork capacity and mounting with a dealer before ordering.
Snow bucket/blade
Komatsu markets dedicated snow-spec versions of its small WA-series wheel loaders for urban snow clearing, typically a larger-capacity snow bucket or a straight blade. Documentation located covers later WA-series generations rather than this exact vintage, so treat snow attachments as class-typical, not factory-confirmed for this serial range.
Attachment mounting/coupler
Buckets and forks mount on the loader's pin-type boom and bellcrank linkage with a bolt-on, field-replaceable cutting edge. No evidence found of a hydraulic quick-coupler on this machine; Komatsu's factory quick-hitch/quick-coupler line is documented for larger tool-carrier-class wheel loaders, not this compact model.
Hydraulic circuit for attachments
Loader hydraulics power the lift and bucket/dump cylinders only. No factory auxiliary hydraulic kit for powered attachments (sweepers, grapples) is documented for this model; treat any such tool as aftermarket and verify flow and pressure compatibility with a dealer.
Cab/guarding options
Offered with an open ROPS canopy or an enclosed ROPS/FOPS cab; a cab heater option is referenced on dealer listings for cold-weather or livestock-yard use. Exact factory option codes for this serial range were not confirmed; verify current configuration against the machine's dataplate.
All WA40-3(S/N 10001-UP) assemblies by section
Every catalogued assembly group for the Komatsu WA40-3(S/N 10001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessory And Tool
Komatsu : Wa40-3(S/N 10001-Up) : Accessory And Tool : Spare Parts
| 07***65 | O-Ring,Injection Pump Case | 1 |
| 36***70 | Element,Hydraulic | 1 |
| YM***50 | Cartridge,Engine | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Accessory And Tool : Tool
| 09***12 | Wrench? 10x12 | 1 |
| 09***17 | Wrench? 14x17,14x17 | 1 |
| 09***22 | Wrench? 19x22,19x22 | 1 |
Cooling System
Komatsu : Wa40-3(S/N 10001-Up) : Cooling System : Radiator And Piping (Livestock Raising Spec.)(#13530-)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
Komatsu : Wa40-3(S/N 10001-Up) : Cooling System : Radiator And Piping(#10001-12550)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Cooling System : Radiator And Piping(#12551-13529)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***25 | Bolt - Relay Mounting | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Cooling System : Radiator And Piping(#13530-)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
Electrical System
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Battery
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***07 | Nut,Lock | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Electrical System (Front Line)(#10001-12550)
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Electrical System (Front Line)(#12551-)
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Electrical System (Main Line)(#10001-13529)
| 01***20 | Screw | 2 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 8 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Electrical System (Main Line)(#13530-)
| 01***20 | Screw | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 11 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Electrical System (Rear Line)(#10001-12550)
| 01***35 | Screw, Mount Lens | 8 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Electrical System (Rear Line)(#12551-)
| 01***35 | Screw, Mount Lens | 8 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Instrument Panel(#10001-13419)
| 01***08 | Screw | 2 |
| 01***14 | Screw,(With Joy Stick Steering) | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Electrical System : Instrument Panel(#13420-)
| 01***08 | Screw | 2 |
| 01***14 | Screw,(With Joy Stick Steering) | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 2 |
Engine Related Parts
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Air Cleaner Connection
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 07***89 | Clamp,(D31s) | 1 |
| 07***09 | Clamp,(See Fig. K0210-16a0) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Air Cleaner Connection (With Seat Belt)
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Damper
| 01***40 | Bolt,Reamer | 6 |
| 04***12 | Pin,Spring (See Fig.0201) | 6 |
| 20***10 | Rubber | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Engine Mounting Parts
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 6 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Engine Related Parts(#10001-13529)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 07***23 | O-Ring,(F4350-61a1b-29 ) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Engine Related Parts(#13530-)
| 01***30 | Bolt,(Not Used When Towing Winch) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 07***23 | O-Ring,(F4350-61a1b-29 ) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Exhaust Connection(#10001-13529)
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Engine Related Parts : Exhaust Connection(#13530-)
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 1 |
Fuel Tank And Related Parts
Komatsu : Wa40-3(S/N 10001-Up) : Fuel Tank And Related Parts : Fuel Line(#15242-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Fuel Tank And Related Parts : Fuel Tank And Piping(#10001-15241)
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***12 | Screw,(Additional Sun Visor) | 5 |
| 01***95 | Bolt | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Fuel Tank And Related Parts : Fuel Tank(#15242-)
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***12 | Screw,(Additional Sun Visor) | 5 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 5 |
Guard
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Additional Counter Weight (With Fork)
| 01***55 | Capscrew | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Counter Weight
| 01***90 | Bolt | 2 |
| 01***90 | Bolt,(For 24.00-49) | 2 |
| 01***90 | Bolt | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood (Seat Belt)(#10001-16782)
| 01***20 | Screw | 4 |
| 01***10 | Screw (Op) | 3 |
| 01***20 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood (Seat Belt)(#16783-)
| 01***20 | Screw | 4 |
| 01***20 | Screw | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood (With Car Heater And Defrostor)(#10001-13529)
| 01***20 | Screw | 4 |
| 01***10 | Screw (Op) | 3 |
| 01***20 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood (With Car Heater And Defrostor)(#13530-)
| 01***20 | Screw | 4 |
| 01***10 | Screw (Op) | 3 |
| 01***20 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood Stay And Lock
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood Stay And Lock (Seat Belt)(#10001-16782)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood Stay And Lock (Seat Belt)(#16783-)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood(#10001-13529)
| 01***20 | Screw | 4 |
| 01***20 | Screw | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Engine Hood(#13530-)
| 01***20 | Screw | 4 |
| 01***20 | Screw | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Noise Abatement Parts (Seat Belt)(#10001-16782)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 36***51 | Sheet | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Noise Abatement Parts (Seat Belt)(#16783-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 36***51 | Sheet | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Guard : Noise Abatement Parts(#13530-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 36***51 | Sheet | 1 |
Hydraulic System
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Delivery Line)(#10001-12550)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***50 | Bolt (Kit) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Delivery Line)(#12551-14971)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Delivery Line)(#14972-)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 5 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Front Attachment Line)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***07 | Nut,(With Body Positioner) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Lift And Dump Cylinder Line) (With 0.5m3 And Snow Bucket)
| 01***40 | Bolt,(Shim 3-Piece) | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 07***18 | O-Ring, Divider Valve Mounting | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Lift And Dump Cylinder Line) (With Others Bucket? Fork And Front Attachment)
| 01***40 | Bolt,(Shim 3-Piece) | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 07***18 | O-Ring, Divider Valve Mounting | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Return Line)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 8 |
| 07***18 | O-Ring, Divider Valve Mounting | 1 |
| 07***34 | O-Ring,(For Front Attachment) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Piping (Steering Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Hydraulic System : Hydraulic Tank
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Main/Revolving Frame And Related Parts
Komatsu : Wa40-3(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Front Frame (With Front Attachment)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***55 | Bolt,(Not Used For Chip Dozer) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Front Frame(#10001-12550)
| 01***80 | Bolt | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Front Frame(#12551-)
| 01***80 | Bolt,(B) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Rear Frame(#10001-12550)
| 01***80 | Bolt | 4 |
| 01***50 | Bolt,(For Strengthened Cover) | 8 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Main/Revolving Frame And Related Parts : Rear Frame(#12551-)
| 01***80 | Bolt,(B) | 4 |
| 01***50 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Marks And Plates
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Cab) (English)(#10001-13531)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***80 | Plate? Mark,Komatsu? Front | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Cab) (English)(#13532-15690)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***50 | Plate? Mark,Komatsu | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Cab) (English)(#15691-16843)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Cab) (English)(#16844-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Canopy) (English)(#10001-13531)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***80 | Plate? Mark,Komatsu? Front | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Canopy) (English)(#13532-15690)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***50 | Plate? Mark,Komatsu | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Canopy) (English)(#15691-16843)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Marks And Plates : Marks And Plates (With Canopy) (English)(#16844-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Operator'S Compartment And Control System
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : (Seat Belt)(#10001-16782)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***45 | Bolt,(With Water Separator Type) | 1 |
| 01***14 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : (Seat Belt)(#16783-)
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***06 | Nut | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Accelerator Pedal And Linkage
| 01***16 | Bolt - Box Mounting | 3 |
| 01***25 | Screw | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Brake Pedal And Linkage (1/2)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 6 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
| 01***08 | Nut, Lock | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Brake Pedal And Linkage (2/2)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Cab Mounting Parts(#10001-12386)
| 01***40 | Bolt, Mount Master Brake Cylinder | 6 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Cab Mounting Parts(#12387-)
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***55 | Bolt, Mount Lh Bracket | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Canopy(#10001-12550)
| 01***55 | Bolt, Mount Lh Bracket | 6 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 8 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Canopy(#12551-)
| 01***55 | Bolt - Mount Cage To Transmission Case | 6 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 16 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Car Heater And Defroster (1/2) (Car Heater And Heater Piping)
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Car Heater And Defroster (2/2) (Air Hose And Wiring)(#10001-13529)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Car Heater And Defroster (2/2) (Air Hose And Wiring)(#13530-)
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Floor Frame (With Cab)
| 01***14 | Screw | 2 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Floor Frame (With Canopy)
| 01***14 | Screw | 2 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Floor Frame (Without Canopy And Cab)(#10001-13531)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Floor Frame (Without Canopy And Cab)(#13532-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***14 | Screw | 2 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Forward And Reverse Control Lever
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
| 36***60 | Shift Lever Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (1/7) (Cab And Front Window)(#10001-14188)
| 01***40 | Bolt | 1 |
| 01***30 | Screw | 2 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (1/8) (Cab And Front Window)(#14189-)
| 01***40 | Bolt - M6 X 40lg | 1 |
| 01***20 | Screw | 4 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (2/7) (Roof And Room Mirror)(#10001-14188)
| 01***12 | Screw,(Additional Sun Visor) | 6 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (2/8) (Roof And Room Mirror)(#14189-)
| 01***12 | Screw,(Additional Sun Visor) | 8 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 8 |
| 01***08 | Washer,(Not Used For Cold Weather) | 8 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (3/7) (Side Window)(#10001-14188)
| 01***16 | Screw | 8 |
| 01***12 | Screw | 16 |
| 01***16 | Screw | 7 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (3/8) (Side Window)(#14189-)
| 01***16 | Screw | 2 |
| 01***12 | Screw | 4 |
| 01***16 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (4/7) (L.H. And R.H. Door) (Push Button Type)(#10001-12386)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 6 |
| 01***16 | Screw | 1 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (4/7) (L.H. And R.H. Door) (Turn Handle Type)(#12387-14188)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 2 |
| 01***10 | Screw,R.H. Door | 2 |
| 01***30 | Screw | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (4/8) (L.H. And R.H. Door) (Turn Handle Type)(#14189-)
| 01***20 | Screw | 2 |
| 01***10 | Screw,R.H. Door | 2 |
| 01***25 | Screw | 16 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (5/7) (L.H. And R.H. Door Lock) (Turn Handle Type)(#12387-14188)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 6 |
| 01***16 | Screw,(With Ashtray) | 2 |
| 01***16 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (5/8) (L.H. And R.H. Door Lock) (Turn Handle Type)(#14189-)
| 01***20 | Screw | 6 |
| 01***16 | Screw,(With Ashtray) | 2 |
| 01***16 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (6/7) (Rear Door)(#10001-14188)
| 01***12 | Bolt | 4 |
| 01***10 | Screw,(For Lighter) | 8 |
| 01***10 | Screw,(For Wiper Switch Earth) | 7 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (6/8) (Rear Door)(#14189-)
| 01***16 | Screw | 4 |
| 01***10 | Screw,(For Lighter) | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 5 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (7/7) (Electrical System)(#10001-14188)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 2 |
| 01***08 | Screw - Holder | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (7/8) (Electrical System)(#14189-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 2 |
| 01***08 | Screw - Holder | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Cab (8/8) (Switch And Lamp)(#14189-)
| 01***12 | Screw | 2 |
| 08***08 | Grommet,(Without Beacon Lamp) | 5 |
| 09***08 | Cap,(For Ripper Or Rear Hydraulic. Take) | 8 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Operator'S Seat
| 01***06 | Nut | 4 |
| 36***00 | Seat Ass'Y | 1 |
| 36***01 | Seat Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Parking Brake Lever And Linkage (1/2)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Parking Brake Lever And Linkage (2/2)
| 01***25 | Bolt - Relay Mounting | 2 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 2 |
| 01***23 | Washer,(With Car Heater) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Steering Wheel And Column
| 01***45 | Bolt, Mounting Cranking Motor | 1 |
| 01***15 | Bolt | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Window Washer(#10001-13531)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 36***10 | Bracket | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Window Washer(#13532-)
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 36***60 | Bracket | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (1/2)
| 01***25 | Screw | 1 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (1/2) (With Front Attachment)(#10001-12250)
| 01***25 | Screw | 2 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (1/2) (With Front Attachment)(#12251-)
| 01***25 | Screw | 1 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (2/2)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 5 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (2/2) (With Front Attachment)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 3 |
S3d84-2ba Engine S/N 3826-Up
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Air Cleaner
| YM***00 | Baffle | 1 |
| YM***10 | Element | 1 |
| YM***60 | Pan,Dust | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Air Intake Manifold And Connection
| YM***01 | Heater,Intake Air | 1 |
| YM***00 | Manifold,Air Intake | 1 |
| YM***52 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Alternator (40a)
| YM***50 | Brush Ass'Y | 1 |
| YM***00 | Retainer,Bearing | 1 |
| YM***70 | Diode Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Alternator And Mounting (40a)
| YM***02 | Nut | 1 |
| YM***50 | Bolt | 1 |
| YM***30 | Plate,Adjust | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Camshaft And Tappet
| YM***80 | Camshaft Ass'Y | 1 |
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***80 | Parallel Pin | 1 |
| YM***00 | Crankshaft Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Cylinder Block
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Cylinder Head
| YM***30 | Valve,Exhaust | 3 |
| YM***80 | Retainer, Spring | 6 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Engine Stop Motor And Mounting
| YM***80 | Ring,Snap | 1 |
| YM***00 | Pin,Cotter | 1 |
| YM***90 | Washer | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Exhaust Manifold And Turbocharger
| YM***22 | Stud | 3 |
| YM***02 | Stud | 2 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Flywheel
| YM***00 | Gear,Ring | 1 |
| YM***02 | Screw | 6 |
| YM***80 | Parallel Pin | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Front Cover
| YM***02 | Bolt Plated | 2 |
| YM***10 | Washer,Seal | 4 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Fuel Filter And Piping
| YM***70 | Union | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***51 | Check Valve Ass'Y,Joint | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Governor) (1/2)
| YM***00 | Spring, Regulator | 1 |
| YM***02 | Lever Ass'Y,Stop | 1 |
| YM***10 | Pin,Stop Lever | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Governor) (2/2)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***90 | Shaft,Governor Lever | 1 |
| YM***50 | Angleich Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Pump) (1/2)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Pump) (2/2)
| YM***70 | Retainer, Spring | 3 |
| YM***02 | Screw | 2 |
| YM***00 | Valve,Delivery | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***30 | Bolt | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Fuel Nozzle And Spill Hose
| YM***20 | Spring | 1 |
| YM***00 | Fuel Injection Nozzle, Assembly | 1 |
| YM***00 | Fuel Nozzle Ass'Y | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Gasket Kit
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***01 | Gasket (Kit) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Lubricating Oil Cooler
| YM***01 | Oil Cooler Ass'Y | 1 |
| YM***00 | Clamp | 4 |
| YM***60 | Gasket | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***50 | Cartridge,Engine | 1 |
| YM***00 | Valve | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Lubricating Oil Pump
| YM***41 | Gasket (Kit) | 1 |
| YM***20 | Gasket,Lubricating Oil Pump | 1 |
| YM***52 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Muffler And Mounting
| YM***22 | Screw | 2 |
| YM***22 | Stud | 8 |
| YM***01 | Gasket (Kit) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Oil Pan
| YM***70 | Oil Pan Ass'Y | 1 |
| YM***40 | Plug | 1 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Piston And Connecting Rod
| YM***20 | Piston Ass'Y | 3 |
| YM***00 | Screw | 2 |
| YM***00 | Crank Pin Metal A. (Std) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Rocker Arm
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
| YM***50 | Rocker Arm Ass'Y | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Starting Motor (2kw)
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***20 | Housing,Center | 1 |
| YM***40 | Field Coil Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Starting Motor And Mounting (2kw)
| YM***52 | Bolt Plated | 2 |
| (Y***0) | Starting Motor Ass'Y,(2kw)(See Fig.0661) | 1 |
| (Y***1) | Starting Motor Ass'Y,(See Fig.A6210-B0a1) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Timer? Relay And Cable
| YM***00 | Relay, Safety | 1 |
| YM***40 | Cable,Engine Side | 1 |
| YM***60 | Cable,Engine Side | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Turbocharger
| YM***20 | Shield,Heat | 1 |
| YM***80 | Housing Ass'Y,Blower | 1 |
| YM***25 | Housing Ass'Y,Turbine | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Turbocharger Lubricating Oil Piping
| YM***01 | Pipe,Outlet | 1 |
| YM***10 | Washer,Seal | 2 |
| YM***60 | O-Ring (Kit) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Water Pump And Cooling Fan
| YM***02 | Bolt Plated | 2 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***02 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84-2ba Engine S/N 3826-Up : Water Separator
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
S3d84e-3b Engine S/N 00101-Up
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Air Cleaner (Forwerded Individually Parts)
| YM***00 | Baffle | 1 |
| YM***10 | Element | 1 |
| YM***60 | Pan,Dust | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Air Intake Manifold
| YM***01 | Heater,Intake Air | 1 |
| YM***00 | Manifold,Air Intake | 1 |
| YM***52 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Alternator (40a) (Inner Parts)(#00101-020304)
| YM***50 | Brush Ass'Y | 1 |
| YM***00 | Retainer,Bearing | 1 |
| YM***70 | Diode Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Alternator (40a) (Inner Parts)(#020305-)
| YM***20 | Rear Bracket Ass'Y | 1 |
| YM***30 | Front Bracket Ass'Y | 1 |
| YM***00 | Rotor Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Alternator And Mounting (40a)
| YM***02 | Nut | 1 |
| YM***50 | Bolt | 1 |
| YM***30 | Plate,Adjust | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Camshaft And Tappet
| YM***80 | Camshaft Ass'Y | 1 |
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***80 | Parallel Pin | 1 |
| YM***10 | Spring Pin | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Cylinder Block
| YM***20 | Screw | 8 |
| YM***00 | Plug | 2 |
| YM***60 | Cylinder Block Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Cylinder Block Accsessory
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***00 | Gauge,Oil Level | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Cylinder Head
| YM***30 | Valve,Exhaust | 3 |
| YM***31 | Gasket,Head (Kit) | 1 |
| YM***80 | Retainer, Spring | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***70 | Splash-Guard | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Drive Gear
| YM***02 | Nut | 1 |
| YM***01 | Idler Gear Ass'Y,Idler | 1 |
| YM***00 | Gear,Injection Pump | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Drive Gear (Epa Spec.)(#24817-)
| YM***02 | Nut | 1 |
| YM***01 | Idler Gear Ass'Y,Idler | 1 |
| YM***52 | Screw | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Electrical Parts(#03081-)
| YM***20 | Timer,Solenoid | 1 |
| YM***10 | Relay,Stop Solenoid | 1 |
| YM***00 | Relay, Safety | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Exhaust Manifold
| YM***10 | Manifold,Exhaust | 1 |
| YM***02 | Stud | 2 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Flywheel And Flywheel Housing
| YM***00 | Gear,Ring | 1 |
| YM***02 | Screw | 6 |
| YM***80 | Parallel Pin | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Front Cover
| YM***02 | Bolt Plated | 2 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Front Hanger
| YM***00 | Hook,Front | 1 |
| YM***42 | Screw | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Filter (Inner Parts)(#020305-)
| YM***10 | Cup, Strainer | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***70 | Lever | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Filter (Inner Parts)(#03081-020304)
| YM***00 | O-Ring (Kit) | 1 |
| YM***70 | Lever | 1 |
| YM***80 | Cup, Strainer | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Filter And Piping(#03081-)
| YM***70 | Union | 1 |
| YM***51 | Check Valve Ass'Y,Joint | 1 |
| YM***90 | Spacer | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts) (Epa Spec.)(#24817-)
| YM***40 | Lever,Control | 1 |
| YM***30 | Spacer,Lever Shaft | 1 |
| YM***02 | Nut | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#03081-)
| YM***40 | Lever,Control | 1 |
| YM***30 | Spacer,Lever Shaft | 1 |
| YM***02 | Nut | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts) (Epa Spec.)(#24817-)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***00 | Washer,Spring | 1 |
| YM***40 | Link? L=30.5,L=30.5 (Mark 05) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#03081-)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***00 | Washer,Spring | 1 |
| YM***40 | Link? L=30.5,L=30.5 (Mark 05) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts) (Epa Spec.)(#24817-)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#03081-)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts) (Epa Spec.)(#24817-)
| YM***70 | Retainer, Spring | 3 |
| YM***02 | Screw | 2 |
| YM***00 | Valve,Delivery | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#03081-)
| YM***70 | Retainer, Spring | 3 |
| YM***02 | Screw | 2 |
| YM***00 | Valve,Delivery | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump And Piping (Epa Spec.)(#24817-)
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***22 | Pipe,Injection? No.2 | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump And Piping(#03081-)
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***22 | Pipe,Injection? No.2 | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Fuel Nozzle And Spill Hose
| YM***20 | Spring | 1 |
| YM***00 | Fuel Nozzle Ass'Y | 3 |
| YM***00 | Fuel Injection Nozzle, Assembly | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Gasket Kit
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***31 | Gasket,Head (Kit) | 1 |
| YM***20 | Gasket,Water Pump | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Lubricating Oil Cooler(#03081-)
| YM***00 | Clamp | 4 |
| YM***60 | Gasket | 1 |
| YM***40 | Pin,Spring | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Lubricating Oil Pump
| YM***00 | Oil Pump Ass'Y | 1 |
| YM***41 | Gasket (Kit) | 1 |
| YM***20 | Gasket,Lubricating Oil Pump | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Muffler And Mounting
| YM***02 | Screw | 4 |
| YM***10 | Cover | 1 |
| YM***31 | Muffler | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Oil Filter
| YM***50 | Nut | 1 |
| YM***00 | Valve | 1 |
| YM***02 | Plug | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Oil Pan
| YM***70 | Oil Pan Ass'Y | 1 |
| YM***40 | Plug | 1 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Piston And Connecting Rod
| YM***00 | Screw | 2 |
| YM***00 | Crank Pin Metal A. (Std) | 1 |
| YM***00 | Piston Ass'Y | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Rear Hanger
| YM***00 | Hook,Front | 1 |
| YM***42 | Screw | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Rocker Arm
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
| YM***50 | Rocker Arm Ass'Y | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Starting Motor (Inner Parts)(#00101-020304)
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***20 | Housing,Center | 1 |
| YM***40 | Field Coil Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Starting Motor (Inner Parts)(#020305-)
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***20 | Housing,Center | 1 |
| YM***90 | Spring,Brush | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Starting Motor And Mounting
| YM***52 | Bolt Plated | 2 |
| (Y***1) | Starting Motor Ass'Y,(See Fig.A6210-B0a1) | 1 |
| (Y***2) | Starting Motor Ass'Y,(See Fig.A6210-B0a1a) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Surge Tank
| YM***60 | Hose | 1 |
| YM***00 | Tank,Surge | 1 |
| YM***62 | Bolt,(For Shipping) | 11 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Turbocharger (Inner Parts)
| YM***20 | Shield,Heat | 1 |
| YM***80 | Housing Ass'Y,Blower | 1 |
| YM***25 | Housing Ass'Y,Turbine | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Turbocharger And Oil Piping
| YM***01 | Pipe,Outlet | 1 |
| YM***22 | Stud | 3 |
| YM***60 | O-Ring (Kit) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Water Pump And Cooling Fan (Epa Spec.)(#24817-)
| YM***02 | Bolt Plated | 2 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***02 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Water Pump And Cooling Fan(#03081-)
| YM***02 | Bolt Plated | 2 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***02 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : S3d84e-3b Engine S/N 00101-Up : Water Separator (Inner Parts)(#03081-)
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
Service Kit And Component Parts
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 2-Spool Control Valve (1/2) (With Pressure Pick-Up Line)
| 36***20 | Spool Section Ass'Y | 1 |
| 36***50 | Valve Ass'Y | 1 |
| 42***60 | Inlet Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 2-Spool Control Valve (1/2)(#10001-12550)
| 36***10 | Valve Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
| 42***60 | Inlet Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 2-Spool Control Valve (1/2)(#12551-)
| 36***70 | Plate | 1 |
| 36***10 | Valve Ass'Y | 1 |
| 36***11 | Valve Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 2-Spool Control Valve (2/2)
| 36***70 | Plate | 1 |
| 36***50 | Spool Section Ass'Y | 1 |
| 36***30 | Stud,Tie | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 2-Spool Control Valve (2/2) (With Pressure Pick-Up Line)
| 36***50 | Spool Section Ass'Y | 1 |
| 36***30 | Stud,Tie | 2 |
| 36***40 | Stud,Tie | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (1/2) (With Pressure Pick-Up Line)
| 36***20 | Spool Section Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
| 36***60 | Valve Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (1/2)(#10001-12550)
| 36***20 | Spool Section Ass'Y | 1 |
| 36***10 | Valve Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (1/2)(#12551-)
| 36***70 | Plate | 2 |
| 36***20 | Spool Section Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (2/2) (With Pressure Pick-Up Line)
| 07***18 | O-Ring, Divider Valve Mounting | 2 |
| 36***50 | Spool Section Ass'Y | 1 |
| 36***40 | Rod,Tie | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : 3-Spool Control Valve (2/2)
| 07***18 | O-Ring, Divider Valve Mounting | 2 |
| 36***70 | Plate | 1 |
| 36***50 | Spool Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Clam Cylinder (Inner Parts) (With Multipurpose Bucket)
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 1 |
| 07***04 | Bushing | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Dump Cylinder (Inner Parts)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Hydraulic Pump (Except Japan)(#10001-13529)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 70***00 | Pump Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Hydraulic Pump (Except Japan)(#13530-14971)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 70***70 | Pump Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Lift Cylinder (Inner Parts)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***24 | Nut,Bearing | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Gear Pump Inner Parts)(#10001-12550)
| 02***37 | O-Ring | 1 |
| UC***09 | Bushing | 1 |
| UC***53 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Gear Pump Inner Parts)(#12551-14971)
| 02***37 | O-Ring | 1 |
| UC***09 | Bushing | 1 |
| UC***75 | Pump Ass'Y,Gear | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Gear Pump Inner Parts)(#14972-)
| 02***53 | O-Ring | 1 |
| UC***21 | Gear | 1 |
| UC***-0 | Pump Ass'Y,Gear | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Inner Parts)(#10001-10658)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Inner Parts)(#10659-10990)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Inner Parts)(#10991-11854)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Inner Parts)(#11855-12550)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Inner Parts)(#12551-14971)
| 01***25 | Screw | 2 |
| 02***88 | O-Ring | 1 |
| 36***00 | Pump Ass'Y,(A4vg28da-965-0) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Inner Parts)(#14972-)
| 01***25 | Screw | 2 |
| 36***02 | Pump Ass'Y,(A4vg28da-931-0) | 1 |
| UC***96 | Orifice | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Control And Cut-Off Valve)(#10001-12550)
| 01***12 | Bolt | 4 |
| 01***25 | Bolt | 2 |
| 02***15 | O-Ring | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Control And Cut-Off Valve)(#12551-)
| 02***15 | O-Ring | 2 |
| UC***07 | Bolt | 4 |
| UC***59 | Bolt | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Cover And Relief Valve)(#10001-10990)
| 02***09 | O-Ring | 2 |
| 02***75 | O-Ring | 1 |
| 41***60 | O-Ring,See Fig. K4010-05a0 | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Cover And Relief Valve)(#10991-12550)
| 02***09 | O-Ring | 2 |
| 02***75 | O-Ring | 1 |
| 41***20 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Cover And Relief Valve)(#12551-)
| 01***60 | Bolt | 4 |
| 02***09 | O-Ring | 2 |
| 02***88 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Leaning Cylinder)(#10001-10877)
| 01***12 | Bolt | 8 |
| 02***42 | O-Ring | 2 |
| UC***95 | Nut | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Leaning Cylinder)(#10878-12550)
| 01***12 | Bolt | 8 |
| 02***42 | O-Ring | 2 |
| UC***95 | Nut | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Leaning Cylinder)(#12551-)
| 01***20 | Bolt (Itl) | 8 |
| 02***09 | O-Ring | 1 |
| 02***51 | O-Ring (Kit) | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Rotary Group)(#10001-12550)
| 02***23 | O-Ring | 1 |
| 04***20 | Ring, Snap | 1 |
| UC***05 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Rotary Group)(#12551-14971)
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| UC***67 | Case Ass'Y,Seal | 1 |
| UC***09 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Rotary Group)(#14972-)
| 04***12 | Ring, Snap (4) | 1 |
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| UC***98 | Plate,Control | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts)(#10001-10990)
| 01***70 | Bolt | 4 |
| 02***75 | O-Ring | 1 |
| 07***11 | O-Ring,(Tm8202-009) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts)(#10991-12550)
| 01***70 | Bolt | 4 |
| 02***75 | O-Ring | 1 |
| 07***11 | O-Ring,(Tm8202-009) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts)(#12551-)
| 01***12 | Bolt | 11 |
| 02***09 | O-Ring | 2 |
| 41***80 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Priority Valve
| 36***00 | Valve Ass'Y,Priority | 1 |
| 42***70 | Ball | 1 |
| 42***80 | Guide | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Rubber Antenna(#14189-)
| 19***10 | Rubber Antenna,(See Fig. Y1062-01a0) | 1 |
| 36***61 | Rubber Antenna | 1 |
| EP***03 | Spring Washer | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Service Kit
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 2 |
| 07***70 | O-Ring,(For Intake Air Cover) | 2 |
| 07***48 | O-Ring,(F4350-64a0 -21 ) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Steering Cylinder (Inner Parts)
| 01***16 | Nut,(Balancer) | 1 |
| 01***09 | Nut,(With Body Positioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Steering Valve
| 36***00 | Steering Valve Ass'Y | 1 |
| 36***20 | Control Ass'Y | 1 |
| 36***30 | Spring | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Travel Motor (Inner Parts) (Control Group)
| 01***35 | Bolt,Snap | 8 |
| 01***45 | Bolt | 4 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Travel Motor (Inner Parts)(#10001-10643)
| 04***30 | Ring, Snap, Snap-Ring | 1 |
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
| 36***00 | Motor Ass'Y,(A6v59da-998-0) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Service Kit And Component Parts : Travel Motor (Inner Parts)(#10644-)
| 04***30 | Ring, Snap, Snap-Ring | 1 |
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
| 36***01 | Motor Ass'Y,(A6v59da-998-1) | 1 |
Suspension And Wheel Related Parts
Komatsu : Wa40-3(S/N 10001-Up) : Suspension And Wheel Related Parts : Wheel And Tubeless Tire
| 09***20 | Cap, Tire Valve | 4 |
| 36***40 | Cap | 1 |
| 36***40 | Tire,(Tubeless) | 4 |
Torque Converter And Transmission
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Front Axle (Differential)
| 01***70 | Bolt, Spacer | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 7 |
| 01***20 | Screw | 14 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Front Axle (Final Drive? L.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Front Axle (Final Drive? R.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Front Axle And Wheel Munting Parts
| 01***40 | Bolt | 12 |
| 01***60 | Flat Washer - M20 (Hardened) | 12 |
| (3***0) | Front Axle Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Front Drive Shaft
| 36***00 | Drive Shaft Ass'Y,Front | 1 |
| 36***50 | Shaft | 1 |
| 41***20 | Spider Ass'Y | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Hst Control Line)(#10001-12550)
| 01***40 | Bolt,Reamer | 4 |
| 01***35 | Bolt | 2 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Hst Control Line)(#12551-)
| 01***35 | Bolt | 2 |
| 01***40 | Bolt,Reamer | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Main Line)(#10001-12550)
| 01***32 | Washer, (Without Emergency Steering) | 24 |
| 02***32 | Bolt,(With Joy Stick Steering) | 8 |
| 02***38 | Bolt,Radio Controlled Slag Handling | 16 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Main Line)(#12551-)
| 01***32 | Washer, (Without Emergency Steering) | 24 |
| 02***32 | Bolt,(With Joy Stick Steering) | 4 |
| 02***38 | Bolt,Radio Controlled Slag Handling | 16 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Oil Cooler Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 04***10 | Clip | 6 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Pump And Motor Drain Line)(#10001-12550)
| 04***10 | Ring, Retaining | 1 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Pump And Motor Drain Line)(#12551-)
| 04***10 | Ring, Retaining | 1 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Suction And Charge Line)(#10001-12550)
| 01***30 | Bolt,(For Mechanical Governor) | 12 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***00 | Bolt, Mount Back-Up Alarm | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Suction And Charge Line)(#12551-14971)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***30 | Bolt - M8 X 30lg | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Hst Piping (Suction And Charge Line)(#14972-)
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***00 | Bolt,(For Front Brake Release) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Rear Axle (Differential)
| 01***70 | Bolt, Spacer | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 7 |
| 01***20 | Screw | 14 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Rear Axle (Final Drive R.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Rear Axle (Final Drive? L.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Rear Axle And Wheel Munting Parts
| 01***40 | Bolt | 12 |
| 01***60 | Flat Washer - M20 (Hardened) | 12 |
| (3***0) | Rear Axle Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Rear Drive Shaft
| 36***00 | Drive Shaft Ass'Y,Rear | 1 |
| 36***50 | Yoke | 1 |
| 41***20 | Spider Ass'Y | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Transfer (1/2)(#10001-12550)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 8 |
| 01***16 | Bolt | 1 |
| 04***20 | Pin,Dowel (Welded) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Transfer (1/2)(#12551-)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 8 |
| 01***16 | Bolt | 1 |
| 04***20 | Pin,Dowel (Welded) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Transfer (2/2)
| 01***12 | Bolt - M8 - 1.25 X 12 | 2 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***75 | Bolt - Tube Mounting | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Torque Converter And Transmission : Transfer Mounting Parts
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 1 |
| 01***05 | Capscrew | 5 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Work Equipment
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Bucket Positioner(#10001-12550)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Bucket Positioner(#12551-)
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Bucket Tooth
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 14 |
| 02***15 | Nut (Op) | 14 |
| 10***11 | Tooth (Op) | 7 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Bucket? 0.5m3
| 36***10 | Bucket | 1 |
| 36***20 | Edge (Welded) | 1 |
| 36***30 | Edge (Welded) | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Cutting Edge (For 0.5m3? 0.6m3? 1.0m3 Bucket)
| 01***45 | Washer,(For Travel Motor) (Not Show) | 7 |
| 02***50 | Bolt | 7 |
| 02***15 | Nut (Op) | 7 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Dumping Fork
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 36***10 | Fork,Dumping | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Lift Arm And Bellcrank
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 7 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 11 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Lumber Fork(#10001-12550)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 04***20 | Spring Pin | 2 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Lumber Fork(#12551-)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 04***20 | Spring Pin | 1 |
Komatsu : Wa40-3(S/N 10001-Up) : Work Equipment : Multi Coupler
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***10 | Nut,(Without Air Conditioner) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
WA40-3(S/N 10001-UP) serial number reference
The PIN/serial plate sits on the front frame on the right side of the machine, as is standard Komatsu practice, with the number also stamped into the frame steel nearby as a backup. Read it straight as a plain number (for example 13530) with no letter ahead of the digits. The engine has its own separate serial plate/stamp on the block, distinct from the chassis PIN. Confirm exact plate position and engine tag location with your dealer for a specific unit.
| Prefix | Identifies | Notes |
|---|---|---|
| 10001-UP (no letter prefix) | Base/general WA40-3 production run | Serial is a plain digit sequence with no alphabetic code ahead of it. Machine is a compact articulated wheel loader with a hydrostatic (HST) drivetrain and a bucket around 0.5 cubic meters. Powered by a Komatsu-badged S3D84E-3B diesel (shared block sold under Yanmar's own 3TNE84 code), rated in the high-20s to high-30s hp range (roughly 20-28 kW) depending on source and duty rating. Factory parts-book documentation for this chassis line splits further into narrower serial blocks partway through the run for parts-ordering purposes; those narrower blocks are documented separately. Confirm the exact serial and any config break for a specific unit with your dealer. |
Frequently asked questions
What engine does the Komatsu WA40-3 (S/N 10001-up) use?
This WA40-3 serial range uses the Komatsu S3D84E-3B, an in-line 3-cylinder, water-cooled diesel displacing 1.496 L (91.3 cu in), rated at about 27.2 kW (36.5 hp) at 2,500 rpm. It runs a mechanical inline injection pump with no electronic engine controls, so there is no ECM and no fault codes to read on this generation.
What is the operating weight of the WA40-3 (S/N 10001-up)?
Operating weight runs about 3,055 kg (6,110 lb) with the open ROPS canopy and about 3,205 kg (6,410 lb) with the enclosed cab, both figures including a 55 kg (110 lb) operator. Exact weight varies slightly by tire and attachment configuration.
What replaced the Komatsu WA40-3?
Within the same generation, Komatsu updated the WA40-3 with the emissions- and economy-revised WA40-3E variant in the mid-1990s. The WA40 mini-loader line itself continued afterward through later WA40-6 production and into today's electronically controlled WA40-8 generation, which adds digital HST management this earlier generation's mechanical drivetrain never had.
What WA40-3(S/N 10001-UP) owners discuss
What's the drivetrain like on the WA40-3, and how does it behave day to day?
This machine runs a hydrostatic (HST) drivetrain, not a torque-converter transmission - a single-pedal design shared across this WA30/40/50 mini-loader family, with the HST circuit and loader hydraulics drawing from one shared tank. Owners and shop techs report sluggish or delayed response when the machine is cold or running on low, dirty hydraulic oil; it usually clears once the oil warms up. Persistent sluggishness or drift after warm-up points to a worn charge pump or travel motor rather than the drive concept itself. Have your dealer verify HST charge pressure before authorizing a rebuild.
What engine quirks come up with the S3D84 in this size loader?
The WA40-3 in this serial range uses the Komatsu S3D84, a naturally aspirated 3-cylinder diesel in the roughly 26-28 kW (35-38 hp) class, figures vary by source and rated method. It runs a mechanical inline injection pump with no electronic engine controls, so there are no fault codes to chase. Recurring complaints mirror other Komatsu mini-loader engines of this era: hard cold starts from a weak preheat/glow circuit or worn injectors, rough idle or smoke from injection timing drift, and power loss that traces back to a clogged fuel filter or water in the tank far more often than a bad engine. Diagnosis is a compression check, a fuel delivery check, and an injector pop-test, not a laptop.
What wears out first on the loader linkage and articulation joint?
This loader rides on tires and an articulated frame, so the parts owners flag for wear are the center articulation pins/bushings and the loader-arm and bucket pins. Machines worked in short, frequent loading cycles (yard, nursery, municipal work) wear these faster than machines that saw long quarry-style cycles. Watch for a knock on direction change, visible play when the bucket is racked out, or the frame feeling loose through a turn. Keeping to the manual's grease interval is what separates a tight machine from a sloppy one at this age.
Any recurring electrical issues on this model?
This generation predates complex machine-monitoring electronics, so most electrical complaints trace back to fundamentals: corroded battery terminals, a tired starter or glow relay, or harness wiring chafed at the articulation joint, since that's the one spot that flexes constantly and eventually breaks or grounds a wire. A flaky gauge cluster or hard starting is almost always a battery, connection, or alternator problem before it's a wiring fault. Have your dealer or an auto-electrician load-test the charging system if the symptom doesn't clear after cleaning and re-terminating connections.
Loader arm response feels slow, or the bucket drifts down overnight, what's typical?
Slow lift or tilt response, or cylinder drift after the machine sits, usually points to seal wear in the lift/tilt cylinders or a worn control-valve spool rather than the hydraulic pump. Check hydraulic oil condition and the filter first: contaminated oil accelerates wear on both the valve and cylinder seals well before the pump itself shows symptoms. If you plan to pull a cylinder or crack a hydraulic line, relieve system pressure first and have your dealer verify the correct procedure for this machine.
What should I check before buying a used WA40-3 in this serial range?
Match the serial number on the data plate to the machine before ordering any parts. Komatsu split the parts book for this model partway through the run, so two machines both badged WA40-3 a few years apart can need different components. With the machine cold and shut off, check for play in the articulation joint and the loader-arm/bucket pins. Check tire tread and rim condition, a major line-item cost on a loader this size. Run the transmission through forward and reverse once warm and confirm it shifts cleanly without hunting. Check hydraulic oil for a clean look and correct level, not milky or burnt. Check the charging system and wiring at the articulation joint. This model sold mainly outside the mainland US market, so expect thinner independent write-ups than on bigger Komatsu loaders; lean on the dealer or the OEM manual for serial-specific torque and pressure numbers, and have your dealer verify anything safety-related before you buy.
Is there a real difference between early and late production in this WA40-3 serial range?
Komatsu broke the parts book for this model partway through production at a documented serial point, so components and part numbers differ before and after that break even though the machine kept the same WA40-3 designation. Mechanics don't report this as an operational difference: the engine family, transmission type, and general layout carry through the whole range. It does mean parts don't automatically interchange across the full run. Always match parts and service numbers to your own serial number rather than to the model name alone.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu WA40-3(S/N 10001-UP). Related factory variants of the same model family:
WA40-3(S/N 10001-18999)WA40-3(S/N 19001-UP)
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