Komatsuwheel loaderlarge (wa400 - )
Komatsu WA900-1(S/N 10001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WA900-1 (S/N 10001-UP) is a large articulated four-wheel-drive wheel loader built for quarry, aggregate, and surface-mining face-loading duty. It sits in Komatsu's roughly 95-tonne (about 209,000 lb) operating-weight class, the top of the WA-series lineup when it launched. Power comes from a Komatsu SA12V140-series V12 turbocharged diesel, a 30.5-liter block published in the roughly 570-650-plus kW (770-870-plus hp) range depending on the exact arrangement fitted, driving a torque-converter powershift transmission and planetary front and rear axles through a full-hydraulic articulated steering frame. Komatsu built this base WA900-1 (10001-UP) chassis from the mid-1990s into the early 2000s, alongside parallel L and LC configuration runs carried under their own separate serial blocks for application-specific fitments. No earlier WA900 nameplate exists; this was Komatsu's first machine at this frame size, sharing its engine family with the contemporary WA800-2 mining loader.
Komatsu replaced the -1 generation with the WA900-3 (S/N 50001-UP), a genuinely heavier machine at roughly 111,200 kg running a higher-output SAA12V140E-3 engine rated near 672 kW (900 hp) gross, not just an emissions relabel. The line continued through further emissions-tier updates into today's WA900-8. For the WA900-1 (10001-UP) specifically, that gap means original units are now firmly legacy iron: production ended two decades-plus ago, factory parts support leans on cross-reference within the shared SA12V140 engine family and Komatsu's large-loader driveline components, and surviving machines are usually valued for engine, axle, and hydraulic core exchange rather than as complete running units. Buyers shopping this model in the used and parts market should confirm configuration (base, L, or LC) against the actual serial plate before assuming a spec, since Komatsu ran several parallel serial blocks for this platform early in its production life.
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 WA900-1(S/N 10001-UP) specifications
Engine
| Engine model | Komatsu SA12V140 series diesel, 12-cylinder 90° V, turbocharged, water-cooled — the early SA12V140 rating fitted to this base WA900-1 chassis (S/N 10001-UP), distinct from the SAA12V140E-3/-7 used on later WA900-3/WA900-8 generations |
| Displacement | 30.5 L (1,861 cu in) |
| Bore x stroke | 140 mm x 165 mm (5.51 in x 6.50 in) |
| Cylinders | 12, V-configuration |
| Rated power | 651 kW (873 hp) as published for this series; source literature does not break this out into separate gross/net figures — confirm exact rated output for this serial block against the factory data plate |
| Emissions tier | Pre-regulation mechanical diesel (built 1996–2003, ahead of EPA/EU nonroad emissions tiers for this power class) |
Weights
| Operating weight | 94.72 t (208,820 lb / approx. 104.4 US tons) |
| Shipping weight | Not separately documented for this serial range — the figure above reflects standard operating configuration |
| Ground pressure | Not published in available literature for this serial range |
Dimensions
| Transport length | 14.65 m (48.1 ft) |
| Transport width | 5.04 m (16.5 ft) |
| Transport height | 5.28 m (17.3 ft) |
| Outside turning radius | 10.99 m (36.1 ft) |
| Wheelbase / ground clearance | Not documented for this exact serial range in available sources — later WA900 generations publish different figures that do not carry over to this chassis |
Performance
| Travel speed | 28 km/h (17.4 mph) top rated speed; gear-by-gear (F1–F4/R1–R3) breakdown not documented for this serial range |
| Bucket capacity | 13 m³ (17.0 yd³) heaped, standard bucket, 5.04 m (16.5 ft) width |
| Standard tires | 45/65-45-58PR (L-5) rock/quarry service tires |
| Breakout force / tipping load / gradeability | Not documented for this exact serial range in available public literature — later WA900 generations publish different figures; verify against the factory spec sheet or shop manual for S/N 10001-UP |
Service capacities (summary)
| Fuel tank, hydraulic system, engine oil, cooling system | Not documented in available public spec sheets for this serial range (S/N 10001-UP) — confirm exact refill capacities against the factory shop manual or with your Komatsu dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
WA900-1(S/N 10001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not published in available sources for this exact S/N range (10001-UP). This loader carries a V12, 30.5 L (SA12V140-1 / SAA12V140E family) engine, so sump volume is large — confirm the exact refill figure against the machine's own OMM lubricant table before service. | Komatsu Genuine engine oil (EO line): EO10W30-DH for cooler ambient, EO15W40-DH for warmer ambient, selected per the OMM's temperature-based grade chart. Use a genuine or KES 07.851-spec equivalent, not a generic multigrade. |
| Cooling system | Not published in available sources for this exact S/N range. Verify the exact refill volume against the OMM. | Komatsu Genuine Super Coolant (AF-NAC), a pre-mixed permanent-type antifreeze/corrosion inhibitor. Same fluid year-round; no separate summer/winter coolant swap called out. |
| Fuel tank | Not published in available sources for this exact S/N range. Verify against the OMM. | Diesel fuel only. Grade (regular vs. winter-blend/low-temperature diesel) follows the OMM's ambient-temperature fuel guidance for cold-climate starting. |
| Torque converter and transmission (powertrain case) | Not published in available sources for this exact S/N range. Verify against the OMM. | Komatsu Genuine Powertrain oil (TO line): TO10 (SAE 10W) for cold ambient, TO30 (SAE 30W) for warm ambient, per the OMM's temperature split for the torque converter and powershift transmission. |
| Final drive / axle housing, front (each) | Not published in available sources for this exact S/N range. Front and rear axle housings are normally serviced as separate compartments on this class of loader — verify each against the OMM. | Komatsu Genuine Axle oil (AXO line), AXO80 (SAE 80W) gear-type lubricant. Some Komatsu wheel loaders of this size instead route the axles onto Genuine Hydraulic oil (HO46-HM) — confirm which the OMM specifies for this serial range. |
| Final drive / axle housing, rear (each) | Not published in available sources for this exact S/N range. Verify against the OMM; figure may match the front axle housing or differ by design. | Komatsu Genuine Axle oil (AXO line), AXO80 (SAE 80W), same family as the front axle unless the OMM calls out a different grade for the rear. |
| Hydraulic system and tank | Not published in available sources for this exact S/N range. Verify both the tank-only figure and total system figure (if the OMM splits them) against the OMM. | Komatsu Genuine Hydraulic oil (HO line): HO46-HM (ISO VG46) for general ambient service, HO56-HE (ISO VG56) for high-temperature/heavy-duty service, per the OMM's climate-based grade guidance. |
| Grease (spec only) | N/A — spec only. No reservoir; applied at scheduled pin, bushing, and linkage points per the OMM lubrication schedule. | Komatsu Genuine G2-LI, a lithium EP multipurpose grease (NLGI 2) — Komatsu's standard 'one grease' across pins, bushings, and pivot points for this class of construction equipment. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu WA900-1(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 |
|
| Every 8,000 h |
|
Servicing the WA900-1(S/N 10001-UP) beyond the schedule
Predictive maintenance and fluid analysis
Run scheduled oil sampling on the SA12V140-series engine, torque-converter/transmission, axle housings, and hydraulic tank. A 30.5-liter V12 and this much driveline oil make lab trending far cheaper than guessing. Watch coolant additive concentration and soot/TBN trends on engine samples; turbocharged mining duty loads the oil fast. Track hydraulic tank temperature and cleanliness given the size of the load-sensing circuit. Rising metal counts in axle samples usually flag planetary gear or bearing wear before a final drive fails.
Corrective and common repairs
Expect wear at the articulation joint, steering-cylinder pin/bushing joints, and boom/bucket linkage pins given the tonnage this loader cycles daily; regrease intervals matter more here than on smaller WA-series loaders. Torque converter and powershift clutch packs are the other common failure point under repeated quarry face-loading stalls, so watch shift quality as an early warning. Turbocharger and air-intake seals on the V12 wear from constant dust exposure, and brake accumulator pressure should be checked whenever pedal feel softens.
Overhaul and rebuild points
At major hour milestones, plan around the SA12V140-series top end (injectors, turbocharger, cylinder heads) and the powershift transmission clutch packs as the two big-ticket rebuild items on this platform. Front and rear planetary final drives are the other common exchange point on a machine this size; bearing and gear wear inside the wheel-end housings drives most axle rebuilds. Because the WA900-1 is long out of production, many owners plan overhauls around exchange units rather than full teardown, given how scarce original components have become for this serial range.
Seasonal and environment servicing
In cold climates, use the correct engine coolant and cold-weather-grade engine oil for the V12, and let the torque converter and hydraulic system warm up before full-load quarry work; this much oil volume takes longer to reach operating temperature. In hot, dusty quarry or mining environments, shorten air cleaner and radiator/oil cooler cleaning intervals and check the coolant conditioner more often. Wash accumulated fines off the articulation joint and axle housings regularly; packed dust accelerates seal wear on a loader this size.
WA900-1(S/N 10001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 07000-02080 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 07000-02075 | O-Ring,Steering Oil Filter | Lubrication service | Check fitment → |
| 6215-51-5690 | Grommet,Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WA900-1(S/N 10001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Engine oil pressure lamp | Engine oil pressure has dropped below the safe operating minimum | Low oil level, failing oil pump, clogged suction strainer, or a bad pressure sender | Stop and idle the engine immediately, check oil level and look for leaks before restarting; verify with a mechanical gauge if the lamp stays on with oil full |
| Coolant temperature lamp | Engine coolant temperature has exceeded the normal operating range | Low coolant level, blocked radiator core, slipping or broken fan belt, or thermostat stuck closed | Reduce load, let the engine idle to cool, then check coolant level and radiator/fan belt condition once safe to open the system |
| Charge lamp | Alternator is not charging the battery circuit | Slipping or broken alternator belt, worn brushes, or a wiring/connector fault | Check belt tension and condition first, then test alternator output and battery connections |
| Air cleaner restriction lamp | Intake air filter restriction has reached the service limit | Dirt-loaded primary air filter element or a collapsed/torn element | Stop and inspect the air cleaner element, clean or replace it, and check the restriction indicator resets |
| Torque converter oil temperature lamp | Torque converter oil has overheated beyond the safe range | Low transmission/torque converter oil, clogged oil cooler, or sustained high-load stall operation (e.g. digging into a bank too long) | Reduce throttle and load, shift to neutral to let the converter cool, then check oil level and cooler airflow once stopped |
| Brake oil pressure (accumulator) lamp | Service brake hydraulic accumulator pressure has dropped below the safe threshold | Charging pump failure, accumulator pre-charge loss, or a leak in the brake hydraulic circuit | Stop the machine safely, apply the parking brake, and have brake circuit pressure checked before further operation |
| Hydraulic oil filter bypass lamp | Main hydraulic filter has reached its restriction/bypass point | Dirt-loaded filter element, cold oil at startup, or contaminated hydraulic oil | Check oil temperature first (cold oil can trigger a momentary signal), then replace the filter element if it persists at operating temperature |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
WA900-1(S/N 10001-UP) attachments & work tools
Buckets - general purpose vs. rock/quarry
Factory buckets for this class fall in roughly the 11.5-13.0 m3 (15.0-17.0 yd3) window quoted across the WA900 line, with a wider general-purpose profile for looser material and a narrower spade-nose rock/quarry profile for blasted rock and dense ore. Exact capacity varies by configuration/series, so confirm against the build sheet for this serial range.
Ground-engaging tools (GET)
Buckets use bolt-on teeth with tip and adapter sets plus bolt-on cutting edges or half-arrow blades rather than welded edges, so worn parts are replaced in the field without welding. Bolt-on lip, wing, and heel shrouds are offered for abrasive rock and ore duty.
Bucket mounting / coupler system
This size class carries its bucket on pinned Z-bar loader linkage, not a hydraulic quick-coupler tool carrier. Komatsu's own quick-hitch coupler lineup is built for its smaller wheel loader classes, not the 900-class mining machines, so a bucket swap on this machine is a pin-and-bolt job rather than a hydraulic quick-attach change.
Loader linkage / hydraulic arrangement
Uses Komatsu's high-tensile Z-bar loader linkage for maximum breakout force in blasted rock and stockpile digging. The standard circuit serves lift and tilt only; this generation has no auxiliary quick-attach hydraulic circuit routed to the boom.
Load-handling attachments (forks)
Pallet forks and log/lumber forks exist industry-wide for loaders in this size class, but they read as a generic aftermarket fit rather than a documented factory work tool for this exact model and serial range. Verify fork-frame and pin compatibility with your dealer before ordering.
Guarding and site-protection options
Mining and quarry duty in this class commonly adds cab rock guards or screens, underbody and radiator spill/debris guards, and tire protection chains. These are application-driven configuration choices more than dedicated factory checkbox options tied to this specific serial block.
Factory configuration notes
S/N 10001-UP is the standard-reach base loader powered by the SA12V140 V12 diesel used across the base WA900-1 line. A separate high-lift WA900-1L (S/N A20001-A20007) exists with different arm geometry and is not attachment-interchangeable with this standard-reach block.
All WA900-1(S/N 10001-UP) assemblies by section
Every catalogued assembly group for the Komatsu WA900-1(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 : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Governor
| 56***20 | Filter - (K11) | 2 |
| 56***30 | Piston Ass'Y (Op) | 1 |
| 56***90 | Spring, Exhaust Stem | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Compressor To Wet Tank)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 2 |
| 01***70 | Capscrew - M10 X 1.50 X 170 | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank To Treadle Valve 1/2)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 07***00 | Socket, Coupling | 1 |
| 42***30 | Elbow, Top Of Dryer | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank To Treadle Valve 2/2)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 04***10 | Clip,(Without Cab) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Paking Brake And Horn)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
| 01***14 | Bolt - Plate Mounting | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Treadle Valve To Chamber 1/2)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Treadle Valve To Chamber 2/2)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Wet Tank To Dry Tank)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Wet Tank)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 8 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Chamber
| 01***35 | Bolt,(F4320-52a0 -5 ) | 6 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 6 |
| 01***10 | Nut (K10) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Brake Oil Tank)
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Front Brake)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***55 | Bolt,(See Service News) | 4 |
| 01***40 | Capscrew | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Rear Brake)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***45 | Bolt, M14x2.0x45 | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Tank To Chamber)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Center Support
| 01***40 | Capscrew - M12 X 1.75 X 40lg | 12 |
| 01***95 | Bolt, Yoke Mounting | 6 |
| 01***19 | Nut | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Center)
| 01***95 | Bolt | 8 |
| 41***30 | Lubrication Nipple | 1 |
| 41***40 | Lubrication Nipple | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Front)
| 01***95 | Bolt | 8 |
| 41***30 | Lubrication Nipple | 2 |
| 41***40 | Lubrication Nipple | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Rear)
| 01***95 | Bolt | 8 |
| 41***30 | Lubrication Nipple | 1 |
| 41***40 | Lubrication Nipple | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Axle Housing
| 01***45 | Capscrew - M16 | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 2 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Differential
| 01***40 | Bolt (Kit) | 4 |
| 01***90 | Bolt | 16 |
| 01***65 | Capscrew (1) | 20 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Final Drive
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 32 |
| 01***60 | Capscrew | 30 |
| 01***95 | Bolt, Yoke Mounting | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Wheel Brake
| 01***45 | Hexagon Bolt | 18 |
| 01***60 | Bolt,(Balancer) | 30 |
| 01***70 | Capscrew - M24 (1) | 28 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Parking Brake
| 07***75 | Fitting,Grease (Without Lub. Piping) | 1 |
| 42***10 | Note: (1) Included In Parking Brake Service Kit 425-32-05010 | 1 |
| 42***20 | Pad | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Parking Brake Mounting
| 01***55 | Capscrew | 30 |
| 01***55 | Bolt, Fuel Tank Mounting | 16 |
| 01***45 | Bolt, Mounting Cranking Motor | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Axle Housing
| 01***45 | Capscrew - M16 | 2 |
| 01***65 | Capscrew (1) | 24 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Differential
| 01***40 | Bolt (Kit) | 4 |
| 01***90 | Bolt | 16 |
| 01***65 | Capscrew (1) | 20 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Final Drive
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 32 |
| 01***60 | Capscrew | 30 |
| 01***95 | Bolt, Yoke Mounting | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Wheel Brake
| 01***45 | Hexagon Bolt | 18 |
| 01***60 | Bolt,(Balancer) | 30 |
| 01***70 | Capscrew - M24 (1) | 28 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Relay Valve
| 42***30 | Valve Ass'Y,Air Relay | 1 |
| 56***60 | Valve (Kit) | 1 |
| 56***70 | Ring,Retaining (Kit) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Slack Adjuster
| 01***40 | Capscrew | 8 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 8 |
| 42***70 | Valve | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Spring Cylinder
| 42***10 | Rod | 1 |
| 42***01 | Spring Cylinder Assembly (Twin Parking Brake) | 2 |
| 42***20 | Cylinder | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Treadle Valve
| 01***22 | Screw | 4 |
| 01***22 | Bolt,(10m) | 3 |
| 01***10 | Screw,(For Wiper Switch Earth) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Wheel And Tubeless Tire
| 01***23 | Washer,(With Car Heater) | 8 |
| 09***20 | Valve Ass'Y,Tire | 4 |
| 42***10 | Extension | 4 |
Engine Related Parts And Electrical System
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Accelerator Pedal And Linkage (1/3)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***60 | Bolt,(With Body Positioner) | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Accelerator Pedal And Linkage (2/3)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***40 | Bolt (Op) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Accelerator Pedal And Linkage (3/3)
| 01***40 | Bolt (Op) | 2 |
| 01***45 | Bolt,(Noise Abatement Part) | 3 |
| 01***06 | Nut? L.H. Thread,R.H. Thread | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Battery And Battery Relay
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 16 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Battery Box)
| 01***50 | Bolt,(Without Rops) | 4 |
| 01***70 | Capscrew - M24 (1) | 4 |
| 01***45 | Bolt,L.H | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Battery Line)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 11 |
| 01***30 | Bolt - Pin Mounting | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? L.H.)
| 01***16 | Bolt - Starting Motor Ground Cable | 5 |
| 08***20 | Connector | 1 |
| 08***30 | Connector | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Engine Line)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 23 |
| 01***08 | Screw - Clip Mounting | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Floor Line)
| 01***20 | Bolt,(For Mono Lever Steering) | 39 |
| 01***08 | Screw - Clip Mounting | 20 |
| 01***14 | Bolt - Plate Mounting | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (For Joy Stick Steering (1/2))
| 01***08 | Screw - Clip Mounting | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 14 |
| 01***25 | Bolt - Relay Mounting | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (For Joy Stick Steering (2/2))
| 08***14 | Grommet,(For Eu Dynamic Noise) | 1 |
| 42***81 | Wiring Harness | 1 |
| 42***40 | Switch, Joystick Steering Cut-Off | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Lamp)
| 01***40 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***16 | Screw, Mount Parking Lights | 8 |
| 01***10 | Screw,(With Air Conditioner) | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Line)
| 01***20 | Bolt,(For Mono Lever Steering) | 27 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***08 | Screw - Clip Mounting | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Frame Line)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 13 |
| 01***08 | Screw - Clip Mounting | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Lamp)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***08 | Screw - Clip Mounting | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Bypass Filter And Piping
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***95 | Capscrew | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***55 | Capscrew | 12 |
| 01***00 | Bolt,(For 27.00-49) | 2 |
| 01***50 | Screw | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Related Parts (2/2)
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 16 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 16 |
| 07***20 | Clamp,(Except Japan) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Rerated Parts (1/2)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
| 01***16 | Bolt - Starting Motor Ground Cable | 5 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Fuel Piping
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***60 | Bolt, Mounting | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 7 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Fuel Tank
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***00 | Bolt | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Instrument Panel
| 01***08 | Screw - Holder | 6 |
| 01***12 | Screw,(With Articulate Indicator) | 3 |
| 01***20 | Screw, Mount Monitor Panel (Front) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Joy Stick Steering)
| 01***08 | Screw - Holder | 6 |
| 01***12 | Screw,(With Articulate Indicator) | 3 |
| 01***20 | Screw, Mount Monitor Panel (Front) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Monitor Panel
| 01***10 | Washer,(Except Japan) | 10 |
| 01***05 | Washer,(Except Japan) | 10 |
| 08***03 | Bulb? 3w,Turn Signal Lamp | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Oil Cooler (For Torqflow Oil)
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 16 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(With Body Positioner) | 124 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Cover
| 01***50 | Bolt - Differential Carrier | 8 |
| 01***90 | Bolt | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 24 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Dust And Dirt Protection
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 10 |
| 42***11 | Protector, Upper | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Piping
| 01***20 | Bolt,(For Mono Lever Steering) | 13 |
| 01***30 | Capscrew (1) | 8 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 5 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Sensor And Controller
| 78***10 | Sensor,(With Speedometer) | 1 |
| 78***20 | Sensor,Torqflow And Water Temperature | 1 |
| 78***30 | Sensor, Transmission Oil Temperature | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Servo Cylinder
| 61***42 | Cylinder Ass'Y, Servo | 1 |
| NA***01 | Yoke | 1 |
| NA***02 | Body | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Engine Related Parts And Electrical System : Torqflow Oil Cooler Piping
| 01***65 | Bolt,(Used With Pin Puller) | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 4 |
Frame And Guard
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Component Box
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
| 01***45 | Bolt,L.H | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner (Denso) (R134a) (Air Compressor And Related Parts)
| 01***65 | Bolt | 1 |
| 01***65 | Bolt | 1 |
| 01***85 | Screw | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner (Denso) (R134a) (Air Conditioner Unit And Related Parts)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner (Denso) (R134a) (Condenser And Cooler Piping)
| 01***12 | Bolt - Front Cover Mounting | 4 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***25 | Screw | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner (Denso) (R134a) (Filetr Box And Related Parts)
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 10 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner (Denso) (R134a) (Filetr Box And Related Parts) (With Joy Stick Steering)
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 10 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner (Denso) (R134a) (Heater Piping)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 15 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (Denso) (R134a) (1/3)
| 01***14 | Screw,(With Joy Stick Steering) | 1 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***03 | Nut,(With Joy Stick Steering) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (Denso) (R134a) (2/3)
| 42***10 | Switch,See Fig. K4010-17a0 | 1 |
| 42***60 | Coil Assembly, Heater | 1 |
| 42***30 | Hose - Shutoff Valve To Coil | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (Denso) (R134a) (3/3)
| 42***60 | Blower Assembly | 1 |
| 42***10 | Motor Assembly | 1 |
| 42***20 | Packing | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Car Heater (Denso) (Heater Unit And Filter Box)
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Car Heater (Denso) (Heater Unit And Filter Box) (With Joy Stick Steering)
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Compressor (Denso) (R134a)
| 20***10 | Air Compressor A. (Kit) | 1 |
| ND***70 | Clamp, Tapping | 1 |
| ND***40 | Compressor Assembly | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Console Box (With Air Conditioner)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 2 |
| 01***30 | Screw | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Console Box (With Air Conditioner) (For Joy Stick Steering)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***30 | Screw | 1 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Console Box (Without Air Conditioner 1/2)
| 01***08 | Screw, Mount Damper To Shaft | 4 |
| 01***20 | Screw (Not Illustrated) | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Console Box (Without Air Conditioner 1/2) (For Joy Stick Steering)
| 01***08 | Screw, Mount Damper To Shaft | 4 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Console Box (Without Air Conditioner 2/2)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***30 | Screw | 1 |
| 01***12 | Screw, Ashtray Mounting | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Counter Weight
| 01***80 | Washer,(For Shipping) | 6 |
| 42***20 | Pin | 1 |
| 42***21 | Weight, Counter | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Engine Hood(#10001-10006)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Engine Hood(#10007-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Engine Side Cover (2/2)(#10007-)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 12 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Engine Side Cover Frame
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 2 |
| 01***45 | Bolt,(For 60ton Dump Body) | 16 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Engine Side Cover(#10001-10006)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 12 |
| 01***14 | Bolt - Plate Mounting | 4 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 18 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Engine Side Cover(#10007-)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 8 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 16 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Fender And Plate(#10007-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***35 | Capscrew - M14 (1)/(2) | 18 |
| 01***35 | Bolt,(With Rops) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Floor Frame
| 01***16 | Bolt - Seat And Tether Belt Mounting | 5 |
| 01***16 | Screw | 2 |
| 01***20 | Screw,(Tbg/Abe Spec.) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Floor Frame (For Joy Stick Steering)
| 01***16 | Bolt (With Air Heater & Conditioner) | 5 |
| 01***16 | Screw | 2 |
| 01***20 | Screw,(Tbg/Abe Spec.) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Floor Support
| 01***35 | Bolt,(F4320-52a0 -5 ) | 16 |
| 01***70 | Bolt | 6 |
| 01***15 | Nut, Lock | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Front Fender And Step
| 01***30 | Bolt,(Not Used When Towing Winch) | 24 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
| 01***45 | Bolt, Mounting Cranking Motor | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Front Frame
| 01***25 | Bolt, Mount Cover | 8 |
| 01***65 | Capscrew - M20 | 4 |
| 01***70 | Capscrew (4) (Qty.26 (5)) | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Heater Piping (Denso)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 15 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Heater Unit (1/2) (Denso)
| 01***14 | Screw,(With Joy Stick Steering) | 1 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***03 | Nut,(With Joy Stick Steering) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Heater Unit (2/2) (Denso)
| 42***60 | Coil Assembly, Heater | 1 |
| 42***30 | Hose - Shutoff Valve To Coil | 1 |
| 42***40 | Hose - Heater Coil To Radiator | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Ladder And Step(#10001-10006)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 8 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Ladder And Step(#10007-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Ladder Rail(#10007-)
| 01***50 | Bolt,(Spark Arrester Spec.) | 16 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 12 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 62 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Mirror And Stay
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 8 |
| 08***23 | Mirror, Outside - Rear View | 2 |
| 42***41 | Stay, L. H | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (1/6) (Mounting Parts)
| 01***50 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
| 01***75 | Bolt - Cab To Rops | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (2/6) (Front)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 12 |
| 01***20 | Screw | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 14 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (3/6) (Rear)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 3 |
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (4/6) (Interior Trim)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 10 |
| 01***16 | Screw, Mount Parking Lights | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (5/6) (Door)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 2 |
| 01***12 | Screw, Ashtray Mounting | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Cab (6/6) (Electrical)
| 08***10 | Connector | 1 |
| 08***10 | Connector | 1 |
| 08***60 | Connector | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Seat (With Suspension)
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
| 42***41 | Arm Rest - 11.02 In. (280 mm) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Operator'S Seat (With Suspension) (For Joy Stick Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Radiator Guard(#10001-10006)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***50 | Bolt,(For D60pl) | 8 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Radiator Guard(#10007-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***50 | Bolt,(For D60pl) | 8 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Rear Frame
| 01***50 | Capscrew | 12 |
| 01***00 | Bolt (Op) | 16 |
| 01***20 | Capscrew | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Remote Lubricating (Front 1/2)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Remote Lubricating (Front 2/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 21 |
| 01***32 | Washer,(With Auto Emergency Steering) | 21 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Remote Lubricating (Rear 1/2)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Remote Lubricating (Rear 2/2)
| 01***20 | Bolt,(For Mono Lever Steering) | 13 |
| 01***32 | Washer,(With Auto Emergency Steering) | 13 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Rops Canopy
| 01***50 | Bolt | 20 |
| 01***90 | Washer,(For Shipping) | 20 |
| 02***19 | Bolt,Tether | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Seat Cover
| 42***12 | Cover, Seat | 1 |
| 42***22 | Cover, Back | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Side Floor(#10001-10006)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 44 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 26 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Side Floor(#10007-)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 32 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 22 |
Komatsu : Wa900-1(S/N 10001-Up) : Frame And Guard : Window Washer
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Mark Plate? Tool And Kit
Komatsu : Wa900-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English)
Komatsu : Wa900-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Service Kit
| 07***75 | O-Ring,Steering Oil Filter | 3 |
| 07***85 | O-Ring,(Without Fuel Level Gauge) | 1 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Mark Plate? Tool And Kit : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***00 | Nozzle, Grease Pump (Flexible Type) | 1 |
Sa12v140-1p Engine S/N 10002-Up
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Air Compressor (Front)
| 62***01 | Air Compressor A.,(See Fig.A7010-D7a3) | 1 |
| DK***40 | Gasket,Air Compressor | 1 |
| DK***40 | Gasket,Air Compressor | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Air Compressor (Rear)
| 62***01 | Air Compressor A.,(See Fig.A7010-E7a3) | 1 |
| DK***40 | Gasket,Air Compressor | 1 |
| DK***40 | Gasket,Air Compressor | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Air Compressor And Mounting
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 1 |
| 01***45 | Bolt,(Cold Terrain Spec.) | 2 |
| 01***95 | Bolt, Mount Filter Support | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Air Compressor Piping (1/2)
| 01***35 | Bolt,(Without Auto Priming System) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Air Compressor Piping (2/2)
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 10 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 12 |
| 07***10 | Screw, Banjo Connector (M10-1.25x20) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Air Intake Manifold And After Cooler (1/2)(#10202-)
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***00 | Bolt (M10-1.50x100) | 7 |
| 01***05 | Bolt (M10-1.50x105) | 5 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Air Intake Manifold And After Cooler (2/2)(#10202-)
| 01***00 | Bolt (M10-1.50x100) | 8 |
| 01***05 | Bolt (M10-1.50x105) | 4 |
| 01***60 | Bolt (M10-1.50x160) | 9 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Alternator (50a)
| 60***21 | Alternator A. (50a),(With Hardening Pulley) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Alternator (75a)
| 60***30 | Alternator A. (75a) | 1 |
| SD***X0 | Coil Assembly | 1 |
| SD***X0 | Washer | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Alternator And Mounting
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt (M12x1.75x20) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Alternator Drive
| 01***16 | Bolt,(For Slag Handling) | 6 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
| 01***90 | Bolt,For Reversible Fan | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Bypass Filter And Piping(#10394-)
| 07***23 | O-Ring,(For Shipping) (K6) | 1 |
| 07***10 | Hose (To Locking Differential) | 1 |
| 07***12 | Hose,(White) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Camshaft
| 01***20 | Bolt (M12-1.75x20) | 4 |
| 04***25 | Key, Plain Woodruff | 1 |
| 04***12 | Ring, Retaining | 48 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Cooling Fun And Mounting
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 6 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 14 |
| 01***60 | Bolt, Trunnion Cap | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Corrosion Resister And Mounting
| 01***35 | Bolt, Mounting - Flywheel Housing End | 2 |
| 07***06 | O-Ring,Corrosion Resistor | 1 |
| 07***14 | O-Ring,(F4350-63a1a-2 ) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Crankshaft
| 01***30 | Bolt,Radio Controlled Slag Handling | 12 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Cylinder Block
| 01***20 | Bolt | 12 |
| 01***16 | Washer,(With Water Separator) | 12 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 14 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Cylinder Block Cover
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***25 | Bolt - Rear Guard Mounting | 26 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Cylinder Head
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 12 |
| 01***20 | Bolt (M10-1.75x120) | 12 |
| 02***04 | Plug, Pipe | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Exhaust Manifold And Turbocharger (1/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***45 | Bolt, Mount Retainer | 8 |
| 01***50 | Bolt | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Exhaust Manifold And Turbocharger (2/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***45 | Bolt, Mount Retainer | 6 |
| 01***50 | Bolt | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Flywheel And Flywheel Housing
| 01***30 | Screw | 3 |
| 01***65 | Bolt,L.H | 14 |
| 01***50 | Bolt, Fuel Tank Mounting - Front Left | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Front Cover(#10263-)
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***20 | Bolt,(Used When Towing Winch) | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Filter And Piping (1/2)
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
| 01***95 | Bolt,(For Reversible Fan) | 2 |
| 01***15 | Bolt | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Filter And Piping (2/2)(#10034-)
| 01***40 | Bolt,(For Position Fixing) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***50 | Bolt | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Injection Pump And Piping (1/2)
| 01***25 | Bolt (M6-1.00x25) | 7 |
| 01***35 | Bolt | 4 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Injection Pump And Piping (2/2)
| 01***25 | Bolt (M6-1.00x25) | 5 |
| 01***35 | Bolt | 4 |
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Injection Pump Drive
| 01***30 | Bolt,Radio Controlled Slag Handling | 8 |
| 01***20 | Bolt, Mount Spool Covers | 6 |
| 01***13 | Nut, Regular Hexagon (M22-1.25) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Injection Pump Linkage (1/3)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***03 | Nut? L.H. Thread,L.H. Thread | 1 |
| 01***05 | Nut (Welded) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Injection Pump Linkage (2/3)(#10202-)
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 1 |
| 01***70 | Bolt, Spacer | 1 |
| 01***90 | Bolt (M10-1.50x90) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Injection Pump Linkage (3/3)
| 01***05 | Nut (Welded) | 1 |
| 60***31 | Motor,Stop | 1 |
| 69***10 | Joint,Ball | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Fuel Nozzle And Spill Pipe
| 01***20 | Bolt, Mount Main Relief Valve | 12 |
| 01***10 | Nut,(Service Only) | 12 |
| 07***21 | O-Ring,Oil Cooler Pipe | 24 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Gasket Kit
| 07***12 | O-Ring, Between Valve And Pump | 1 |
| 07***21 | O-Ring,Water Piping | 2 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Gear Case And Gear
| 01***40 | Bolt,(For Position Fixing) | 12 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 13 |
| 01***80 | Bolt,(Shim 5 Pieces Over) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Lubricating Oil Adapter(#10449-)
| 01***12 | Bolt (M8-1.25x12) | 3 |
| 01***65 | Bolt,(Except Japan) | 1 |
| 01***80 | Bolt,(Not Shown) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Lubricating Oil Cooler
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 24 |
| 01***65 | Bolt,(For Suction Fan)(4d130-1d) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Lubricating Oil Filter And Piping(#10449-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Lubricating Oil Pump And Suction Pipe
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Muffler And Mounting
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Oil Pan
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(For France Noise Suppression) | 52 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Piston And Connecting Rod
| 02***13 | Pin, Dowel | 2 |
| 04***20 | Ring, Retaining | 24 |
| 62***31 | Piston Ring Ass'Y,Per Cylinder | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Rocker Arm And Housing(#10375-10778)
| 01***85 | Bolt (M10-1.50x85) | 2 |
| 01***80 | Bolt (M12-2.00x80) | 12 |
| 01***08 | Nut,R.H. Thread | 24 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Rocker Arm And Housing(#10779-)
| 01***85 | Bolt (M10-1.50x85) | 2 |
| 01***80 | Bolt (M12-2.00x80) | 12 |
| 01***80 | Bolt (M10-1.50x80) | 34 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Rocker Arm Housing Cover(#10002-10778)
| 01***65 | Bolt,R.H | 36 |
| 62***10 | Cover,Rocker Arm Housing | 12 |
| 62***20 | Washer | 36 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Rocker Arm Housing Cover(#10779-)
| 01***55 | Screw | 36 |
| 62***11 | Cover,Rocker Arm Housing | 12 |
| 62***20 | Gasket, Rocker Lever Housing | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Starting Motor (7.5kw)
| 60***20 | Starting Motor Ass'Y,(7.5kw) | 2 |
| KD***20 | Magnetic Switch Assembly | 1 |
| KD***40 | Spring,Spring | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Starting Motor And Mounting
| 01***16 | Bolt,(Sandy And Dusty Spec.) | 1 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***40 | Bolt,(With Center Guard) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Tension Pulley And Mounting(#10038-)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 1 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Thermostat And Mounting
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***10 | Bolt (M10x1.50x10) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Tubrocharger(#10367-)
| 01***16 | Bolt,(For Slag Handling) | 4 |
| 01***16 | Bolt | 8 |
| 04***08 | Pin, Dowel | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Turbocharger Lubricating Oil Piping
| 01***30 | Bolt,(For France Noise Suppression) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 5 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Water Piping(#10263-)
| 01***20 | Bolt,(Large Capacity Type) (Std) | 4 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***35 | Bolt, Mounting - Flywheel Housing End | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Sa12v140-1p Engine S/N 10002-Up : Water Pump And Mounting
| 01***20 | Bolt,(Large Capacity Type) (Std) | 1 |
| 01***30 | Bolt,(For France Noise Suppression) | 7 |
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
Steering And Control System
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Check Valve (For Emergency Steering)
| 01***12 | Bolt | 2 |
| 07***55 | O-Ring,(F2320-63a2 -9 ) | 1 |
| 70***10 | Body | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Emergency Steering Piping (1/3)
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***25 | Capscrew | 4 |
| 01***08 | Screw - Clip Mounting | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Emergency Steering Piping (2/3)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***50 | Bolt,(For D60pl) | 2 |
| 01***05 | Capscrew | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Emergency Steering Piping (3/3)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***80 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***90 | Bolt,For Weight Adjusting Bolt | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Emergency Steering Pump
| 04***20 | Ring, Snap | 1 |
| 70***10 | Pump, Ground Driven Steering | 1 |
| 70***10 | Seal - Oil | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Emergency Steering Valve
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 10 |
| 01***15 | Bolt | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Joy Stick Steering Lever (1/3)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***50 | Capscrew | 1 |
| 01***12 | Screw | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Joy Stick Steering Lever (2/3)
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***16 | Washer,(With Water Separator) | 3 |
| 04***33 | Pin, Cotter | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Joy Stick Steering Lever (3/3)
| 01***12 | Screw | 2 |
| 01***16 | Screw,(With Payload Meter) | 4 |
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Relief Valve (For Emergency Steering)
| 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 : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Column
| 01***40 | Screw | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Cylinder
| 01***45 | Bolt,(Cold Terrain Spec.) | 6 |
| 01***65 | Bolt,(Without Rops) | 12 |
| 01***60 | Washer,(For Large Size Tire) | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Demand Valve (For Joy Stick Steering)
| 42***60 | O-Ring (Kit) | 1 |
| 42***70 | O-Ring (Kit) | 2 |
| 42***10 | Valve Assembly, Relief | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (1/5) (Suction Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (1/5) (Suction Line) (For Joy Stick Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***50 | Screw | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (2/5) (Steering Valve To Steering Demand Valve)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 9 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (2/5) (Steering Valve To Steering Demand Valve) (For Joy Stick Steering)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 9 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (3/5) (Drain Line)
| 01***60 | Bolt,(With Body Positioner) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***60 | Bolt | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (3/5) (Drain Line) (For Joy Stick Steering)
| 01***60 | Bolt,(With Body Positioner) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***60 | Bolt | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (4/5) (Steering Cylinder Line (1/2))
| 01***40 | Bolt (Op) | 8 |
| 01***80 | Screw | 3 |
| 01***30 | Bolt | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (4/5) (Steering Cylinder Line (1/2)) (For Joy Stick Steering)
| 01***40 | Bolt (Op) | 8 |
| 01***80 | Screw | 3 |
| 01***30 | Bolt | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (5/5) (Steering Cylinder Line (2/2))
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
| 01***45 | Bolt,(Noise Abatement Part) | 32 |
| 01***80 | Screw | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Oil Piping (5/5) (Steering Cylinder Line (2/2)) (For Joy Stick Steering)
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
| 01***45 | Bolt,(Noise Abatement Part) | 32 |
| 01***80 | Screw | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Steering Wheel And Transmission Control
| 01***10 | Bolt, Fan Mounting | 2 |
| 01***16 | Screw,(For Air Conditioner Less) | 3 |
| 01***14 | Bolt - Plate Mounting | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Stop Valve
| 42***00 | Valve Assembly, Stop | 2 |
| 42***30 | Poppet | 1 |
| 42***40 | Compression Spring | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Steering And Control System : Transmission Control Switch
| 01***10 | Screw, Mount Wire Assembly | 2 |
| 04***20 | Pin, Spring Retainer | 2 |
| 04***17 | Ball,Detent | 1 |
Transmission
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Damper
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 16 |
| 01***50 | Bolt, Radiator To Frame | 12 |
| 01***25 | Bolt | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torqflow Mounting Parts
| 01***40 | Bolt | 2 |
| 01***85 | Capscrew | 4 |
| 01***70 | Capscrew - M24 (1) | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torqflow Oil Filter
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt (Op) | 15 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torqflow Piping (1/3)
| 01***45 | Bolt,(For 60ton Dump Body) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 24 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torqflow Piping (2/3)
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torqflow Piping (3/3)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***10 | Bolt,For Weight Adjusting Bolt | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torque Converter
| 01***35 | Bolt, M10x1.5x35 | 36 |
| 01***45 | Bolt, Mount Retainer | 16 |
| 01***40 | Bolt (Kit) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torque Converter Case
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Torque Converter Valve
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 07***14 | O-Ring,(F4350-63a0 -20 ), O-Ring | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transfer Case
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission (1st And 2nd Clutch)
| 01***35 | Bolt,Snap | 4 |
| 04***42 | Pin,Dowel? Gear Case Cover | 2 |
| 04***35 | Bowl, Check Valve | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission (3rd Clutch)
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 24 |
| 01***35 | Bolt,Snap | 6 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 24 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission (Forward Clutch)
| 01***35 | Bolt,Snap | 8 |
| 04***42 | Pin,Dowel? Gear Case Cover | 2 |
| 04***35 | Bowl, Check Valve | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission (Output Shaft 1/2)
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission (Output Shaft 2/2)
| 01***40 | Bolt,(With Service Valve R.H.) | 14 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 14 |
| 01***90 | Washer,(For Shipping) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission (Reverse Clutch)
| 04***42 | Pin,Dowel? Gear Case Cover | 2 |
| 04***25 | Ring, Retaining | 1 |
| 04***40 | Ring, Retaining | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission Case
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 17 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 17 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission Control Valve (1/4)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 5 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission Control Valve (2/4)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***90 | Bolt, Fan Mounting | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission Control Valve (3/4)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 11 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 2 |
| 01***20 | Screw | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission Control Valve (4/4)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt, Tension Adjustment | 5 |
| 01***10 | Screw, Mount Wire Assembly | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Transmission Oil Gauge
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Transmission : Universal Joint
| 01***75 | Bolt | 8 |
| 41***30 | Lubrication Nipple | 1 |
| 42***40 | Lubrication Nipple | 2 |
Work Equipment
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment : Bellcrank
| 01***35 | Bolt | 4 |
| 01***70 | Bolt | 3 |
| 01***50 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment : Bucket? 13.0m3 (Spade Nose) (With Tooth)(#10001-10007)
| 42***25 | Edge (Welded) | 1 |
| 42***33 | Plate (Welded) | 2 |
| 42***52 | Plate,L.H. (Welded) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment : Bucket? 13.0m3 (Spade Nose) (With Tooth)(#10008-)
| 42***90 | Pin | 10 |
| 42***10 | Adapter (Welded) | 8 |
| 42***20 | Adapter,L.H. (Welded) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment : Lift Arm
| 01***35 | Bolt | 4 |
| 01***70 | Bolt,(For Rops) | 6 |
| 01***50 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment : Tooth
| 42***11 | Tooth | 10 |
| (4***0) | Pin | 10 |
Work Equipment Control System
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : 2-Spool Control Valve (1/2)
| 01***50 | Bolt,(For Strengthened Cover) | 8 |
| 01***25 | Bolt,(For Rubber Shoe) | 2 |
| 01***60 | Bolt,(Shim Thickness?More Than 8mm) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : 2-Spool Control Valve (2/2)
| 07***11 | O-Ring (Kit) | 1 |
| 07***16 | O-Ring,Suction And Relief Valve | 1 |
| 07***32 | O-Ring,(See Fig. H0312-01a0-4) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Accumulator (Capacity Of Gas 3000cc) (Inner Parts)
| 20***10 | Accumulator | 1 |
| NF***83 | Nut | 2 |
| NF***47 | Oil Port | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Boom Kick Out And Bucket Positioner
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Check Valve (For Pump To Valve Line)
| 01***12 | Bolt | 2 |
| 07***55 | O-Ring,(F2320-63a2 -9 ) | 1 |
| 70***10 | Body | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Check Valve (For Valve To Cylinder Line)
| 07***48 | O-Ring, (Without Emergency Steering) | 1 |
| 70***31 | Spring | 1 |
| 70***01 | Valve Assembly | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Dump Cylinder
| 01***70 | Bolt - Thrust Plate Mounting | 6 |
| 01***60 | Bolt | 16 |
| 01***90 | Washer,(For Shipping) | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Filter
| 01***35 | Bolt | 8 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 30 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Control Valve To Tank)
| 01***45 | Bolt, Mounting Cranking Motor | 2 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 8 |
| 01***00 | Bolt,For Weight Adjusting Bolt | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Cooling Line) (1/2)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***50 | Bolt,For Weight Adjusting Bolt | 3 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Cooling Line) (1/2) (For Joy Stick Steering)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Cooling Line) (2/2)
| 01***00 | Bolt,For Weight Adjusting Bolt | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Cooling Line) (2/2) (For Joy Stick Steering)
| 01***00 | Bolt, Tube | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Demand Valve To Control Valve)
| 01***40 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***55 | Bolt,(For Shipping) | 16 |
| 01***80 | Screw | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Dump Cylinder Line 1/2)
| 01***50 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***55 | Bolt - Mount Cage To Transmission Case | 4 |
| 01***55 | Bolt,(For Shipping) | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Dump Cylinder Line 2/2)
| 01***50 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***55 | Bolt - Mount Cage To Transmission Case | 4 |
| 01***55 | Bolt,(For Shipping) | 16 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line 1/2)
| 01***55 | Bolt,(Tree Pusher Dozer) | 8 |
| 01***50 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line 2/2)
| 01***50 | Bolt,For Weight Adjusting Bolt | 16 |
| 01***30 | Bolt - M14 X 30lg | 4 |
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (P.O.C. And P.P.C. Valve Line 1/7)
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (P.O.C. And P.P.C. Valve Line 2/7)
| 01***10 | Bolt,(With Joy Stick Steering) | 4 |
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (P.O.C. And P.P.C. Valve Line 3/7)
| 01***85 | Bolt,(Used With Pin Puller) | 2 |
| 01***30 | Screw | 2 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (P.P.C. Valve Line 4/7)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 3 |
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (P.P.C. Valve Line 5/7)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (P.P.C. Valve Line 6/7)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (P.P.C. Valve Line 7/7)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Pump Drain)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Pump To Demand Valve 1/3)
| 01***60 | Capscrew | 8 |
| 01***80 | Bolt | 3 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Pump To Demand Valve 2/3)
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 6 |
| 01***55 | Bolt,(For Shipping) | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Pump To Demand Valve 3/3)
| 01***45 | Bolt,(With Water Separator Type) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Pump To Demand Valve 3/3) (With Emergency Steering Kit)
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 8 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump 1/2)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***50 | Bolt,(For D60pl) | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump 2/2)
| 01***50 | Bolt,(For D60pl) | 8 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Hydraulic Tank
| 01***55 | Bolt, Fuel Tank Mounting | 8 |
| 01***65 | Capscrew (1) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Lift Cylinder
| 01***65 | Bolt - Battery Box | 6 |
| 01***00 | Bolt | 12 |
| 01***80 | Washer,(For Shipping) | 12 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (1/11)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***60 | Bolt, Trunnion Cap | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (2/11)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***35 | Screw | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (3/11)
| (****2) | Impeller | 1 |
| (****5) | Washer | 8 |
| (****0) | Screw | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (4/11)
| 01***35 | Screw | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***65 | O-Ring,Shaft | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (5/11)
| 07***12 | Plug,Taper | 1 |
| 70***03 | Pump Ass'Y (Bar25) | 1 |
| 70***51 | Strainer, Strainer; Komatsu S/N 22001 & Abv. - Was 704-28-02751 | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (Relief Valve) (6/11)
| 07***10 | O-Ring | 1 |
| 07***34 | O-Ring,(F2320-62a0 -7 ) | 1 |
| 70***50 | Nut | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (Servo Valve? Front 1/3) (7/11)
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
| 07***09 | O-Ring | 2 |
| 07***10 | O-Ring | 5 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (Servo Valve? Front 2/3) (8/11)
| 70***01 | Valve Subassembly, Servo | 1 |
| (****9) | Washer, Spring | 6 |
| (****0) | Bolt | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (Servo Valve? Front 3/3) (9/11)
| 70***11 | Valve Assembly, Engine Sensing | 1 |
| (****2) | Body Ass'Y | 1 |
| (****9) | Washer, Spring | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (Servo Valve? Rear 1/2) (10/11)
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
| 07***09 | O-Ring | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Loader Pump (Servo Valve? Rear 2/2) (11/11)
| 70***01 | Valve Ass'Y, Servo, Rear | 1 |
| 70***01 | Valve Subassembly, Servo | 1 |
| (****9) | Washer, Spring | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : P.P.C. Valve
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***12 | Plug,Taper | 5 |
| 70***50 | Ring,Snap | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Relief Valve
| 01***05 | Nut (Welded) | 1 |
| 07***32 | O-Ring,Drain Plug? Main Clutch | 1 |
| 07***15 | O-Ring,Regulator Valve | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Steering Pump (1/4)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***30 | Bolt,(Cold Terrain Spec.) | 8 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Steering Pump (2/4)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***35 | Screw | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Steering Pump (3/4)
| (****2) | Impeller | 1 |
| (****5) | Washer | 8 |
| (****0) | Screw | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Steering Pump (4/4)
| 01***30 | Bolt,Radio Controlled Slag Handling | 2 |
| 01***35 | Screw | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (1/12)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 2 |
| 01***60 | Bolt, Trunnion Cap | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (2/12)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***35 | Screw | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (3/12)
| (****2) | Impeller | 1 |
| (****5) | Washer | 8 |
| (****0) | Screw | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (4/12)
| 01***35 | Screw | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***65 | O-Ring,Shaft | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (5/12)
| 07***12 | Plug,Taper | 1 |
| 70***03 | Pump Ass'Y (Bar25) | 1 |
| 70***51 | Strainer, Strainer; Komatsu S/N 22001 & Abv. - Was 704-28-02751 | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (Relief Valve) (6/12)
| 07***10 | O-Ring | 1 |
| 07***34 | O-Ring,(F2320-62a0 -7 ) | 1 |
| 70***50 | Nut | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (Servo Valve?Front 1/3) (7/12)
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
| 07***09 | O-Ring | 2 |
| 07***10 | O-Ring | 5 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (Servo Valve?Front 2/3) (8/12)
| 70***01 | Valve Subassembly, Servo | 1 |
| (****9) | Washer, Spring | 6 |
| (****0) | Bolt | 6 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (Servo Valve?Front 3/3) (9/12)
| 70***11 | Valve Assembly, Engine Sensing | 1 |
| (****2) | Body Ass'Y | 1 |
| (****9) | Washer, Spring | 8 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (Servo Valve?Rear 1/3) (10/12)
| 01***25 | Washer,Spring?For Additional Rear Lam | 4 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***09 | O-Ring | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (Servo Valve?Rear 2/3) (11/12)
| 70***20 | Valve Subassembly, Servo | 1 |
| (****0) | Plug | 1 |
| (****0) | Spring | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Switch Pump (Servo Valve?Rear 3/3) (12/12)
| 07***23 | O-Ring | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
| 70***20 | Valve Sub Ass'Y, C.O. And N.C | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Torque Converter And P.O.C. Pump (1/3)
| 04***42 | Pin,Dowel? Gear Case Cover | 4 |
| 04***20 | Ring, Snap | 1 |
| 70***10 | Seal, Oil | 1 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Torque Converter And P.O.C. Pump (2/3)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 01***45 | Washer, Spring | 4 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Torque Converter And P.O.C. Pump (3/3)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
Komatsu : Wa900-1(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Lever
| 01***16 | Bolt, Mounting Transmission Control Switch | 8 |
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***25 | Bolt - Relay Mounting | 2 |
WA900-1(S/N 10001-UP) serial number reference
On this generation the product identification plate sits on the right-hand (curb) side of the machine, behind the front fender, with a duplicate location on the right side under the operator's cab. Komatsu heavy wheel loaders of this era used a plain numeric serial number rather than a 3-letter alpha prefix, so reading the plate is mainly a matter of confirming the model designation printed on it (WA900-1) matches the numeric serial against the published S/N block for that exact model/variant. Siblings built in the same period used separate, non-overlapping numeric or alpha-numeric blocks (WA900-1L, WA900-1LC, WA900-3) rather than a shared prefix scheme, so the model designation on the plate is the key check, not the number format.
| Prefix | Identifies | Notes |
|---|---|---|
| 10001-UP | WA900-1 (base/standard wheel loader) | Plain numeric serial run starting at 10001, no alphabetic prefix on this base chassis (the WA900-1L sibling uses a separate A20001-A20007 block, and WA900-1LC a separate A20008-UP block). Covers the standard WA900-1 built roughly 1996 to 2003. The factory parts book for this exact S/N range specifies the SA12V140-1P engine: a 12-cylinder V-type, turbocharged, aftercooled diesel of roughly 30.5 L displacement. The wider SA12V140-1 engine family also powers other unrelated Komatsu machines (large dozers, rigid haul trucks, generator sets, drills) under different arrangement codes; only the -P code is documented for this loader, so do not carry over specs tied to those other arrangement codes. Large surface-mining class loader, roughly 13 cu m bucket class and around 95 tonne operating weight. |
Frequently asked questions
What engine does the Komatsu WA900-1 (S/N 10001-UP) use?
It uses a Komatsu SA12V140-series V12 turbocharged diesel, a 30.5-liter block with a 140 x 165 mm bore and stroke. Published output for this engine family on this serial range falls in a roughly 570-650-plus kW (770-870-plus hp) band depending on the specific arrangement fitted; check your data plate for the exact rating. This is a distinct engine from the SAA12V140E-3/-7 used on the later WA900-3 and WA900-8.
What is the operating weight of the WA900-1 (S/N 10001-UP)?
Factory literature for this serial range documents operating weight at roughly 94.7 t (about 208,800 lb / 104 US tons). Exact weight varies with bucket, counterweight, and tire configuration, so treat this as a class figure and verify it against your machine's own spec plate.
What replaced the Komatsu WA900-1?
Komatsu replaced it with the WA900-3 (S/N 50001-UP), a heavier machine at roughly 111,200 kg running a higher-output SAA12V140E-3 engine rated near 672 kW (900 hp) gross. That line has since continued through further emissions-tier updates into today's WA900-8.
What WA900-1(S/N 10001-UP) owners discuss
What do operators say about how this loader drives and how the hydraulics feel once warmed up?
Feedback from operators who ran this class of loader alongside similar-size competitors describes quick response and strong breakout force from the Z-bar loader linkage, with pilot-hydraulic (PPC) joystick controls giving noticeably lighter steering and implement effort than an equivalent mechanical-linkage machine. The common caveat: on a machine this size the hydraulic system needs real warm-up time before it responds crisply. Cold, thick oil gives sluggish boom and bucket response that some owners mistake for a pump problem when it simply isn't up to temperature yet.
Is there a known steering or joystick complaint on this generation?
Yes. At least one long-term operator who ran this loader in a quarry alongside a similar-size Caterpillar reported a persistent issue getting the pilot-operated joystick steering to feel right, and said neither the dealer nor the factory ever fully resolved it. That points to a calibration-sensitive steering valve and pilot circuit rather than a one-off defect. If joystick steering feels inconsistent, too light, or too heavy compared with factory feel, have your dealer verify pilot pressure and steering valve calibration before assuming a simple linkage adjustment will fix it.
What wear pattern should I expect on the tires and the articulation joint?
This is an articulated wheel loader, so the wear items that matter are the center-hinge pins and bushings and the axle oscillation bearings, not track undercarriage. At this weight class, point loading at the articulation joint accelerates pin and bushing wear fast if greasing intervals slip, and play there shows up as wander or a shimmy under load, so it is worth checking at every service. Tire wear is commonly uneven front to rear rather than matched. One machine offered for sale in this tire size had roughly half tread life remaining up front against well under a third at the rear, consistent with the scrub-steer pattern typical of big articulated loaders rather than a fault specific to this model.
What quirks does the engine on this series have?
This generation runs Komatsu's 12V140-series turbocharged V12 diesel. Published documentation for the base 10001-and-up serial range doesn't consistently confirm whether it carries an air-to-air aftercooler the way some related long-wheelbase siblings do, so treat exact output as configuration-dependent and check the engine data plate rather than assume a number off a generic spec sheet. The injection system on this series is a mechanical pump with an electronic-assist governor, not a full engine ECM, so it won't throw a diagnostic fault code the way later Tier-rated Komatsu engines do. Rough idle, smoke under load, or a power drop on this engine points to the injection pump, governor linkage, or turbo boost rather than a sensor fault. Given the size of the powerplant, a real warm-up and cool-down cycle matters for turbo bearing life.
What electrical or sensor issues come up on machines this age?
This machine predates full electronic engine and transmission control, so the wiring is comparatively simple: starting and charging circuit, analog gauge senders for coolant temperature, torque converter oil temperature and hydraulic oil temperature, and basic warning lamps. The issues reported for machines of this age and duty cycle are chafed or corroded harness connections in the engine bay and gauge readings drifting from actual temperature, not software or ECM faults. A gauge that reads oddly on this generation is normal to chase down as a sender or wiring issue rather than a sign of a bigger failure. Have your dealer verify the sender and harness before condemning the engine or torque converter over a suspect gauge reading.
What structural or cylinder wear points come up after years of hard use?
Owners running this size of loader in quarry and mining duty watch the boom and bucket cylinder rod seals for weeping, and the loader linkage pins and bushings for play. Frame and boom stress cracking near high-load weld areas is the other item that shows up after years of heavy cycling. None of this is unique to this model; it is the standard wear picture for any large Z-bar articulated loader worked hard for years, so it belongs on every inspection rather than being treated as a red flag by itself.
What should I check before buying a used one?
Confirm the actual serial number against the machine's data plate before trusting any spec sheet, parts lookup, or sale listing description. This size class was built in several closely related configurations, short versus long wheelbase and different engine/bucket pairings among them, and listings routinely mix them up. Beyond that, treat it like any large, low-population used loader: pull an oil sample and check for blow-by on the engine instead of trusting hours alone, check the center articulation pins and axle oscillation bushings for play, inspect every boom and bucket cylinder for rod seal weeping, and compare tire wear side to side and front to rear against what you're shown. Ask for any maintenance or oil-sample history the seller has. So few of these are still working and documented that a hands-on pre-purchase inspection by someone who has actually run this class of machine is worth more than paperwork, and have your dealer verify serial-range-specific parts and service bulletins before you commit.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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