Komatsuwheel loadersmall ( - wa120 / sk*)
Komatsu WA40-3(S/N 10001-18999)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WA40-3 is a compact wheel loader in the 4-ton class, manufactured from 1989 to 1996. It replaces the WA40-1 and precedes the WA40-6. The machine weighs 3,055 kg (6,735 lb) and is powered by a Komatsu S3D84-2 three-cylinder diesel engine producing 27.2 kW (37 PS) at 2,800 rpm. It features a 0.5 m³ (0.65 cu yd) standard bucket, ATC steering, and a 42-liter fuel tank. Configurations include canopy and cab options, with tire sizes typically 15.5/60-18.
The WA40-3 introduced a more compact frame and refined hydraulic system compared to the WA40-1, optimizing maneuverability for tight jobsites. It is reliable in the used market as a low-hour utility loader for municipal and agricultural work. Its simple mechanical design and accessible S3D84 engine make it a favorite for parts cannibalization and independent repair, sustaining its value long after production ended.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu WA40-3(S/N 10001-18999) specifications
Engine
| Model | S3D84-2 |
| Rated Output | 27.2 kW (37 PS) at 2800 rpm |
| Displacement | 1.4 L |
| Cylinders | 3 |
| Bore x Stroke | 84 x 86 mm |
Weights
| Operating Weight | 3055 kg (6735 lb) |
Dimensions
| Overall Length | 4265 mm (14 ft 0 in) |
| Overall Width | 1655 mm (5 ft 5 in) / 1670 mm (5 ft 6 in) |
| Overall Height | 1900 mm (6 ft 3 in) |
| Wheelbase | 1850 mm (6 ft 1 in) |
| Tread | 1250 mm (4 ft 1 in) |
| Min Turning Radius | 3210 mm (10 ft 6 in) |
| Dumping Clearance | 2435 mm (8 ft 0 in) |
| Dumping Reach | 775 mm (2 ft 7 in) |
Performance
| Max Travel Speed (Fwd) | 15.0 km/h (9.3 mph) |
| Max Travel Speed (Rev) | 15.0 km/h (9.3 mph) |
| Transmission | 2/2 F/R |
| Steering Type | ATC |
Service capacities (summary)
| Fuel Tank | 42 L (11.1 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu WA40-3(S/N 10001-18999) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the WA40-3(S/N 10001-18999) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA oil analysis at every 500-hour interval to monitor engine wear metals and hydraulic contamination. Check coolant SCA concentration at 500 hours to prevent cavitation in the S3D84-2 engine block. Monitor hydraulic oil particle count to detect pump wear early. Track fuel dilution in engine oil to identify injector or piston ring issues before catastrophic failure occurs on this compact powertrain.
Corrective & Common Repairs
Address S3D84-2 engine oil leaks at the rear main seal and turbocharger oil lines, common failures in high-hour units. Replace hydraulic return filters at 500 hours to protect the load-sensing valve. Inspect ATC steering cylinder seals for external leaks that cause wandering. Check the 15.5/60-18 tire bead seats for corrosion, a frequent issue on compact loaders used in wet conditions, leading to sudden deflation.
Overhaul & Rebuild Points
Plan for S3D84-2 engine overhaul around 10,000 hours, focusing on piston rings and valve seats due to high compression ratios. Inspect the torque converter for slippage and turbine wear at 8,000 hours. Check final drive planetary gears for pitting at 10,000 hours. The hydraulic pump swash plate and piston block are critical wear items; replace them if flow loss exceeds 10% to maintain bucket curl force.
Seasonal & Environment Servicing
In cold weather, drain the fuel separator daily to prevent waxing in the S3D84-2 injection system. Use Komatsu Super Coolant AF-NAC to protect the aluminum radiator and oil cooler from freezing. In dusty environments, clean the radiator fins daily to prevent overheating. Check the battery electrolyte level and charge state frequently in cold climates, as cold cranking amps drop significantly below 0°C (32°F).
WA40-3(S/N 10001-18999) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM129100-55650 | Element,Fuel Filter | Fuel system service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 363-18-31470 | Element,Hydraulic | Scheduled service item | Check fitment → |
| 08036-01414 | Clip,(For Add.Filter)(Except Japan) | Scheduled service item | Check fitment → |
| YM171058-12510 | Element | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WA40-3(S/N 10001-18999) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power failure | ECM power connection fault, blown fuse, or ground wire issue | Inspect ECM power connections, fuses, and ground wires |
| E11 | Engine protection—output power reduced | High coolant temperature, low oil pressure, or clogged air filter | Check coolant temperature, oil pressure, and air filter condition |
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA441 | Battery voltage too low | Weak battery, failing alternator, or loose connections | Replace the alternator or battery; check the voltage regulator |
| CA442 | Battery voltage too high | Faulty voltage regulator or alternator overcharging | Replace the alternator or battery; check the voltage regulator |
| AA10NX | Air cleaner clogging | Dirty or blocked air filter element | Replace the air filter |
| B@BCNS | Engine coolant overheating | Low coolant level, failed fan belt, or blocked radiator fins | Check radiator fins, fan belt, and coolant level |
| B@HANS | Hydraulic oil overheating | Contaminated hydraulic oil, clogged filter, or cooler fan failure | Change hydraulic filter and oil; check cooler fan operation |
| AB00KE | Charging voltage too low | Alternator malfunction or loose drive belt | Replace the alternator or tighten the belt |
| A570NX | Engine oil filter clogging | Clogged engine oil filter element | Replace filter element |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
WA40-3(S/N 10001-18999) attachments & work tools
Standard Buckets
The standard bucket capacity is 0.5 m³ (0.65 yd³). Typical sizes for this class range from 0.5 to 0.6 m³ (0.65 to 0.78 yd³). Mounting uses the standard loader pin-on system. No additional hydraulic kits are required for standard bucket operation.
Quick Couplers
Factory or dealer-installed quick couplers allow for rapid tool changes. These systems utilize the machine's existing hydraulic lines. Hydraulic flow requirements vary by configuration/series depending on the coupler design.
Hydraulic Attachments
Attachments such as grapples or mulchers require auxiliary hydraulic circuits. The WA40-3 utilizes a front attachment service hydraulic circuit for these tools. Installation may require additional spool valves and power beyond ports.
Specialty Buckets
Options include multi-blade and spike buckets for specific material handling. These buckets mount via the standard loader linkage. Capacity and dimensions vary by configuration/series based on the specific application.
Guarding and Safety
Factory configurations include safety bars and canopy options. Rear window equipment is available for cab-equipped models. Seat belts are standard with adjustable length features.
All WA40-3(S/N 10001-18999) assemblies by section
Every catalogued assembly group for the Komatsu WA40-3(S/N 10001-18999). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessory And Tool
Komatsu : Wa40-3(S/N 10001-18999) : Accessory And Tool : Spare Parts
| 07***65 | O-Ring,Injection Pump Case | 1 |
| 36***70 | Element,Hydraulic | 1 |
| YM***50 | Cartridge,Engine | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Accessory And Tool : Tool
| 09***12 | Wrench? 10x12 | 1 |
| 09***17 | Wrench? 14x17,14x17 | 1 |
| 09***22 | Wrench? 19x22,19x22 | 1 |
Cooling System
Komatsu : Wa40-3(S/N 10001-18999) : Cooling System : Radiator And Piping (Livestock Raising Spec.)(#13530-18999)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
Komatsu : Wa40-3(S/N 10001-18999) : Cooling System : Radiator And Piping(#10001-12550)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Cooling System : Radiator And Piping(#12551-13529)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***25 | Bolt - Relay Mounting | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Cooling System : Radiator And Piping(#13530-18999)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***12 | Bolt,(With Speedometer) | 6 |
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
Electrical System
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Battery
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***07 | Nut,Lock | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Electrical System (Front Line)(#10001-12550)
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Electrical System (Front Line)(#12551-18999)
| 01***16 | Bolt, Mount Solenoid Valve | 8 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Electrical System (Main Line)(#10001-13529)
| 01***20 | Screw | 2 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 1 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 8 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Electrical System (Main Line)(#13530-18999)
| 01***20 | Screw | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 11 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Electrical System (Rear Line)(#10001-12550)
| 01***35 | Screw, Mount Lens | 8 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Electrical System (Rear Line)(#12551-18999)
| 01***35 | Screw, Mount Lens | 8 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Instrument Panel(#10001-13419)
| 01***08 | Screw | 2 |
| 01***14 | Screw,(With Joy Stick Steering) | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Electrical System : Instrument Panel(#13420-18999)
Engine Related Parts
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Air Cleaner Connection
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 07***89 | Clamp,(D31s) | 1 |
| 07***09 | Clamp,(See Fig. K0210-16a0) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Air Cleaner Connection (With Seat Belt)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 07***89 | Clamp,(D31s) | 1 |
| 07***09 | Clamp,(See Fig. K0210-16a0) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Damper
| 01***40 | Bolt,Reamer | 6 |
| 04***12 | Pin,Spring (See Fig.0201) | 6 |
| 20***10 | Rubber | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Engine Mounting Parts
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 6 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Engine Related Parts(#10001-13529)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 07***23 | O-Ring,(F4350-61a1b-29 ) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Engine Related Parts(#13530-18999)
| 01***30 | Bolt,(Not Used When Towing Winch) | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 1 |
| 07***23 | O-Ring,(F4350-61a1b-29 ) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Exhaust Connection(#10001-13529)
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Engine Related Parts : Exhaust Connection(#13530-18999)
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 1 |
Fuel Tank And Related Parts
Komatsu : Wa40-3(S/N 10001-18999) : Fuel Tank And Related Parts : Fuel Line
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***60 | Bolt - Upper Cooler Inlet Tubemounting | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Fuel Tank And Related Parts : Fuel Tank And Piping(#10001-15241)
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***12 | Screw,(Additional Sun Visor) | 5 |
| 01***95 | Bolt | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Fuel Tank And Related Parts : Fuel Tank(#15242-18999)
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***12 | Screw,(Additional Sun Visor) | 5 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 5 |
Guard
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Additional Counter Weight (With Fork)
| 01***55 | Capscrew | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Counter Weight
| 01***90 | Bolt | 2 |
| 01***90 | Bolt,(For 24.00-49) | 2 |
| 01***90 | Bolt | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood (Seat Belt)(#10001-16782)
| 01***20 | Screw | 4 |
| 01***10 | Screw (Op) | 3 |
| 01***20 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood (Seat Belt)(#16783-18999)
| 01***20 | Screw | 4 |
| 01***20 | Screw | 4 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood (With Car Heater And Defrostor)(#10001-13529)
| 01***20 | Screw | 4 |
| 01***10 | Screw (Op) | 3 |
| 01***20 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood (With Car Heater And Defrostor)(#13530-18999)
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood Stay And Lock
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood Stay And Lock (Seat Belt)(#10001-16782)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood Stay And Lock (Seat Belt)(#16783-18999)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood(#10001-13529)
| 01***20 | Screw | 4 |
| 01***20 | Screw | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Engine Hood(#13530-18999)
| 01***20 | Screw | 4 |
| 01***20 | Screw | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Noise Abatement Parts (Seat Belt)(#10001-16782)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 36***51 | Sheet | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Noise Abatement Parts (Seat Belt)(#16783-18999)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 36***51 | Sheet | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Guard : Noise Abatement Parts(#13530-18999)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 36***51 | Sheet | 1 |
Hydraulic System
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Delivery Line)(#10001-12550)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***50 | Bolt (Kit) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Delivery Line)(#12551-14971)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Delivery Line)(#14972-18999)
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 5 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Front Attachment Line)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***07 | Nut,(With Body Positioner) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Lift And Dump Cylinder Line) (With 0.5m3 And Snow Bucket)
| 01***40 | Bolt,(Shim 3-Piece) | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 07***18 | O-Ring, Divider Valve Mounting | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Lift And Dump Cylinder Line) (With Others Bucket? Fork And Front Attachment)
| 01***40 | Bolt,(Shim 3-Piece) | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
| 07***18 | O-Ring, Divider Valve Mounting | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Return Line)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 8 |
| 07***18 | O-Ring, Divider Valve Mounting | 1 |
| 07***34 | O-Ring,(For Front Attachment) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Piping (Steering Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Hydraulic System : Hydraulic Tank
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Main/Revolving Frame And Related Parts
Komatsu : Wa40-3(S/N 10001-18999) : Main/Revolving Frame And Related Parts : Front Frame (With Front Attachment)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***55 | Bolt,(Not Used For Chip Dozer) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Main/Revolving Frame And Related Parts : Front Frame(#10001-12550)
| 01***80 | Bolt | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Main/Revolving Frame And Related Parts : Front Frame(#12551-18999)
| 01***80 | Bolt,(B) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Main/Revolving Frame And Related Parts : Rear Frame(#10001-12550)
| 01***80 | Bolt | 4 |
| 01***50 | Bolt,(For Strengthened Cover) | 8 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Main/Revolving Frame And Related Parts : Rear Frame(#12551-18999)
| 01***80 | Bolt,(B) | 4 |
| 01***50 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
Marks And Plates
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Cab) (English)(#10001-13531)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***80 | Plate? Mark,Komatsu? Front | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Cab) (English)(#13532-15690)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***50 | Plate? Mark,Komatsu | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Cab) (English)(#15691-16843)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Cab) (English)(#16844-18999)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Canopy) (English)(#10001-13531)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***80 | Plate? Mark,Komatsu? Front | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Canopy) (English)(#13532-15690)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 09***50 | Plate? Mark,Komatsu | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Canopy) (English)(#15691-16843)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Marks And Plates : Marks And Plates (With Canopy) (English)(#16844-18999)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***41 | Plate? Safety,Articulate Lock | 1 |
| 09***41 | Plate? Safety,Keep Out | 2 |
Operator'S Compartment And Control System
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : (Seat Belt)(#10001-16782)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***45 | Bolt,(With Water Separator Type) | 1 |
| 01***14 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : (Seat Belt)(#16783-18999)
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***06 | Nut | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Accelerator Pedal And Linkage
| 01***16 | Bolt - Box Mounting | 3 |
| 01***25 | Screw | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Brake Pedal And Linkage (1/2)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 6 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
| 01***08 | Nut, Lock | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Brake Pedal And Linkage (2/2)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Cab Mounting Parts(#10001-12386)
| 01***40 | Bolt, Mount Master Brake Cylinder | 6 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Cab Mounting Parts(#12387-18999)
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***55 | Bolt, Mount Lh Bracket | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Canopy(#10001-12550)
| 01***55 | Bolt, Mount Lh Bracket | 6 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 8 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Canopy(#12551-18999)
| 01***55 | Bolt - Mount Cage To Transmission Case | 6 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 16 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Car Heater And Defroster (1/2) (Car Heater And Heater Piping)
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Car Heater And Defroster (2/2) (Air Hose And Wiring)(#10001-13529)
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Car Heater And Defroster (2/2) (Air Hose And Wiring)(#13530-18999)
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Floor Frame (With Cab)
| 01***14 | Screw | 2 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Floor Frame (With Canopy)
| 01***14 | Screw | 2 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Floor Frame (Without Canopy And Cab)(#10001-13531)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
| 01***16 | Screw,(For Joy Stick Steering) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Floor Frame (Without Canopy And Cab)(#13532-18999)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***14 | Screw | 2 |
| 01***12 | Screw,(Wa320-1m?1p) | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Forward And Reverse Control Lever
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 2 |
| 36***60 | Shift Lever Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (1/7) (Cab And Front Window)(#10001-14188)
| 01***40 | Bolt | 1 |
| 01***30 | Screw | 2 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (1/8) (Cab And Front Window)(#14189-18999)
| 01***40 | Bolt - M6 X 40lg | 1 |
| 01***20 | Screw | 4 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (2/7) (Roof And Room Mirror)(#10001-14188)
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (2/8) (Roof And Room Mirror)(#14189-18999)
| 01***12 | Screw,(Additional Sun Visor) | 8 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 8 |
| 01***08 | Washer,(Not Used For Cold Weather) | 8 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (3/7) (Side Window)(#10001-14188)
| 01***16 | Screw | 8 |
| 01***12 | Screw | 16 |
| 01***16 | Screw | 7 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (3/8) (Side Window)(#14189-18999)
| 01***16 | Screw | 2 |
| 01***12 | Screw | 4 |
| 01***16 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (4/7) (L.H. And R.H. Door) (Push Button Type)(#10001-12386)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 6 |
| 01***16 | Screw | 1 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (4/7) (L.H. And R.H. Door) (Turn Handle Type)(#12387-14188)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 2 |
| 01***10 | Screw,R.H. Door | 2 |
| 01***30 | Screw | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (4/8) (L.H. And R.H. Door) (Turn Handle Type)(#14189-18999)
| 01***20 | Screw | 2 |
| 01***10 | Screw,R.H. Door | 2 |
| 01***25 | Screw | 16 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (5/7) (L.H. And R.H. Door Lock) (Turn Handle Type)(#12387-14188)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 6 |
| 01***16 | Screw,(With Ashtray) | 2 |
| 01***16 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (5/8) (L.H. And R.H. Door Lock) (Turn Handle Type)(#14189-18999)
| 01***20 | Screw | 6 |
| 01***16 | Screw,(With Ashtray) | 2 |
| 01***16 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (6/7) (Rear Door)(#10001-14188)
| 01***12 | Bolt | 4 |
| 01***10 | Screw,(For Lighter) | 8 |
| 01***10 | Screw,(For Wiper Switch Earth) | 7 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (6/8) (Rear Door)(#14189-18999)
| 01***16 | Screw | 4 |
| 01***10 | Screw,(For Lighter) | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 5 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (7/7) (Electrical System)(#10001-14188)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 2 |
| 01***08 | Screw - Holder | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (7/8) (Electrical System)(#14189-18999)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 2 |
| 01***08 | Screw - Holder | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Cab (8/8) (Switch And Lamp)(#14189-18999)
| 01***12 | Screw | 2 |
| 08***08 | Grommet,(Without Beacon Lamp) | 5 |
| 09***08 | Cap,(For Ripper Or Rear Hydraulic. Take) | 8 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Operator'S Seat
| 01***06 | Nut | 4 |
| 36***00 | Seat Ass'Y | 1 |
| 36***01 | Seat Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Parking Brake Lever And Linkage (1/2)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Parking Brake Lever And Linkage (2/2)
| 01***25 | Bolt - Relay Mounting | 2 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 2 |
| 01***23 | Washer,(With Car Heater) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Steering Wheel And Column
| 01***45 | Bolt, Mounting Cranking Motor | 1 |
| 01***15 | Bolt | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Window Washer(#10001-13531)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 36***10 | Bracket | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Window Washer(#13532-18999)
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 36***60 | Bracket | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (1/2)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***25 | Screw | 1 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (1/2) (With Front Attachment)(#10001-12250)
| 01***25 | Screw | 2 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (1/2) (With Front Attachment)(#12251-18999)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***25 | Screw | 1 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (2/2)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 5 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Operator'S Compartment And Control System : Work Equipment Control Lever And Linkage (2/2) (With Front Attachment)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 3 |
S3d84-2ba Engine S/N 3826-Up
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Air Cleaner
| YM***00 | Baffle | 1 |
| YM***10 | Element | 1 |
| YM***60 | Pan,Dust | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Air Intake Manifold And Connection
| YM***01 | Heater,Intake Air | 1 |
| YM***00 | Manifold,Air Intake | 1 |
| YM***52 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Alternator (40a)
| YM***50 | Brush Ass'Y | 1 |
| YM***00 | Retainer,Bearing | 1 |
| YM***70 | Diode Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Alternator And Mounting (40a)
| YM***02 | Nut | 1 |
| YM***50 | Bolt | 1 |
| YM***30 | Plate,Adjust | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Camshaft And Tappet
| YM***80 | Camshaft Ass'Y | 1 |
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***80 | Parallel Pin | 1 |
| YM***00 | Crankshaft Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Cylinder Block
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***20 | Plug,Drain(Without Oil Cooler Type) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Cylinder Head
| YM***30 | Valve,Exhaust | 3 |
| YM***80 | Retainer, Spring | 6 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Engine Stop Motor And Mounting
| YM***80 | Ring,Snap | 1 |
| YM***00 | Pin,Cotter | 1 |
| YM***90 | Washer | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Exhaust Manifold And Turbocharger
| YM***22 | Stud | 3 |
| YM***02 | Stud | 2 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Flywheel
| YM***00 | Gear,Ring | 1 |
| YM***02 | Screw | 6 |
| YM***80 | Parallel Pin | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Front Cover
| YM***02 | Bolt Plated | 2 |
| YM***10 | Washer,Seal | 4 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Fuel Filter And Piping
| YM***70 | Union | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***51 | Check Valve Ass'Y,Joint | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Governor) (1/2)
| YM***00 | Spring, Regulator | 1 |
| YM***02 | Lever Ass'Y,Stop | 1 |
| YM***10 | Pin,Stop Lever | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Governor) (2/2)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***90 | Shaft,Governor Lever | 1 |
| YM***50 | Angleich Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Pump) (1/2)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump (Pump) (2/2)
| YM***70 | Retainer, Spring | 3 |
| YM***02 | Screw | 2 |
| YM***00 | Valve,Delivery | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Fuel Injection Pump And Piping
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***30 | Bolt | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Fuel Nozzle And Spill Hose
| YM***20 | Spring | 1 |
| YM***00 | Fuel Injection Nozzle, Assembly | 1 |
| YM***00 | Fuel Nozzle Ass'Y | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Gasket Kit
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***01 | Gasket (Kit) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Lubricating Oil Cooler
| YM***01 | Oil Cooler Ass'Y | 1 |
| YM***00 | Clamp | 4 |
| YM***60 | Gasket | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Lubricating Oil Filter
| YM***50 | Nut | 1 |
| YM***50 | Cartridge,Engine | 1 |
| YM***00 | Valve | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Lubricating Oil Pump
| YM***41 | Gasket (Kit) | 1 |
| YM***20 | Gasket,Lubricating Oil Pump | 1 |
| YM***52 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Muffler And Mounting
| YM***22 | Screw | 2 |
| YM***22 | Stud | 8 |
| YM***01 | Gasket (Kit) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Oil Pan
| YM***70 | Oil Pan Ass'Y | 1 |
| YM***40 | Plug | 1 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Piston And Connecting Rod
| YM***20 | Piston Ass'Y | 3 |
| YM***00 | Screw | 2 |
| YM***00 | Crank Pin Metal A. (Std) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Rocker Arm
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
| YM***50 | Rocker Arm Ass'Y | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Starting Motor (2kw)
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***20 | Housing,Center | 1 |
| YM***40 | Field Coil Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Starting Motor And Mounting (2kw)
| YM***52 | Bolt Plated | 2 |
| (Y***0) | Starting Motor Ass'Y,(2kw)(See Fig.0661) | 1 |
| (Y***1) | Starting Motor Ass'Y,(See Fig.A6210-B0a1) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Timer? Relay And Cable
| YM***00 | Relay, Safety | 1 |
| YM***40 | Cable,Engine Side | 1 |
| YM***60 | Cable,Engine Side | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Turbocharger
| YM***20 | Shield,Heat | 1 |
| YM***80 | Housing Ass'Y,Blower | 1 |
| YM***25 | Housing Ass'Y,Turbine | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Turbocharger Lubricating Oil Piping
| YM***01 | Pipe,Outlet | 1 |
| YM***10 | Washer,Seal | 2 |
| YM***60 | O-Ring (Kit) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Water Pump And Cooling Fan
| YM***02 | Bolt Plated | 2 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***02 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84-2ba Engine S/N 3826-Up : Water Separator
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
S3d84e-3b Engine S/N 00101-Up
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Air Cleaner (Forwerded Individually Parts)
| YM***00 | Baffle | 1 |
| YM***10 | Element | 1 |
| YM***60 | Pan,Dust | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Air Intake Manifold
| YM***01 | Heater,Intake Air | 1 |
| YM***00 | Manifold,Air Intake | 1 |
| YM***52 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Alternator (40a) (Inner Parts)(#00101-020304)
| YM***50 | Brush Ass'Y | 1 |
| YM***00 | Retainer,Bearing | 1 |
| YM***70 | Diode Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Alternator (40a) (Inner Parts)(#020305-)
| YM***20 | Rear Bracket Ass'Y | 1 |
| YM***30 | Front Bracket Ass'Y | 1 |
| YM***00 | Rotor Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Alternator And Mounting (40a)
| YM***02 | Nut | 1 |
| YM***50 | Bolt | 1 |
| YM***30 | Plate,Adjust | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Camshaft And Tappet
| YM***80 | Camshaft Ass'Y | 1 |
| YM***01 | Gear Ass'Y,Camshaft | 1 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Crankshaft
| YM***00 | Gear,Crank | 1 |
| YM***80 | Parallel Pin | 1 |
| YM***10 | Spring Pin | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Cylinder Block
| YM***20 | Screw | 8 |
| YM***00 | Plug | 2 |
| YM***60 | Cylinder Block Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Cylinder Block Accsessory
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***00 | Gauge,Oil Level | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Cylinder Head
| YM***30 | Valve,Exhaust | 3 |
| YM***31 | Gasket,Head (Kit) | 1 |
| YM***80 | Retainer, Spring | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Cylinder Head Cover
| YM***20 | Cover, Breather | 1 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***70 | Splash-Guard | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Drive Gear
| YM***02 | Nut | 1 |
| YM***01 | Idler Gear Ass'Y,Idler | 1 |
| YM***00 | Gear,Injection Pump | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Drive Gear (Epa Spec.)(#24817-)
| YM***02 | Nut | 1 |
| YM***01 | Idler Gear Ass'Y,Idler | 1 |
| YM***52 | Screw | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Electrical Parts(#03081-)
| YM***20 | Timer,Solenoid | 1 |
| YM***10 | Relay,Stop Solenoid | 1 |
| YM***00 | Relay, Safety | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Exhaust Manifold
| YM***10 | Manifold,Exhaust | 1 |
| YM***02 | Stud | 2 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Flywheel And Flywheel Housing
| YM***00 | Gear,Ring | 1 |
| YM***02 | Screw | 6 |
| YM***80 | Parallel Pin | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Front Cover
| YM***02 | Bolt Plated | 2 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***00 | Clip,Breather Hose | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Front Hanger
| YM***00 | Hook,Front | 1 |
| YM***42 | Screw | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Filter (Inner Parts)(#020305-)
| YM***10 | Cup, Strainer | 1 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***70 | Lever | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Filter (Inner Parts)(#03081-020304)
| YM***00 | O-Ring (Kit) | 1 |
| YM***70 | Lever | 1 |
| YM***80 | Cup, Strainer | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Filter And Piping(#03081-)
| YM***70 | Union | 1 |
| YM***51 | Check Valve Ass'Y,Joint | 1 |
| YM***90 | Spacer | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts) (Epa Spec.)(#24817-)
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#03081-)
| YM***40 | Lever,Control | 1 |
| YM***30 | Spacer,Lever Shaft | 1 |
| YM***02 | Nut | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts) (Epa Spec.)(#24817-)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***00 | Washer,Spring | 1 |
| YM***40 | Link? L=30.5,L=30.5 (Mark 05) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#03081-)
| YM***01 | Weight Assembly., Governor | 1 |
| YM***00 | Washer,Spring | 1 |
| YM***40 | Link? L=30.5,L=30.5 (Mark 05) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts) (Epa Spec.)(#24817-)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#03081-)
| YM***50 | Kit, Shim | 1 |
| YM***10 | Plate? Caution | 1 |
| YM***50 | Cover,Side | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts) (Epa Spec.)(#24817-)
| YM***70 | Retainer, Spring | 3 |
| YM***02 | Screw | 2 |
| YM***00 | Valve,Delivery | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#03081-)
| YM***70 | Retainer, Spring | 3 |
| YM***02 | Screw | 2 |
| YM***00 | Valve,Delivery | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump And Piping (Epa Spec.)(#24817-)
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***22 | Pipe,Injection? No.2 | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Injection Pump And Piping(#03081-)
| YM***20 | Retainer, Pipe | 1 |
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***22 | Pipe,Injection? No.2 | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Fuel Nozzle And Spill Hose
| YM***20 | Spring | 1 |
| YM***00 | Fuel Nozzle Ass'Y | 3 |
| YM***00 | Fuel Injection Nozzle, Assembly | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Gasket Kit
| YM***60 | O-Ring,Fuel Injection Pump | 1 |
| YM***31 | Gasket,Head (Kit) | 1 |
| YM***20 | Gasket,Water Pump | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Lubricating Oil Cooler(#03081-)
| YM***00 | Clamp | 4 |
| YM***60 | Gasket | 1 |
| YM***40 | Pin,Spring | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Lubricating Oil Pump
| YM***00 | Oil Pump Ass'Y | 1 |
| YM***41 | Gasket (Kit) | 1 |
| YM***20 | Gasket,Lubricating Oil Pump | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Muffler And Mounting
| YM***02 | Screw | 4 |
| YM***10 | Cover | 1 |
| YM***31 | Muffler | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Oil Filter
| YM***50 | Nut | 1 |
| YM***00 | Valve | 1 |
| YM***02 | Plug | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Oil Pan
| YM***70 | Oil Pan Ass'Y | 1 |
| YM***40 | Plug | 1 |
| YM***02 | Screw | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Piston And Connecting Rod
| YM***00 | Screw | 2 |
| YM***00 | Crank Pin Metal A. (Std) | 1 |
| YM***00 | Piston Ass'Y | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Rear Hanger
| YM***00 | Hook,Front | 1 |
| YM***42 | Screw | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Rocker Arm
| YM***02 | Screw | 6 |
| YM***80 | Spring | 3 |
| YM***50 | Rocker Arm Ass'Y | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Starting Motor (Inner Parts)(#00101-020304)
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Starting Motor (Inner Parts)(#020305-)
| YM***50 | Pinion Ass'Y,Pinion | 1 |
| YM***20 | Housing,Center | 1 |
| YM***90 | Spring,Brush | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Starting Motor And Mounting
| YM***52 | Bolt Plated | 2 |
| (Y***1) | Starting Motor Ass'Y,(See Fig.A6210-B0a1) | 1 |
| (Y***2) | Starting Motor Ass'Y,(See Fig.A6210-B0a1a) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Surge Tank
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Turbocharger (Inner Parts)
| YM***20 | Shield,Heat | 1 |
| YM***80 | Housing Ass'Y,Blower | 1 |
| YM***25 | Housing Ass'Y,Turbine | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Turbocharger And Oil Piping
| YM***01 | Pipe,Outlet | 1 |
| YM***22 | Stud | 3 |
| YM***60 | O-Ring (Kit) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Water Pump And Cooling Fan (Epa Spec.)(#24817-)
| YM***02 | Bolt Plated | 2 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***02 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Water Pump And Cooling Fan(#03081-)
| YM***02 | Bolt Plated | 2 |
| YM***20 | Gasket,Water Pump | 1 |
| YM***02 | Screw | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : S3d84e-3b Engine S/N 00101-Up : Water Separator (Inner Parts)(#03081-)
| YM***00 | Gasket | 2 |
| YM***00 | O-Ring (Kit) | 1 |
| YM***50 | Plug,Air | 2 |
Service Kit And Component Parts
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 2-Spool Control Valve (1/2) (With Pressure Pick-Up Line)
| 36***20 | Spool Section Ass'Y | 1 |
| 36***50 | Valve Ass'Y | 1 |
| 42***60 | Inlet Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 2-Spool Control Valve (1/2)(#10001-12550)
| 36***10 | Valve Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
| 42***60 | Inlet Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 2-Spool Control Valve (1/2)(#12551-18999)
| 36***70 | Plate | 1 |
| 36***10 | Valve Ass'Y | 1 |
| 36***11 | Valve Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 2-Spool Control Valve (2/2)
| 36***70 | Plate | 1 |
| 36***50 | Spool Section Ass'Y | 1 |
| 36***30 | Stud,Tie | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 2-Spool Control Valve (2/2) (With Pressure Pick-Up Line)
| 36***50 | Spool Section Ass'Y | 1 |
| 36***30 | Stud,Tie | 2 |
| 36***40 | Stud,Tie | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (1/2) (With Pressure Pick-Up Line)
| 36***20 | Spool Section Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
| 36***60 | Valve Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (1/2)(#10001-12550)
| 36***20 | Spool Section Ass'Y | 1 |
| 36***10 | Valve Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (1/2)(#12551-18999)
| 36***70 | Plate | 2 |
| 36***20 | Spool Section Ass'Y | 1 |
| 36***20 | Spool Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 3-Spool C0ntrol Valve (2/2) (With Pressure Pick-Up Line)
| 07***18 | O-Ring, Divider Valve Mounting | 2 |
| 36***50 | Spool Section Ass'Y | 1 |
| 36***40 | Rod,Tie | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : 3-Spool Control Valve (2/2)
| 07***18 | O-Ring, Divider Valve Mounting | 2 |
| 36***70 | Plate | 1 |
| 36***50 | Spool Section Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Clam Cylinder (Inner Parts) (With Multipurpose Bucket)
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 07***55 | O-Ring,(F4350-62a1 -14 ) | 1 |
| 07***04 | Bushing | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Dump Cylinder (Inner Parts)
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Hydraulic Pump (Except Japan)(#10001-13529)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 70***00 | Pump Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Hydraulic Pump (Except Japan)(#13530-14971)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 70***70 | Pump Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Lift Cylinder (Inner Parts)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***24 | Nut,Bearing | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Gear Pump Inner Parts)(#10001-12550)
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Gear Pump Inner Parts)(#12551-14971)
| 02***37 | O-Ring | 1 |
| UC***09 | Bushing | 1 |
| UC***75 | Pump Ass'Y,Gear | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Gear Pump Inner Parts)(#14972-18999)
| 02***53 | O-Ring | 1 |
| UC***21 | Gear | 1 |
| UC***-0 | Pump Ass'Y,Gear | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Inner Parts)(#10001-10658)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Inner Parts)(#10659-10990)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Inner Parts)(#10991-11854)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Inner Parts)(#11855-12550)
| 01***40 | Bolt | 4 |
| 01***25 | Screw | 2 |
| 02***24 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Inner Parts)(#12551-14971)
| 01***25 | Screw | 2 |
| 02***88 | O-Ring | 1 |
| 36***00 | Pump Ass'Y,(A4vg28da-965-0) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Inner Parts)(#14972-18999)
| 01***25 | Screw | 2 |
| 36***02 | Pump Ass'Y,(A4vg28da-931-0) | 1 |
| UC***96 | Orifice | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Control And Cut-Off Valve)(#10001-12550)
| 01***12 | Bolt | 4 |
| 01***25 | Bolt | 2 |
| 02***15 | O-Ring | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Control And Cut-Off Valve)(#12551-18999)
| 02***15 | O-Ring | 2 |
| UC***07 | Bolt | 4 |
| UC***59 | Bolt | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Cover And Relief Valve)(#10001-10990)
| 02***09 | O-Ring | 2 |
| 02***75 | O-Ring | 1 |
| 41***60 | O-Ring,See Fig. K4010-05a0 | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Cover And Relief Valve)(#10991-12550)
| 02***09 | O-Ring | 2 |
| 02***75 | O-Ring | 1 |
| 41***20 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Cover And Relief Valve)(#12551-18999)
| 01***60 | Bolt | 4 |
| 02***09 | O-Ring | 2 |
| 02***88 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Leaning Cylinder)(#10001-10877)
| 01***12 | Bolt | 8 |
| 02***42 | O-Ring | 2 |
| UC***95 | Nut | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Leaning Cylinder)(#10878-12550)
| 01***12 | Bolt | 8 |
| 02***42 | O-Ring | 2 |
| UC***95 | Nut | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Leaning Cylinder)(#12551-18999)
| 01***20 | Bolt (Itl) | 8 |
| 02***09 | O-Ring | 1 |
| 02***51 | O-Ring (Kit) | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Rotary Group)(#10001-12550)
| 02***23 | O-Ring | 1 |
| 04***20 | Ring, Snap | 1 |
| UC***05 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Rotary Group)(#12551-14971)
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| UC***67 | Case Ass'Y,Seal | 1 |
| UC***09 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts) (Rotary Group)(#14972-18999)
| 04***12 | Ring, Snap (4) | 1 |
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| UC***98 | Plate,Control | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts)(#10001-10990)
| 01***70 | Bolt | 4 |
| 02***75 | O-Ring | 1 |
| 07***11 | O-Ring,(Tm8202-009) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts)(#10991-12550)
| 01***70 | Bolt | 4 |
| 02***75 | O-Ring | 1 |
| 07***11 | O-Ring,(Tm8202-009) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Main Pump (Piston Pump Inner Parts)(#12551-18999)
| 01***12 | Bolt | 11 |
| 02***09 | O-Ring | 2 |
| 41***80 | O-Ring | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Priority Valve
| 36***00 | Valve Ass'Y,Priority | 1 |
| 42***70 | Ball | 1 |
| 42***80 | Guide | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Rubber Antenna(#14189-18999)
| 19***10 | Rubber Antenna,(See Fig. Y1062-01a0) | 1 |
| 36***61 | Rubber Antenna | 1 |
| EP***03 | Spring Washer | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Service Kit
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 2 |
| 07***70 | O-Ring,(For Intake Air Cover) | 2 |
| 07***48 | O-Ring,(F4350-64a0 -21 ) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Steering Cylinder (Inner Parts)
| 01***16 | Nut,(Balancer) | 1 |
| 01***09 | Nut,(With Body Positioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Steering Valve
| 36***00 | Steering Valve Ass'Y | 1 |
| 36***20 | Control Ass'Y | 1 |
| 36***30 | Spring | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Travel Motor (Inner Parts) (Control Group)
| 01***35 | Bolt,Snap | 8 |
| 01***45 | Bolt | 4 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Travel Motor (Inner Parts)(#10001-10643)
| 04***30 | Ring, Snap, Snap-Ring | 1 |
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
| 36***00 | Motor Ass'Y,(A6v59da-998-0) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Service Kit And Component Parts : Travel Motor (Inner Parts)(#10644-18999)
| 04***30 | Ring, Snap, Snap-Ring | 1 |
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
| 36***01 | Motor Ass'Y,(A6v59da-998-1) | 1 |
Suspension And Wheel Related Parts
Komatsu : Wa40-3(S/N 10001-18999) : Suspension And Wheel Related Parts : Wheel And Tubeless Tire
| 09***20 | Cap, Tire Valve | 4 |
| 36***40 | Cap | 1 |
| 36***40 | Tire,(Tubeless) | 4 |
Torque Converter And Transmission
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Front Axle (Differential)
| 01***70 | Bolt, Spacer | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 7 |
| 01***20 | Screw | 14 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Front Axle (Final Drive? L.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Front Axle (Final Drive? R.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Front Axle And Wheel Munting Parts
| 01***40 | Bolt | 12 |
| 01***60 | Flat Washer - M20 (Hardened) | 12 |
| (3***0) | Front Axle Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Front Drive Shaft
| 36***00 | Drive Shaft Ass'Y,Front | 1 |
| 36***50 | Shaft | 1 |
| 41***20 | Spider Ass'Y | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Hst Control Line)(#10001-12550)
| 01***40 | Bolt,Reamer | 4 |
| 01***35 | Bolt | 2 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Hst Control Line)(#12551-18999)
| 01***35 | Bolt | 2 |
| 01***40 | Bolt,Reamer | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Main Line)(#10001-12550)
| 01***32 | Washer, (Without Emergency Steering) | 24 |
| 02***32 | Bolt,(With Joy Stick Steering) | 8 |
| 02***38 | Bolt,Radio Controlled Slag Handling | 16 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Main Line)(#12551-18999)
| 01***32 | Washer, (Without Emergency Steering) | 24 |
| 02***32 | Bolt,(With Joy Stick Steering) | 4 |
| 02***38 | Bolt,Radio Controlled Slag Handling | 16 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Oil Cooler Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 04***10 | Clip | 6 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Pump And Motor Drain Line)(#10001-12550)
| 04***10 | Ring, Retaining | 1 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Pump And Motor Drain Line)(#12551-18999)
| 04***10 | Ring, Retaining | 1 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Suction And Charge Line)(#10001-12550)
| 01***30 | Bolt,(For Mechanical Governor) | 12 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***00 | Bolt, Mount Back-Up Alarm | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Suction And Charge Line)(#12551-14971)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***30 | Bolt - M8 X 30lg | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Hst Piping (Suction And Charge Line)(#14972-18999)
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***00 | Bolt,(For Front Brake Release) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Rear Axle (Differential)
| 01***70 | Bolt, Spacer | 1 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 7 |
| 01***20 | Screw | 14 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Rear Axle (Final Drive R.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Rear Axle (Final Drive? L.H.)
| 01***65 | Bolt | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 04***12 | Pin, Spring | 3 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Rear Axle And Wheel Munting Parts
| 01***40 | Bolt | 12 |
| 01***60 | Flat Washer - M20 (Hardened) | 12 |
| (3***0) | Rear Axle Ass'Y | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Rear Drive Shaft
| 36***00 | Drive Shaft Ass'Y,Rear | 1 |
| 36***50 | Yoke | 1 |
| 41***20 | Spider Ass'Y | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Transfer (1/2)(#10001-12550)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 8 |
| 01***16 | Bolt | 1 |
| 04***20 | Pin,Dowel (Welded) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Transfer (1/2)(#12551-18999)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 8 |
| 01***16 | Bolt | 1 |
| 04***20 | Pin,Dowel (Welded) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Transfer (2/2)
| 01***12 | Bolt - M8 - 1.25 X 12 | 2 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***75 | Bolt - Tube Mounting | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Torque Converter And Transmission : Transfer Mounting Parts
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 1 |
| 01***05 | Capscrew | 5 |
| 01***10 | Nut,(Without Air Conditioner) | 2 |
Work Equipment
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Bucket Positioner(#10001-12550)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Bucket Positioner(#12551-18999)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Bucket Tooth
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 14 |
| 02***15 | Nut (Op) | 14 |
| 10***11 | Tooth (Op) | 7 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Bucket? 0.5m3
| 36***10 | Bucket | 1 |
| 36***20 | Edge (Welded) | 1 |
| 36***30 | Edge (Welded) | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Cutting Edge (For 0.5m3? 0.6m3? 1.0m3 Bucket)
| 01***45 | Washer,(For Travel Motor) (Not Show) | 7 |
| 02***50 | Bolt | 7 |
| 02***15 | Nut (Op) | 7 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Dumping Fork
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
| 36***10 | Fork,Dumping | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Lift Arm And Bellcrank
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 7 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 11 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Lumber Fork(#10001-12550)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 04***20 | Spring Pin | 2 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Lumber Fork(#12551-18999)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 04***20 | Spring Pin | 1 |
Komatsu : Wa40-3(S/N 10001-18999) : Work Equipment : Multi Coupler
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***10 | Nut,(Without Air Conditioner) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
WA40-3(S/N 10001-18999) serial number reference
The PIN plate is riveted to the right-hand side of the front frame, near the articulation joint. The prefix is the first three characters of the 17-character ISO PIN stamped on the plate.
| Prefix | Identifies | Notes |
|---|---|---|
| A | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'A' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| B | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'B' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| C | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'C' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| D | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'D' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| E | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'E' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| F | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'F' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| G | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'G' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| H | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'H' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| J | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'J' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| K | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'K' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| L | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'L' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| M | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'M' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| N | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'N' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| P | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'P' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| R | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'R' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| S | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'S' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| T | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'T' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| U | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'U' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| V | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'V' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| W | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'W' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| X | WA40-3-X (S/N 10001-18999) | Overseas Version. Prefix 'X' identifies the WA40-3-X S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| Y | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'Y' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
| Z | WA40-3 (S/N 10001-18999) | Overseas Version. Prefix 'Z' identifies the WA40-3 S/N 10001-18999. Not documented for this exact serial range — verify with your dealer. |
Frequently asked questions
What engine does the Komatsu WA40-3 use?
The Komatsu WA40-3 uses the Komatsu S3D84-2 three-cylinder diesel engine.
What is the operating weight of the Komatsu WA40-3?
The operating weight is 3,055 kg (6,735 lb).
What model replaced the Komatsu WA40-3?
The Komatsu WA40-6 replaced the WA40-3 in the lineup.
What WA40-3(S/N 10001-18999) owners discuss
What engine is installed in the Komatsu WA40-3 (S/N 10001-18999)?
The WA40-3 (S/N 10001-18999) is equipped with the Komatsu S3D84 engine. This is a 4-cylinder, 4.0-liter (244 cu in) diesel engine. Gross power is rated at 72 hp (54 kW). Note that some sources list the WA40-3 with the 4D88E engine; verify the specific engine plate on the machine, as configurations vary by production date and region. The S3D84 is the primary engine associated with the WA40-3 in lubricant and specification documentation for this serial range.
How does the hydraulic system behave when the machine is cold versus when it reaches operating temperature?
Hydraulic functions may operate normally when cold but become weak or slow as the oil warms up. This behavior indicates internal leakage in the hydraulic pump, main control valve, or cylinders, as viscosity decreases with heat. Check hydraulic oil level and condition first. If the oil is degraded or the wrong specification is used, performance will suffer. Measure system pressure and flow when cold and hot to confirm pump wear. Do not replace the pump based solely on temperature behavior; verify with pressure tests.
What are common undercarriage and tire wear patterns for this machine?
The WA40-3 uses 16.9-24-10PR (L2) tires as a standard configuration. Undercarriage wear is not applicable as this is a wheel loader. However, tire wear is accelerated in abrasive environments like quarries or aggregate handling. Check tire pressure daily. Uneven wear may indicate misalignment or suspension issues. For machines operating in snow or ice, snow tires or chains are required. The machine has a static tipping weight of approximately 10,869 lb (4,930 kg). Ensure the load does not exceed the rated operating capacity to prevent instability.
What are known electrical or sensor issues for the WA40-3?
Komatsu machines of this era rely on electronic control systems. Owners report intermittent starting, dashboard failures, or random shutdowns. These issues are often caused by faulty sensors, unstable power supply, or corroded grounds. Check battery state of charge and terminal condition. Inspect engine and chassis grounds. Verify fault codes on the display. If the machine shuts down randomly, check the wiring harness for chafing or loose connectors. A single faulty sensor can trigger multiple warning signals. Ensure the battery is fully charged and the alternator is functioning correctly.
What should be checked when buying a used WA40-3 (S/N 10001-18999)?
When purchasing a used WA40-3, check the following: 1. Engine oil and hydraulic oil condition. Dark, milky, or metallic-contaminated oil indicates neglect or internal failure. 2. Transmission clutch pressure. Low pressure or loss of drive after warm-up suggests worn clutch plates or a failing oil pump. 3. Hydraulic pump and valve condition. Test all functions for speed and power, both cold and hot. 4. Engine performance. Check for excessive smoke, rough idle, or loss of power under load. 5. Electrical system. Verify all lights, gauges, and safety interlocks function. 6. Tires and wheels. Check for wear, damage, and proper pressure. 7. Fluid leaks. Inspect under the machine for hydraulic, engine, or transmission leaks. 8. Serial number verification. Confirm the serial number matches the S/N 10001-18999 range to ensure correct parts and specifications.
What are the fluid specifications and capacities for the WA40-3?
Use Komatsu EO or equivalent universal tractor fluid for the hydraulic system and transmission. Use Komatsu TO or equivalent diesel engine oil for the engine. Use Komatsu AXO or equivalent gear oil for the differentials and transfer box. Coolant should be Komatsu ELC or equivalent long-life antifreeze. Hydraulic oil capacity varies by configuration. Engine oil capacity is approximately 12 liters (3.2 gal). Fuel tank capacity is approximately 117 liters (31 gal). Cooling system capacity is approximately 32 liters (8.5 gal). Always verify specific capacities in the operation and maintenance manual for the exact serial number.
What safety-critical fixes require dealer verification?
ROPS (Roll-Over Protective Structure) modifications or repairs must be performed by an authorized Komatsu distributor. Do not modify or repair the ROPS without contacting your Komatsu distributor. Incorrect repairs can compromise operator safety in the event of a rollover. Have your dealer verify the integrity of the ROPS and FOPS (Falling Object Protective Structure) before operating the machine. Safety interlocks and emergency shutdown systems must also be verified by a qualified technician.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu WA40-3(S/N 10001-18999). Related factory variants of the same model family:
WA40-3(S/N 10001-UP)WA40-3(S/N 19001-UP)
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