Komatsuwheel loadermedium (wa140 - wa380)
Komatsu WA250-3L(S/N A70001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WA250-3L (S/N A70001-UP) is a mid-size wheel loader engineered for versatile earthmoving, quarrying, and material handling applications. This series utilizes the Komatsu S6D102E-1 engine to provide reliable diesel power for loading sand, gravel, and dirt. The machine features an orbital full-hydraulic power system and is configured with a bucket capacity ranging from 2.5 to 3.5 yd³ (1.9 to 2.7 m³).
Across the WA250 series generations, improvements in engine technology and hydraulic efficiency have focused on optimizing fuel consumption and payload productivity. Today, this machine remains a significant fixture in the used parts and secondary market due to its durable S6D102E-1 powertrain and the availability of standardized Komatsu components. Its robust construction makes it a primary choice for fleet owners seeking reliable performance without the complexity of newer emissions-heavy configurations.
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 WA250-3L(S/N A70001-UP) specifications
Engine
| Model | S6D102E-1 |
| Gross Power | 130.1 hp (97 kW) |
| Displacement | 359 cu in (5.88 L) |
| Cylinders | 6 |
Weights
| Operating Weight | 23,104.5 lb (10,480 kg) to 25,904 lb (11,750 kg), varies by configuration |
| Static Tipping Weight | 20,216.4 lb (9,170 kg) to 26,367 lb (11,960 kg) |
Dimensions
| Length with Bucket on Ground | 22.92 ft (6.99 m) to 23.2 ft (7.07 m) |
| Width Over Tires | 7.8 ft (2.38 m) to 8.1 ft (2.47 m) |
| Height to Top of Cab | 10.49 ft (3.20 m) to 10.5 ft (3.20 m) |
| Wheelbase | 9.52 ft (2.90 m) |
| Ground Clearance | 1.3 ft (0.40 m) to 1.5 ft (0.46 m) |
| Hinge Pin Max Height | 12.08 ft (3.68 m) to 12.5 ft (3.81 m) |
| Reach at Max Lift and Dump | 3.42 ft (1.04 m) |
Performance
| Max Speed - Forward | 34.6 km/h (21.5 mph) to 38 kph (23.6 mph) |
| Max Speed - Reverse | 35.1 km/h (21.8 mph) to 38 kph (23.6 mph) |
| Bucket Breakout Force | 20,940 lb (9,500 kg) to 27,210 lb (12,342 kg) |
| Turning Radius | 19 ft (5.79 m) to 39.6 ft (12 m), varies by configuration |
Service capacities (summary)
| Fuel Tank | 184 L (48.7 gal) to 186 L (49.1 gal) |
| Hydraulic System | 64 L (16.9 gal) to 67 L (17.7 gal) |
| Engine Oil | 23 L (6.1 gal) |
| Cooling System | 22 L (5.8 gal) |
| Axle Fluid (each front and rear) | 17 L (4.5 gal) to 18 L (4.8 gal) |
| Torque Converter and Transmission | 30 L (7.9 gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
WA250-3L(S/N A70001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 12.4 L | RAVENOL Turbo-C HD-C 15W-40 or RAVENOL Formel Diesel Super 15W-40 or RAVENOL Turbo plus SHPD 15W-40 |
| Cooling system | Not specified | RAVENOL TTC Trad. Techn. Coolant Premix -40°C |
| Transmission/powertrain compartments | 29.90 L (7.9 gal) | RAVENOL CATOEL TO-4 SAE 10W or Allison C-4 equivalent |
| Final drives (each) | 17.03 L (4.5 gal) | RAVENOL CATOEL TO-4 SAE 10W or Allison C-4 equivalent |
| Hydraulic system and tank | 63.97 L (16.9 gal) | Komatsu HO46-Hydraulic Fluid |
| Axles/differentials | 4.5 gal (17.03 L) | RAVENOL CATOEL TO-4 SAE 10W or Allison C-4 equivalent |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu WA250-3L(S/N A70001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the WA250-3L(S/N A70001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA (Komatsu Oil Wear Analysis) at every major service interval to monitor wear metals like iron and copper. Regularly sample hydraulic oil to track particle counts and viscosity changes. For the S6D102E-1 engine, analyze oil for soot, fuel dilution, and oxidation levels. Monitoring coolant pH and SCA concentration prevents internal corrosion and maintains heat transfer efficiency.
Corrective & Common Repairs
Monitor the fuel shut-off solenoid for faults that cause intermittent engine shutdowns during startup. Inspect hydraulic hoses frequently for cracks or leaks to prevent pressure loss. Check wheel hub nuts regularly and tighten if loose. If transmission slipping occurs, verify the use of correct fluids; ensure torque converter levels are maintained with manufacturer-specified oils to avoid overheating.
Overhaul & Rebuild Points
Plan for major component evaluation during 2000-hour intervals. Key rebuild focus areas include inspecting the turbocharger for play and checking structural welds on the boom or bucket linkage. Measure articulation and steering pin play to determine replacement needs. During transmission overhauls, ensure all internal filters are replaced and torque converter seals are inspected for integrity.
Seasonal & Environment Servicing
In dusty environments, clean the air filter outer element more frequently than standard intervals to prevent restriction. During cold seasons, use appropriate antifreeze/coolant premixes rated for low temperatures to protect the engine block. Ensure radiator and oil cooler fins are cleared of debris regularly to maintain thermal regulation. Check tire inflation levels seasonally to manage ground pressure and traction.
WA250-3L(S/N A70001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 6732-71-6120 | Filter, Fuel - Water Separator | Fuel system service | Check fitment → |
| 207-04-A1100 | Cartridge, Fuel Filter | Fuel system service | Check fitment → |
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 6732-21-5530 | Cartridge, Engine Oil Filter | Lubrication service | Check fitment → |
| 714-12-18751 | Support, Oil Filter Mounting | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WA250-3L(S/N A70001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power failure or engine control drive system circuit malfunction (may cause engine stall) | ECM power connection issues, blown fuses, or faulty ground wires | Inspect ECM power connections, fuses, and ground wires |
| E11 | Engine control system failure resulting in reduced output power to protect the engine | Low coolant temperature, low oil pressure, or clogged air filter | Check coolant level, oil pressure, and air filter condition |
| CA115 | Engine crankshaft speed sensor and backup speed sensor failure | Broken sensor, wiring harness damage, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA234 | Engine overspeed | Improper throttle calibration, excessive engine load cycle, or operator misuse | Verify throttle calibration and review engine load cycles |
| CA441 / CA442 | Battery voltage too low or too high | Faulty alternator, depleted battery, or malfunctioning voltage regulator | Replace the alternator or battery and check the voltage regulator |
| CA451 / CA452 | Common rail pressure sensor feedback value too high or too low | Malfunctioning fuel rail pressure sensor or issues in the pump lines | Diagnose the fuel rail pressure sensor and inspect pump lines |
| AA10NX | Air cleaner clogging | Accumulated dust or debris in the air filter element | Replace the air filter |
| B@BCNS | Engine coolant overheating | Low coolant level, clogged radiator fins, or faulty fan belt | Check coolant level, inspect radiator fins, and check fan belt tension |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
WA250-3L(S/N A70001-UP) attachments & work tools
Buckets
Standard bucket capacities range from 1.9 m³ (2.5 yd³) to 2.7 m³ (3.5 yd³). Configuration varies by specific model series.
Quick Attachments
The machine supports quick coupler systems for rapid tool changes. Specific mounting hardware and pins are required for various configurations.
Hydraulic Systems
Orbital, full-hydraulic power type is utilized. Certain attachments or specialized functions may require specific hydraulic kit arrangements.
Additional Equipment
Factory options include yard loader arrangements and high production configurations. Some setups may feature forks or 4-in-1 bucket capabilities.
All WA250-3L(S/N A70001-UP) assemblies by section
Every catalogued assembly group for the Komatsu WA250-3L(S/N A70001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessory
Komatsu : Wa250-3l(S/N A70001-Up) : Accessory : Fig No. V0300-01a0 Tool
| 07***90 | O-Ring,Grease Pump Strap | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***00 | Nozzle, Grease Pump (Flexible Type) | 1 |
Cooling System
Komatsu : Wa250-3l(S/N A70001-Up) : Cooling System : Fig No. C0110-01a0 Radiator
| 01***45 | Bolt, Mounting Cranking Motor | 2 |
| 01***65 | Bolt,(Used With Pin Puller) | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Cooling System : Fig No. C0110-02a0 Radiator Piping
| 01***16 | Bolt - Starting Motor Ground Cable | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 07***34 | O-Ring,(For Front Attachment) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Cooling System : Fig No. C0110-03a0 Hydraulic Cooler Line
Komatsu : Wa250-3l(S/N A70001-Up) : Cooling System : Fig No. C0310-01a0 Guard (For Radiator)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 25***R1 | Washer | 8 |
| 41***71 | Guard, R.H | 1 |
Electrical System
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0110-01a0 Battery
| 12***H1 | Battery, Wet | 1 |
| 47***C1 | Nut, Terminal | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0120-01a0 Battery Box (Bracket)
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0120-02a0 Battery Box (Rear Lamp)
| 01***35 | Screw, Mount Lens | 4 |
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0120-03a0 Battery Box (Wire)
| 01***12 | Bolt,(With Speedometer) | 1 |
| 08***31 | Cap, Terminal Cover | 4 |
| 41***11 | Wire, Battery To Battery | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0200-01a0 Main Harness (Front Frame Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 04***10 | Clip,(With Accumulator) | 3 |
| 04***12 | Clip,See Fig. K4010-41a1 | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0201-01a1 Electrical System (Ground Driven Steering)
| 00***14 | Band | 3 |
| 08***00 | Connector (Modify Air Dryer Lead) | 2 |
| 08***01 | Connector - At Radio Power Source And Speaker | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0202-01a0 Main Harness (Rear Frame Line)
| 01***10 | Bolt - Relay And Flasher Mounting | 2 |
| 01***25 | Bolt - Relay Mounting | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 5 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0260-01a0 Electrical Instrument
| 08***19 | Band - Tie Hose To Wire Harness | 1 |
| 08***18 | Cap, Ignition Switch Terminals | 4 |
| 08***71 | Connector | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0260-01a1 Instrument Panel (Without Cab)
| 08***18 | Cap, Ignition Switch Terminals | 4 |
| 09***14 | Cap,(Not Used For Komtrax Spec.) | 1 |
| 13***H1 | Switch, Starting (With Cover For Key Hole) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0300-01a0 Front Light
| 01***12 | Screw,Sems | 8 |
| 01***25 | Screw - Antenna Mounting | 4 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Electrical System : Fig No. E0410-01a0 Horn
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
| 42***11 | Horn,High | 1 |
Engine
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Accessory Drive Pulley
| 67***40 | Bolt (M10x1.50x20) | 4 |
| 67***10 | Pulley, Accessory Drive | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Air Fuel Control (Afc) Plumbing
| 07***12 | Gasket,Injection Pump Piping | 2 |
| 67***10 | Screw, Banjo Connector (M12x1.50x24) | 1 |
| 67***50 | Elbow, Male Adapter (1/8 Npt) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Air Intake Heater
| 67***11 | Gasket,Air Intake Heater | 1 |
| 67***10 | Harness, Wiring | 1 |
| 67***20 | Heater, Engine | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Alternator Drive
| 12***H1 | Belt, V-Ribbed | 1 |
| 67***20 | Bolt (M10x1.50x70) | 1 |
| 67***30 | Tensioner, Belt | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Alternator Mounting
| 67***60 | Bolt, Mounting (M8-1.25x25) | 3 |
| 67***20 | Bolt, Flange (M8-1.25x20) | 1 |
| 67***30 | Bolt (M12x1.75x150) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Bosch Fuel Shutoff Valve
| 67***60 | Bolt (M16x1.50x12) | 3 |
| 67***40 | Nut, Lock (M5x0.8xthd) | 1 |
| 67***80 | Bolt,Fuel Injection | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Cam Follower Cover
| 67***20 | Bolt, Mounting (M8-1.25x16) | 6 |
| 67***80 | Seal, Grommet | 6 |
| 67***20 | Hose, Plain | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Camshaft
| 67***20 | Support, Camshaft Thrust | 1 |
| 67***40 | Gear, Camshaft | 1 |
| 67***60 | Bolt (M8x1.25x22) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Connecting Rod & Piston
| 67***00 | Piston Ring Ass'Y | 1 |
| 67***00 | Rod, Engine Connecting | 6 |
| 67***30 | Bushing | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Crankshaft
| 67***50 | Gear, Crankshaft | 1 |
| 67***11 | Gear, Crankshaft | 1 |
| 67***00 | Set, Main Bearing - Standard | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Cylinder Block
| 67***10 | Plug, Pipe (1/2-14 Npt) | 1 |
| 67***30 | Plug, Pipe (1/8 Nptf) | 2 |
| 67***90 | Nozzle, Piston Cooling | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Cylinder Head
| 67***10 | Bolt, Mounting (M12x1.75x70) | 6 |
| 67***20 | Bolt, Mounting (M12x1.75x120) | 14 |
| 67***10 | Plug, Pipe (1/2-14 Npt) | 5 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Drain Tube Connection - Fuel Pump
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 67***70 | Connector, Banjo | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Engine Assemblies
| 41***01 | Engine, Service & Complete | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Engine Vent Connection
| 67***10 | Coupling, Plain Hose | 1 |
| 67***20 | Valve, Check (Jiggle) | 1 |
| 67***40 | Bushing, Reducing Pipe | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Exhaust Connection
| 67***20 | Clamp,Turbocharger Outlet Pipe | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Exhaust Manifold
| 07***08 | Plug,(Without Auto Priming System) | 1 |
| 67***20 | Manifold, Exhaust | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Exhaust Manifold Mounting
| 67***30 | Bolt, Mounting (M10x1.50x65) | 12 |
| 67***10 | Gasket, Exhaust Manifold | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fan Drive
| 67***30 | Bolt, Hex Cap (M8-1.25x30) | 2 |
| 67***70 | Bolt, Mounting (M8-1.25x40) | 2 |
| 67***10 | Support Ass'Y | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Flywheel
| 67***20 | Washer, Plain (M12) | 8 |
| 67***30 | Bolt (M12x1.25x32) | 8 |
| 67***40 | Flywheel Assembly | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Flywheel Housing
| 67***20 | Plug, Pipe (3/4 Nptf) | 1 |
| 67***30 | Plate, Cover | 1 |
| 67***50 | Plug, O-Ring | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Front Gear Cover
| 67***40 | Pin, Timing | 1 |
| 67***50 | Ring, Retaining | 1 |
| 67***60 | Screw, Round Head (M5-0.80x17) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Front Gear Train Accessory Drive Cover
| 67***80 | Gasket, Accessory Drive Cover | 1 |
| 67***10 | Plate, Accessory Drive Cover | 1 |
| 67***30 | Bolt, Flange Head (M12-1.75x25) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Filter
| 07***12 | Gasket,Injection Pump Piping | 2 |
| 67***40 | Bolt, (M8x1.25x35) | 1 |
| 67***20 | Filter, Fuel - Water Separator | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Filter Plumbing
| 07***12 | Gasket,Injection Pump Piping | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 67***20 | Screw, Banjo Connector (M14x1.50x26) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Injector
| 67***50 | Seal, Rectangular Ring | 1 |
| 67***30 | Seal, Banjo Connector (6.2 mm) | 1 |
| 67***00 | Fuel Injector Assembly | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Lift Pump
| 07***12 | Gasket,Injection Pump Piping | 2 |
| 67***60 | Bolt, Mounting (M8-1.25x25) | 2 |
| 67***20 | Spacer, Mounting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Plumbing
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
| 67***60 | Bolt, Mounting (M8x1.25x25) | 2 |
| 67***90 | Valve, Check (M8x1.25x17.5) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Pump
| 67***50 | Pump, Fuel Injection | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Pump Coupling
| 67***30 | Plug, Pipe (1/8 Nptf) | 1 |
| 67***10 | Elbow, Male Adapter (1/8 Nptfx7/16-20(90)) | 1 |
| 67***20 | Hose, Flexible | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Fuel Pump Service Parts
| 67***70 | Lever, Control Ass'Y | 0 |
| 67***10 | Lever, Shutoff | 0 |
| 67***20 | O-Ring, Sealing | 0 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Gasket Sets
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
| 67***20 | Seal, Rectangular Ring | 1 |
| 67***10 | Gasket, Valve Cover | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Lifting Bracket
| 67***20 | Bolt (M12x1.75x30) | 2 |
| 67***10 | Bracket, Lifting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Lubricating Oil Cooler
| 67***30 | Plug, Pipe (1/8 Nptf) | 1 |
| 67***30 | Cartridge, Engine Oil Filter | 1 |
| 67***20 | O-Ring,Oil Pressure Plug | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Mechanical Tach Drive
| 67***90 | Cover, Mechanical Tach Drive | 1 |
| 67***20 | Seal, Rectangular Ring | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Noise Abatement Panel Oil Pan - Cylinder Block Stiffener
| 67***51 | Plate, Cylinder Block Stiffener | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Oil Filler Port
| 67***30 | Bolt, Flange Head (M12-1.75x25) | 2 |
| 67***10 | Tube, Oil Filler | 1 |
| 67***30 | Cap, Oil Filler | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Oil Fluid Level Sensor Hole Cover
| 67***10 | Gasket, Cover Plate | 1 |
| 67***20 | Plate, Cover | 1 |
| 67***70 | Screw, Hex Flange Head Ca | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Oil Level Gauge
| 67***30 | Cartridge, Engine Oil Filter | 2 |
| 67***50 | Tube, Oil Gauge | 1 |
| 67***20 | Dipstick | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Oil Level Sensor
| 67***70 | Screw, Hex Flange Head Ca | 3 |
| 78***10 | Sensor, Hydraulic Oil Level & Retarder Oil Level | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Oil Pan
| 67***70 | Washer, Sealing (22.2 mm) | 1 |
| 67***70 | Plate, Clamping | 1 |
| 67***10 | Bolt, Mounting (M8-1.25 X 25) | 36 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Oil Pump
| 67***11 | Pump, Lubricating Oil | 1 |
| 67***20 | Bolt (M8x1.25x30) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Rocker Levers
| 67***40 | Bolt | 6 |
| 67***10 | Rod, Push | 12 |
| 67***60 | Washer, Plain (M19) | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Starter Mounting
| 67***70 | Stud ((M10x1.50 (Both Ends) X45)) | 1 |
| 67***80 | Gasket, Starter | 1 |
| 67***10 | Bolt (M10x1.50x35) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Thermostat
| 67***20 | Gasket, Thermostat Housing Cover | 1 |
| 67***20 | Kit, Thermostat | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Thermostat Housing
| 67***10 | Plug, Pipe (1/2-14 Npt) | 1 |
| 67***70 | Bolt, Mounting (M8x1.25x90) | 2 |
| 67***10 | Plug, Expansion (17.73 mm) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Turbocharger
| 67***60 | Slinger, Oil | 1 |
| 67***70 | Plate, Oil Seal | 1 |
| 67***30 | Baffle, Oil | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Turbocharger Loacation
| 67***10 | Plug, Pipe (1/2-14 Npt) | 2 |
| 67***20 | Plug, Pipe (3/4 Nptf) | 1 |
| 67***60 | Bolt, Mounting (M8x1.25x25) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Turbocharger Mounting
| 67***50 | Gasket,Oil Drain (Not Shown) | 1 |
| 67***10 | Stud ((M10x1.50 (Both Ends) X42)) | 4 |
| 67***20 | Nut (M10x1.50) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Turbocharger Plumbing
| 67***10 | Tube, Turbocharger Oil Drain | 1 |
| 67***40 | Hose, Plain | 1 |
| 67***30 | O-Ring,Turbocharger Drain | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Valve Covers
| 67***30 | Bolt (M8x1.25x25) | 6 |
| 67***80 | Gasket, Valve Cover | 6 |
| 67***20 | Cover, Valve | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Vibration Damper
| 67***20 | Bolt (M12x1.25x36) | 4 |
| 67***20 | Damper, Rubber Vibration | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Water Outlet Connection
| 67***60 | Bolt, Mounting (M8-1.25x25) | 1 |
| 67***20 | Gasket, Connection | 1 |
| 67***30 | Connection, Water Outlet | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine : Water Pump
| 67***60 | Bolt (M8x1.25x22) | 2 |
| 67***00 | Water Pump Ass'Y | 1 |
| 67***20 | Seal, Rectangular Ring | 1 |
Engine Related Parts
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-01a0 Engine Harness (1/2)
| 01***16 | Bolt | 1 |
| 01***10 | Bolt - Relay And Flasher Mounting | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-02a0 Engine Harness (2/2)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 08***14 | Clip,(Without Cab) | 3 |
| 08***31 | Cap, Terminal Cover | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-03a0 Oil Drain
| 01***75 | Bolt - Mount 1st Clutch Housing | 1 |
| 01***11 | Nut (Welded) | 1 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-04a0 Air Cleaner
| 01***85 | Screw | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 5 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-05a0 Muffler And Mounting
| 01***15 | Bolt, Fan Mounting | 3 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***25 | Bolt - Relay Mounting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-06a0 Cooling Fan
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-07a0 Heat Shield
| 01***20 | Bolt,(Forwarded Individually Parts) | 13 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-08a0 Switch And Sensor
| 56***12 | Adapter,Water Temperature Gauge | 1 |
| 60***61 | Sensor,Water Temperature | 1 |
| 67***40 | Switch,Oil Pressure | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-09a0 Rear Hanger
| 01***50 | Stud | 12 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 2 |
| 42***10 | O-Ring, Sealing - Flywheel Housing End | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0000-10a0 Oil Level Sensor
| 01***12 | Bolt,(Without R.P.C.U.) | 3 |
| 01***16 | Screw | 2 |
| 01***35 | Screw | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0100-01a0 Engine Mounting Parts
| 01***95 | Capscrew - M12 | 3 |
| 01***30 | Bolt, Mount Transmission To Frame | 2 |
| 01***35 | Capscrew | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Engine Related Parts : Fig No. B0300-01a0 Exhaust Pipe
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 17***70 | Washer (Isolator Mounting) | 4 |
| 41***11 | Pipe, Exhaust | 1 |
Front Frame
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4110-01a0 Front Frame
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 41***00 | Frame, Front | 1 |
| 42***42 | Plate Name (Limited Supply) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4120-01a0 Rear Frame
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***70 | Screw | 4 |
| 01***13 | Nut,(For Adjustable Rod) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4130-01a0 Hinge Pin
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(With Body Positioner) | 6 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 5 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4140-01a0 Steering Cylinder Piping
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4140-01a1 Steering Cylinder
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4190-01a0 Bar Lock And Cover
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 8 |
| 04***55 | Pin, Cotter | 1 |
| 41***60 | Pin, Snap | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4190-01a1 Bar Lock And Cover (With 3-Spool Piping)
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 8 |
| 04***55 | Pin, Cotter | 1 |
| 41***60 | Pin, Snap | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4190-01a2 Bar Lock And Cover (Ground Driven Steering)
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 8 |
| 04***55 | Pin, Cotter | 1 |
| 41***60 | Pin, Snap | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4210-01a0 Rear Axle Support
| 01***50 | Capscrew - M12 | 8 |
| 01***65 | Bolt | 8 |
| 01***40 | Screw | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Front Frame : Fig No. J4710-01a0 Remote Grease
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 2 |
| 07***10 | Connector | 4 |
Fuel Tank And Related Parts
Komatsu : Wa250-3l(S/N A70001-Up) : Fuel Tank And Related Parts : Fig No. D0100-01a0 Fuel Tank
| 01***35 | Bolt,(Not Used With Rops Canopy) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
| 01***16 | Bolt - Starting Motor Ground Cable | 7 |
Guard
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4100-01a0 Hood (1/2) (Engine Hood)
| 01***16 | Bolt, Mount Solenoid Valve | 10 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4100-02a0 Hood (2/2) (Noise Abatement Parts)
| 01***12 | Bolt,(With Speedometer) | 2 |
| 09***06 | Cap,(Without Head Lamp) | 1 |
| 41***30 | Sheet, Right Hand | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4102-01a0 Bulkhead
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 5 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4102-02a0 Bulkhead (Electrical System)
| 08***19 | Band - Tie Hose To Wire Harness | 1 |
| 08***14 | Clip,(For Add.Filter)(Except Japan) | 1 |
| 41***90 | Wiring Harness | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4102-03a0 Bulkhead (Radiator Piping)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***08 | Nut,See Fig. K4010-04a0 | 2 |
| 07***10 | Clamp, Hose | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4110-01a0 Hood Door
| 01***20 | Bolt - Mount Risers To Cab Floor | 16 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
| 01***16 | Washer,(With Water Separator) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4110-01a1 Hood Door (For Rear Full Fender)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 16 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4120-01a0 Radiator Guard (Grille And Cover)
| 01***55 | Bolt - Mount Cage To Transmission Case | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 6 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4120-02a0 Radiator Guard (Electrical System And Sheet)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 08***19 | Band - Tie Hose To Wire Harness | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4200-01a0 Rear Fender (Full Fender)
| 01***16 | Bolt - Starting Motor Ground Cable | 10 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 6 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4210-01a0 Full Fender
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 8 |
| 01***10 | Nut, Plate Mounting | 8 |
| 09***08 | Cap,(For Ripper Or Rear Hydraulic. Take) | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4210-02a0 Full Fender (Front Mud Guard)
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 6 |
| 01***10 | Nut, Plate Mounting | 6 |
| 41***70 | Plate | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4230-01a0 Floor Cover
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 8 |
| 41***80 | Plate | 1 |
| 41***90 | Sheet, Left Hand | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4310-01a0 Ladder
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 8 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 3 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4310-02a0 Ladder (Floor Cover And Rear Fender)
| 01***16 | Bolt - Starting Motor Ground Cable | 8 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4320-01a0 Hand Rail
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 12 |
| 41***10 | Handrail, L.H | 1 |
| 41***20 | Handrail, R.H | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4320-01a1 Ladder (Canopy)
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 12 |
| 41***31 | Hand Rail, L.H | 1 |
| 41***41 | Hand Rail, R.H | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4410-01a0 Mirror
| 41***80 | Mirror | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4410-01a1 Mirror (With Cab)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 8 |
| 04***32 | Adapter Sleeves | 2 |
| 36***50 | Cap, Bolt | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4410-01a2 Mirror And Stay
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 41***10 | Stay | 1 |
| 41***10 | Mirror, Convex | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Guard : Fig No. M4510-01a0 Additional Counter Weight
| 01***65 | Bolt, Mount Side Weights | 2 |
| 01***85 | Bolt | 2 |
| 01***15 | Bolt | 1 |
Hydraulic System
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0110-01a0 Hydraulic Tank
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 6 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 3 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0110-02a0 Hydraulic Tank (Drain Line)
| 07***10 | O-Ring,Plate | 1 |
| 07***34 | O-Ring,(For Front Attachment) | 1 |
| 41***40 | Joint | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0120-02a1 3-Spool Control Valve (1/2)
| 01***12 | Bolt | 6 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0120-02a2 3-Spool Control Valve (2/2)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 07***12 | O-Ring (Itl) | 1 |
| 07***12 | Ring,Back-Up; Was 07001-02012, Ring,Back-Up (Itl) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0122-01a0 Steering Demand Valve (Orbitrol Valve)
| 12***H1 | Bearing Kit, Needle - Steering Valve (Eaton) | 1 |
| 12***H1 | Bushing, Seal Gland | 1 |
| 14***91 | Seal Kit, Steering Valve - Eaton | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0122-02a0 Steering Demand Valve (Priority Valve And Mounting Parts)
| 12***H1 | Spring | 1 |
| 12***H1 | O-Ring | 1 |
| 12***H1 | O-Ring | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0122-03a0 Steering Demand Valve (Hydraulic Piping) (Pump And Drain Line)
| 01***20 | Bolt - Mount Risers To Cab Floor | 1 |
| 01***40 | Bolt,(For Operator'S Cab) | 1 |
| 04***12 | Clip,See Fig. K4010-62a0 | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0122-04a0 Steering Demand Valve (Hydraulic Piping) (Priority Valve To Control Valve)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***09 | Nut,(For Japan) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H0210-01a0 Hydraulic Piping
| 01***35 | Bolt, Mount Carrier | 2 |
| 01***90 | Capscrew | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4200-01a0 Hydraulic Piping (Drain And Priority Valve To Control Valve)
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4200-01a3 Hydraulic Piping (Front Attachment Line) (With 3-Spool Control Valve)
| 01***30 | Bolt - M8 X 30lg | 24 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 8 |
| 01***65 | Bolt, Mount Tube To Divider Valve | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4200-02a0 Hydraulic Piping (Delivery Line)
| 01***40 | Screw, Hex Socket | 4 |
| 01***85 | Bolt - M8 X 85lg | 4 |
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4200-03a0 Hydraulic Piping (Dump Cylinder Line)
| 01***10 | Bolt,For Weight Adjusting Bolt | 2 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 2 |
| 01***10 | Nut, Plate Mounting | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4200-03a1 Dump Cylinder
| 07***30 | O-Ring, Cover - Transfer Gear | 1 |
| 07***25 | O-Ring,Cylinder Head | 1 |
| 07***26 | Ring,Back-Up? Cylinder Head | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4200-04a0 Hydraulic Piping (Lift Cylinder Line)
| 01***09 | Nut,(For Japan) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***15 | Nut,(For Shipping And Storage) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4210-01a0 Electronically Controlled Suspension System (E.C.S.S.) Components
| 01***00 | Bolt,(For Front Brake Release) | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 6 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 6 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4210-01a1 Electronically Controlled Suspension System (E.C.S.S.) Hydraulic Piping
| 07***34 | O-Ring,(For Without Brake Assistor) | 7 |
| 07***28 | Nut,(Without Tilt Cylinder) | 1 |
| 07***16 | Plug,(Without Tilt Cylinder) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4210-01a2 Electronically Controlled Suspension System (E.C.S.S.) Electrical
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
| 08***00 | Diode | 2 |
| 08***34 | Tie, Cable | 14 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4410-01a0 Steering Line (Piping And Mounting Parts)
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4410-01a1 Ground Driven Steering Piping (1/3)
| 01***85 | Bolt, Divider Valve Mounting | 2 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***45 | Bolt, Mount Divider Valve | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4410-01a2 Ground Driven Steering Piping (2/3)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4410-01a3 Ground Driven Steering Piping (3/3)
| 01***00 | Bolt,(For Front Brake Release) | 4 |
| 01***30 | Capscrew (1) | 8 |
| 01***95 | Bolt | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4410-02a0 Steering Line (Cushion Valve)
| 41***10 | Seal Kit, Cushion Valve | 1 |
| 41***20 | Housinge | 1 |
| 41***30 | Poppet | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4420-01a0 Hydraulic Pump Ground Driven Steering
| 01***85 | Bolt | 4 |
| 01***42 | Washer,Spring (For Pedal Steering) | 4 |
| 04***24 | Pin,Dowel (For No.3 Housing) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4420-02a0 Diverter Valve Ground Driven Steering
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Screw | 2 |
| 01***70 | Screw | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Hydraulic System : Fig No. H4420-03a0 Check Valve Ground Driven Steering
| 07***35 | O-Ring, At Lower Oil Cooler Inlet Port | 1 |
| 70***11 | Body | 1 |
| 70***21 | Poppet | 1 |
Marks And Plates
Komatsu : Wa250-3l(S/N A70001-Up) : Marks And Plates : Fig No. U0100-01a0 Marks And Plates (English)
| 09***80 | Plate? Safety,Without E.S.Cover (Except Ec) | 2 |
| 09***80 | Plate, Caution, Keep A Safe Distance | 2 |
| 09***80 | Plate, Safety - Lift Arm | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Marks And Plates : Fig No. U0100-01a3 Marks And Plates (French)
| 09***80 | Plate? Safety,Without E.S.Cover (Except Ec) | 2 |
| 09***80 | Plate, Caution, Keep A Safe Distance | 2 |
| 09***80 | Plate, Safety - Lift Arm | 2 |
Operator'S Compartment And Control System
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0110-01a0 Operator'S Seat
| 01***20 | Screw | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***06 | Nut | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0110-01a1 Operators Seat And Mounting
| 01***20 | Screw | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***06 | Nut | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-01a0 Rops Cab Glass, Front Wiper And Door Seal
| 01***25 | Bolt,Without Revolution Sensor | 12 |
| 01***08 | Screw - Clip Mounting | 4 |
| 01***10 | Bolt - Relay And Flasher Mounting | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-04a0 Rops Cab Roof And Rear Interior Trim
| 01***12 | Screw | 8 |
| 01***16 | Screw | 4 |
| 01***12 | Screw | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-06a0 Rops Cab Rear Glass And Rear Wiper
| 01***12 | Screw,(Without Ashtray) | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 4 |
| 36***10 | Bolt, Panto Adapter Mounting | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-07a0 Rops Cab Electrical System
| 01***10 | Screw | 1 |
| 01***12 | Screw | 2 |
| 01***12 | Screw | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-11a0 Rops Cab Entry Door - L.H.
| 12***92 | Washer, Flat - 0.25 | 4 |
| 12***H1 | Washer, Nylon | 1 |
| 18***20 | Bolt, 1/4nc X 3/4 - Tank Mount | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-14a0 Rops Cab Entry Door - R.H.
| 12***92 | Washer, Flat - 0.25 | 4 |
| 12***H1 | Washer, Nylon | 1 |
| 18***20 | Bolt, 1/4nc X 3/4 - Tank Mount | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-16a0 Rops Cab Door Related Parts
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***10 | Bolt - Relay And Flasher Mounting | 4 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-17a0 Rops Cab Front Interior Trim
| 01***12 | Screw | 2 |
| 01***10 | Bolt - Relay And Flasher Mounting | 3 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-21a0 Rops Cab Mounting Parts
| 01***95 | Capscrew - M20 | 4 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 2 |
| 01***25 | Bolt | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0210-23a0 Rops Cab Fresh Air Vent
| 01***08 | Washer,(For Mounting First Aid Kit) | 2 |
| 42***30 | Vent, Fresh Air | 1 |
| 42***40 | Seal | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0310-01a0 Floor Mat
| 41***10 | Mat,Floor (Op) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0350-01a0 Window Washer Tank (With Cab)
| 08***19 | Band - Tie Hose To Wire Harness | 6 |
| 41***10 | Hose | 2 |
| 42***10 | Joint,Rear (For Rear Washer) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0410-01a0 Rops Canopy
| 01***95 | Capscrew - M20 | 4 |
| 01***25 | Bolt | 4 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0410-01a1 Canopy
| 01***50 | Bolt,(For D60pl) | 8 |
| 01***15 | Bolt | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0710-01a1 Heater Duct (With Cab)
| 01***12 | Screw,(Not Shown) (For Std Cab) | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0714-01a0 Cool And Heater Box (With Cab)
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
| 07***89 | Clamp,(D31s) | 2 |
| 42***70 | Grille,(See Fig. K0210-16a0) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0715-01a0 Air Conditioner And Heater Covers (Rear Console Box)
| 01***16 | Screw, Sems | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 5 |
| 01***12 | Bolt,(With Speedometer) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K0715-02a0 Air Conditioner And Heater Covers (L. H. Console Box)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 3 |
| 01***08 | Washer,(For Joy Stick Steering) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4100-01a0 Floor Support (With Rops Cab)
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4100-02a0 Floor Support Cushion Mounting (With Rops Cab)
| 01***05 | Screw | 4 |
| 01***15 | Nut, Lock | 4 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4200-01a0 Floor (With Rops Cab)
| 01***12 | Screw,Sems | 1 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 16 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4200-02a0 Floor (R.H. Console Box And Floor Cover)
| 01***16 | Screw,(For Joy Stick Steering) | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 10 |
| 01***16 | Bolt, Mount Solenoid Valve | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4210-01a0 Floor Harness (Floor Line)
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 6 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4210-02a0 Floor Harness (R.H. Console Box Line)
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
| 01***16 | Screw, Mount Parking Lights | 4 |
| 01***25 | Screw | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4215-01a0 Floor Decal (English)
| 41***40 | Plate, Data | 1 |
| 41***40 | Plate Kit,Kit | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4215-01a3 Floor Decal (French)
| 41***40 | Plate Kit,Kit | 1 |
| 41***20 | Plate Kit | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4220-01a0 Gauge And Sensor
| 01***12 | Screw,(With Articulate Indicator) | 8 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 8 |
| 78***00 | Monitor Ass'Y,(English) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4410-01a0 Engine Controller (Control Pedal)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***70 | Screw | 1 |
| 01***20 | Bolt,See Fig. K4010-11a0 | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4410-02a0 Engine Controller (Control Cable)
| 01***16 | Bolt, Mounting Transmission Control Switch | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 01***50 | Bolt,(Europe Spec.) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4420-01a0 Steering Wheel And Column And Orbitrol (Wheel And Column)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***20 | Screw | 2 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4420-02a0 Steering Wheel And Column And Orbitrol (Inner Parts)
| 01***40 | Screw | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 1 |
| 41***30 | Column Assembly | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4420-03a0 Steering Wheel And Column And Orbitrol (Cover And Bracket)
| 01***30 | Bolt, Mounting - Front Hand Rails | 4 |
| 01***55 | Bolt,(With Joy Stick Steering) | 3 |
| 01***08 | Washer,(For Joy Stick Steering) | 5 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4430-01a0 Transmission Control Switch
| 01***08 | Screw, Mount Damper To Shaft | 6 |
| 01***12 | Screw | 2 |
| 01***08 | Screw, Terminal | 10 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4460-01a0 Brake Control (Front Brake Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 41***60 | Hose | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4460-02a0 Brake Control (Rear Brake Line)
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 41***10 | Hose | 1 |
| 41***72 | Hose | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4460-03a0 Brake Control (Linkage)
| 01***65 | Bolt,(Used With Pin Puller) | 2 |
| 01***60 | Bolt | 4 |
| 01***20 | Screw | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4460-04a0 Brake Control (Reservoir Tank Line)
| 01***35 | Bolt,(For Fix Position) | 4 |
| 01***16 | Bolt, Mount Solenoid Valve | 3 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4460-05a0 Brake Control (Brake Booster Cylinder)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 41***00 | Service Kit, Master Cylinder | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4470-01a0 Brake Piping (Front Brake Line)
| 07***23 | O-Ring,(F4350-65a0 -16 ) | 2 |
| 41***40 | Tube | 1 |
| 41***40 | Tube | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4470-02a0 Brake Piping (Rear Brake Line)
| 07***23 | O-Ring,(F4350-65a0 -16 ) | 2 |
| 41***40 | Tube | 1 |
| 41***50 | Tube | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4500-01a0 Loader Control (Control Lever)
| 01***55 | Bolt | 1 |
| 01***25 | Screw | 2 |
| 01***30 | Screw, Mounting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4500-01a1 Front Attachment Control Lever And Linkage (With 3-Spool Control Valve)
| 01***55 | Bolt | 1 |
| 01***35 | Bolt, Stopper | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4500-02a0 Loader Control (Control Linkage)
| 01***10 | Screw,(With Air Conditioner) | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4504-01a0 Bucket Positioner
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Operator'S Compartment And Control System : Fig No. K4810-01a0 Compartment
| 01***55 | Bolt,(Without Rops) | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
Power Train And Final Drive
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4200-01a0 Drive Shaft (Center)
| 01***45 | Screw | 8 |
| 41***20 | Spider Assembly | 2 |
| 41***40 | Fitting, Grease | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4200-02a0 Drive Shaft (Front)
| 01***60 | Capscrew | 4 |
| 01***15 | Screw | 1 |
| 01***45 | Screw | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4200-03a0 Drive Shaft (Rear)
| 01***45 | Screw | 8 |
| 41***20 | Spider Assembly | 2 |
| 41***30 | Fitting, Grease | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4300-01a0 Transmission (Electrical System)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 08***00 | Diode,(With Air Conditioner) | 4 |
| 08***19 | Band - Tie Hose To Wire Harness | 5 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4300-02a0 Transmission (Mounting Parts)
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 12 |
| 01***32 | Washer,(With Auto Emergency Steering) | 12 |
| 07***25 | Plug,(For Shipping And Storage Only | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4300-03a0 Transmission (Transmission Piping)
| 07***34 | O-Ring,(For Front Attachment) | 2 |
| 07***34 | Elbow,(Wa250-1p? 1d) | 1 |
| 07***34 | Elbow,(Without Add. Filter) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4300-04a0 Transmission (Parking Brake Control Linkage)
| 01***95 | Capscrew - M12 | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 41***20 | Bracket | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-51a0 Transmission (Transmission Case) (1/2)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***65 | Bolt (M12-1.75x65) | 1 |
| 01***95 | Bolt, Mount Filter Support | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-52a0 Transmission (Transmission Case) (2/2)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 9 |
| 01***50 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***60 | Bolt, Trunnion Cap | 7 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-53a0 Transmission (Forward And Reverse Clutch)
| 06***10 | Bearing,Ball | 1 |
| 41***22 | Ring,(F4350-54a0 -21 ) | 4 |
| 41***33 | Spring, Wave | 14 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-53a1 Transmission (Forward And Reverse Clutch) (Snow Removal Spec.)
| 06***10 | Bearing,Ball | 1 |
| 41***22 | Ring,(F4350-54a0 -21 ) | 4 |
| 41***33 | Spring, Wave | 14 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-54a0 Transmission (1st And 3rd Clutch)
| 06***11 | Bearing,Ball | 1 |
| 41***22 | Ring,(F4350-54a0 -21 ) | 3 |
| 41***33 | Spring, Wave | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-54a1 Transmission (1st And 3rd Clutch) (Snow Removal Spec.)
| 06***11 | Bearing,Ball | 1 |
| 41***22 | Ring,(F4350-54a0 -21 ) | 3 |
| 41***33 | Spring, Wave | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-55a0 Transmission (2nd And 4th Clutch)
| 41***22 | Ring,(F4350-54a0 -21 ) | 3 |
| 41***33 | Spring, Wave | 9 |
| 41***40 | Ring, Snpa | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-56a0 Transmission (Output Shaft)
| 01***25 | Capscrew | 2 |
| 01***10 | Bolt | 1 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-57a0 Transmission (Parking Brake)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 06***20 | Bearing,(For R.H. Steering) | 2 |
| 41***10 | Washer | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-58a0 Transmission (Idler)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 04***20 | Ring, Retainer | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-59a0 Transmission (P.T.O.)
| 04***20 | Ring, Retaining | 2 |
| 04***18 | Ring, Snap | 2 |
| 04***25 | Ring,Snap (Kit) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-60a0 Transmission Control Valve (1/4) (Mounting)
| 01***70 | Bolt - Bracket And Oil Inlet Tubemounting | 2 |
| 01***80 | Bolt,(With Corrosion Resistor) | 1 |
| 01***20 | Bolt, Mount Main Relief Valve | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-61a0 Transmission Control Valve (2/4) (Upper Valve)
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 3 |
| 01***50 | Bolt | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-62a0 Transmission Control Valve (3/4) (Lower Valve)
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***55 | Bolt,(For Suction? Reversible Fan) | 7 |
| 02***04 | Plug | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-63a0 Transmission Control Valve (4/4) (Solenoid Valve)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***60 | Bolt,(Without Alternator Bracket) | 1 |
| 01***75 | Bolt,(See Fig.0142) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-64a0 Transmission Accumulator Valve
| 01***25 | Screw | 4 |
| 07***14 | O-Ring,(F4350-63a1a-2 ) | 1 |
| 07***38 | Ring, Seal - Between Sections | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-65a0 Transmission (Transmission Pump And Piping) (1/2)
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 7 |
| 01***45 | Bolt,(Cold Terrain Spec.) | 1 |
| 01***70 | Bolt, Heater Hose Clip | 2 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-66a0 Transmission (Transmission Pump And Piping) (2/2)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 04***10 | Clip - Fuel Sensor Harness | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-67a0 Transmission Oil Filter
| 07***23 | O-Ring,(F4350-68a0 -13 ) | 1 |
| 07***09 | Plug, Oil Drain | 1 |
| 41***00 | Filter Assembly (See Pg F-058) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-67a1 Hydraulic Pump (Transmission) (1/2)
| 04***18 | Ring, Retaining | 1 |
| 70***30 | Coupling Assembly | 1 |
| 70***10 | Seal, Oil | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-67a2 Hydraulic Pump (Transmission) (2/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 8 |
| 07***38 | Ring, Seal - Between Sections | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-68a0 Transmission (Accessory) (1/2)
| 01***50 | Bolt, Radiator To Frame | 8 |
| 01***25 | Capscrew | 2 |
| 01***75 | Bolt (M10-1.50x75) | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-69a0 Transmission (Accessory) (2/2)
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4350-70a0 Torque Converter
| 01***25 | Screw | 24 |
| 01***25 | Bolt, Mount Cover | 6 |
| 01***55 | Bolt,(See Service News) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4400-01a0 Front Axle (Final Drive And Housing)
| 01***00 | Bolt | 2 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 41***10 | Taper.Roller Bearing | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4400-02a0 Front Axle (Differential And Brake)
| 01***30 | Capscrew - M12 X 1.75 | 30 |
| 01***35 | Bolt, Mount Carrier | 8 |
| 01***45 | Capscrew - M16 | 16 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4400-03a0 Front Axle (Mounting Parts)
| 01***30 | Bolt, Mount Housings To Differential | 28 |
| 01***75 | Bolt | 8 |
| 01***19 | Nut | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4460-01a0 Parking Brake Control Parts (Pedal And Lever)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***12 | Bolt,(With Speedometer) | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4460-02a0 Parking Brake Control Parts (Linkage)
| 01***35 | Bolt, Mount Bracket To Floor | 1 |
| 01***12 | Washer,(With Body Positioner) | 1 |
| 01***16 | Washer,(With Water Separator) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4500-01a0 Rear Axle (Final Drive And Housing)
| 01***00 | Bolt | 2 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 41***10 | Taper.Roller Bearing | 12 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4500-02a0 Rear Axle (Differential And Brake)
| 01***30 | Capscrew - M12 X 1.75 | 30 |
| 01***35 | Bolt, Mount Carrier | 13 |
| 01***45 | Capscrew - M16 | 16 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4500-03a0 Rear Axle (Mounting Parts)
| 01***30 | Bolt, Mount Housings To Differential | 28 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 28 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 24 |
Komatsu : Wa250-3l(S/N A70001-Up) : Power Train And Final Drive : Fig No. F4810-01a0 Transmission Mounting Parts
| 01***30 | Bolt, Mount Transmission To Frame | 2 |
| 01***18 | Nut | 2 |
| 01***60 | Washer,Single Flange (Trimming) | 2 |
Suspension And Wheels (Wheel Type Machine)
Komatsu : Wa250-3l(S/N A70001-Up) : Suspension And Wheels (Wheel Type Machine) : Fig No. S0110-01a0 Rin (For 17.5-25 Tubeless Tire)
| 41***00 | Wheel Assembly | 4 |
Work Equipment
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4110-01a0 Lift Arm And Bellcrank
| 01***25 | Bolt, Pinlock | 4 |
| 01***06 | Nut, (Service Parts) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4110-01a1 Boom Kick Out And Bucket Positioner
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
| 08***12 | Clip, Clip,(With Auto Emergency Steering) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4110-01a3 Lift Arm (With Front Attachment) (With 3-Spool Control Valve)
| 01***25 | Bolt, Pinlock | 4 |
| 01***06 | Nut, (Service Parts) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4110-02a0 Lift Arm And Bellcrank (Mounting Parts)
| 01***25 | Bolt, Pinlock | 3 |
| 01***06 | Nut, (Service Parts) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4110-02a3 Lift Arm And Bellcrank (With 3-Spool Piping)
| 01***25 | Bolt, Pinlock | 3 |
| 01***06 | Nut, (Service Parts) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4120-01a0 Bucket, 1.9m3 (With Bolt On Cutting Edge, 1.9m3)
| 41***10 | Bucket | 1 |
| 41***20 | Plate,(Welded) | 2 |
| 41***22 | Blade, Cutting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4120-01a2 Light Material Bucket, 2.5m3 (With Bolt On Cutting Edge, 2.7m3)
| 41***10 | Bucket | 1 |
| 41***20 | Plate (Wleded) | 2 |
| 41***22 | Blade, Cutting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4120-01a3 Excavating Bucket, 1.8m3 (With Bolt On Cutting Edge, 1.9m3)
| 41***20 | Plate,(Welded) | 2 |
| 41***10 | Bucket | 1 |
| 41***22 | Blade, Cutting | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4122-01a0 Bolt On Cutting Edge
| 01***60 | Washer (Kit) | 8 |
| 02***85 | Bolt | 8 |
| 02***25 | Nut, 1 In. Nc | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4130-01a2 Tip Tooth
| 01***80 | Washer,(For R.H. Steering) | 2 |
| 02***25 | Nut, 1 In. Nc | 2 |
| 09***95 | Bolt, Mount Corner Adapter Or Teeth | 14 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4140-01a0 Lift Cylinder (Lift Cylinder And Piping)
| 01***25 | Bolt, Pinlock | 4 |
| 01***65 | Bolt - Transmission Tube Mounting | 2 |
| 01***09 | Nut,(For Japan) | 8 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4140-01a1 Lift Cylinder
| 07***20 | O-Ring,Cover? Transfer Case | 1 |
| 07***15 | O-Ring,(Y1621-01a0-10) | 1 |
| 07***16 | Ring,(Y1621-01a0-11) | 1 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4150-01a0 Dump Cylinder (Dump Cylinder And Piping)
| 01***25 | Bolt, Pinlock | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4150-01a1 Dump Cylinder (Dump Cylinder And Piping)
| 01***25 | Bolt, Pinlock | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 4 |
Komatsu : Wa250-3l(S/N A70001-Up) : Work Equipment : Fig No. T4150-01a2 Dump Cylinder (High Lift Bucket Cylinder)
| 01***25 | Bolt, Pinlock | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 4 |
WA250-3L(S/N A70001-UP) serial number reference
The PIN plate is located on the front frame, on the right-hand side of the articulation joint. Read the first three characters of the serial number sequence to identify the prefix.
| Prefix | Identifies | Notes |
|---|---|---|
| A70 | WA250-3L (S/N A70001-UP) | Identifies the WA250-3L production sequence starting from A70001. Engine is the S6D102E-1. Verify specific build details with dealer. |
Frequently asked questions
What engine is installed in the WA250-3L?
The machine is equipped with a Komatsu S6D102E-1 diesel engine.
What is the operating weight of this loader?
The exact operating weight varies by configuration and attachment, but related WA250 models typically fall within the 24,170 lb (10,963 kg) to 25,507.5 lb (11,570 kg) range.
What model replaced the WA250-3 series?
The machine was succeeded by later generations such as the WA250-5 and WA250-6 series.
What WA250-3L(S/N A70001-UP) owners discuss
What are the common causes for a WA250-3 to lose forward or reverse movement despite good transmission pressures?
If transmission pressures test within spec but the unit will not move, inspect the transmission control valve for blockages or damage. Additionally, check the transmission damper for wear or damage, as this component absorbs shocks between the engine and transmission.
What specific engine is used in the Komatsu WA250-3L (S/N A70001-UP)?
The WA250-3L (S/N A70001-UP) is equipped with a Komatsu S6D102E-1 engine.
What should be checked if the hydraulic system is causing movement issues or if the machine starts but will not move?
Inspect the hydraulic fluid level and condition. Low or contaminated fluid can prevent machine movement. For transmission-related movement failure, also check for faulty hydraulic control valves.
What are known electrical or sensor issues that trigger warning signals on Komatsu machines?
Electronic control systems may trigger multiple warnings due to a single faulty sensor or unstable power supply. Common symptoms include intermittent starting, dashboard failure, or random machine shutdowns. Specific sensor faults can include high/low voltage feedback for intake air temperature or coolant temperature sensors.
What are the typical fluid capacities for the hydraulic and transmission systems on a WA250-3?
The hydraulic system capacity is approximately 16.9 gal (64 L). The torque converter and transmission capacity is approximately 7.9 gal (30 L).
What should be checked when buying a used Komatsu WA250-3L (S/N A70001-UP)?
Verify the exact serial-prefix specification sheet and installed attachment package. Check for signs of transmission oil consumption, such as monthly losses of 1 to 1.5 gallons, and inspect all axles, hydraulic tanks, and the engine for high oil levels that could indicate internal leaks. Ensure the transmission damper is intact and check for any history of fuel injector failure due to contaminated or poorly filtered fuel.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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