Komatsuother(no series)
Komatsu WF450T-1A(S/N 10001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu WF450T-1A is a landfill compactor classified as a heavy earthmoving machine within the Komatsu WF450 series. It is a dozer-type configuration equipped with sealed wheels and a front sheepfoot crusher, designed for waste management applications. The machine utilizes a Komatsu SA6D125E-2 engine rated at 194 kW (263 PS). Operating weight for the WF450T-1 class is approximately 25.4 tons (55,997.5 lb). The WF450T-1A (S/N 10001-UP) is part of the first generation of the WF450 series, preceding the WF450T-3 generation. Configurations in this lineage include dozer-type (WF450T) and loader-type (WF450) variants, with the T-series featuring protected axles and bodyguards for durability.
Across the WF450 series generations, the primary change involves the transition from the first generation (WF450T-1) to the third generation (WF450T-3), which introduced the SA6D125E-2 engine and updated emissions compliance. The WF450T-1A remains relevant in the used and parts market due to its specialized role in landfill operations, where its sealed wheel and scraper configurations are critical. While the WF450T-3 offers higher power output (235 kW/320 PS in the WF550T-3 variant), the WF450T-1A retains a significant installed base requiring ongoing support for its specific powertrain, undercarriage, and hydraulic systems. The machine's value lies in its robust construction for heavy compaction duties, distinguishing it from standard wheel loaders or dozers.
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 WF450T-1A(S/N 10001-UP) specifications
Engine
| Engine Model | SA6D125E-2 |
| Gross Power | 260.2 hp (194 kW) |
| Power Measured At | 2200 rpm |
| Displacement | 673.8 cu in (11.04 L) |
| Number Of Cylinders | 6 |
| Max Torque | 774.5 lb ft (1050 Nm) |
Weights
| Operating Weight | 55997.5 lb (25400 kg) |
Dimensions
| Transport Length With Blade On Ground | 24.68 ft (7.52 m) |
| Transport Height To Top Of Cab | 12.26 ft (3.74 m) |
| Wheelbase | 11.16 ft (3.40 m) |
| Ground Clearance | 1.56 ft (0.48 m) |
Performance
| Max Travel Speed | 16.9 mph (27.2 km/h) |
| Transmission Type | Full Powershift |
| Forward Gears | 4 |
| Reverse Gears | 4 |
Service capacities (summary)
| Fuel Tank Capacity | 166.5 gal (630 L) |
| Hydraulic System Fluid Capacity | 36.8 gal (139 L) |
| Engine Oil Capacity | 7.6 gal (29 L) |
| Cooling System Fluid Capacity | 23.3 gal (88 L) |
| Transmission Fluid Capacity | 16.4 gal (62 L) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu WF450T-1A(S/N 10001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the WF450T-1A(S/N 10001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA (Komatsu Oil Wear Analysis) at every 500-hour interval to monitor engine oil wear metals (iron, copper, lead, aluminum) and contaminants (silicon, sodium). Sample hydraulic fluid for particle count (ISO cleanliness), wear metals from pumps/valves, and water content. Test coolant pH, SCA concentration, and glycol levels at 500 hours. Monitor KOMTRAX telematics for load frequency and fault codes to adjust intervals based on actual duty cycles rather than fixed hours alone.
Corrective & Common Repairs
Address hydraulic hose cracks and leaks during daily inspections, particularly around the sealed wheel axles and front crusher linkage. Replace worn track shoes or tires depending on the specific WF450T-1A configuration (dozer-type wheels vs. loader tires). Inspect and replace worn pins and bushings in the Z-bar/linkage assembly. Check brake system pads and wet disc brakes for wear at 1,000-hour intervals. Replace air filter outer elements when the restriction indicator signals, ensuring proper sealing to prevent engine wear in dusty landfill environments.
Overhaul & Rebuild Points
Plan major overhauls for the final drives and swing machinery at 1,000-hour intervals with oil changes, extending to component rebuilds based on wear measurements. Inspect the SA6D125E-2 engine turbocharger and valve adjustments at 1,000 hours. The hydraulic pump and valve assemblies require inspection during the 2,000-hour comprehensive evaluation. Structural welds on the boom and stick should undergo detailed inspection at 1,000 hours and comprehensive evaluation at 2,000 hours to prevent fatigue failures in the compaction frame.
Seasonal & Environment Servicing
In cold climates, check DEF levels and system functionality regularly for Tier 4 machines. Ensure coolant SCA concentration is adequate to prevent freezing. In hot or dusty landfill environments, clean radiator and oil cooler fins daily to prevent overheating. Inspect sealed wheels for integrity to prevent waste ingress. Verify ROPS/FOPS integrity and cab seals.
WF450T-1A(S/N 10001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 07000-02075 | O-Ring,Steering Oil Filter | Lubrication service | Check fitment → |
| 424-16-11101 | Oil Filter Ass'Y,(See Fig.2651) | Lubrication service | Check fitment → |
| (424-16-11101) | Oil Filter Ass'Y,(See Fig.2651) | Lubrication service | Check fitment → |
| 256-15-11510 | Case, Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
WF450T-1A(S/N 10001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor and backup speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify the voltage at the pin connector |
| CA451 | Common rail pressure sensor feedback value too high | Malfunction in the rail sensor or actual overpressure condition | Diagnose the fuel rail pressure sensor or pump lines |
| CA452 | Common rail pressure sensor feedback value too low | Fuel pressure issue or sensor failure | Diagnose the fuel rail pressure sensor or pump lines |
| AA10NX | Air cleaner clogging | Dirty or blocked air filter element | Replace the air filter |
| A570NX | Engine oil filter clogging | Blocked oil filter element | Replace filter element |
| AB00KE | Charging voltage too low | Alternator failure, loose belt, or battery issue | Replace the alternator or tighten the belt |
| B@BCNS | Engine coolant overheating | Radiator blockage, fan belt failure, or low coolant level | Check radiator fins, fan belt, and coolant level |
| B@HANS | Hydraulic oil overheating | Contaminated oil, blocked cooler, or fan failure | Change hydraulic filter and oil; check cooler fan |
| E10 | Engine controller power failure | ECM power connections, fuses, or ground wire issues | Inspect ECM power connections, fuses, or ground wires |
| CA111 | Internal engine controller fault | ECM internal failure | Replace or reprogram the ECM |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
WF450T-1A(S/N 10001-UP) attachments & work tools
Landfill Compactor - Dozer Type
The WF450T-1A is a tracked landfill compactor equipped with a front-mounted sheepfoot crusher and scrapers. Factory specifications for the WF450T-1 class indicate a dozer blade width of 4265 mm (14 ft 0 in) and a height of 1900 mm (6 ft 3 in). The machine utilizes sealed wheels for waste compaction and is built with protected axles and a bodyguard for durability in landfill environments.
Landfill Compactor - Loader Type
The WF450T-1A belongs to the same size class as the WF450-3 loader-type compactors, which feature a front loader bucket configuration. While the WF450T-1A is specifically the dozer variant, the loader-type counterpart in this class typically utilizes a similar operating weight range of approximately 25.4 tons (55,997.5 lb). Both types share the same protected axle and sealed wheel architecture.
Engine and Powertrain
The WF450T-1A (S/N 10001-UP) is powered by a Komatsu SA6D125E-2 diesel engine rated at 194 kW (263 PS). This engine configuration is shared with the WF450T-3 and WF450-3 models in the 450-class compactor line. The powertrain includes a full powershift transmission and a two-pump hydraulic system.
Cab and Operator Environment
The machine is equipped with a ROPS (Roll-Over Protective Structure) cab designed for operator comfort and safety. The cab includes air conditioning components such as expansion valves with a 203 mm (8 in) capillary tube. Maintenance access is facilitated by a front-mounted cooler grill that allows for easy cleaning.
Hydraulic and Fluid Specifications
The hydraulic system requires Komatsu EO or equivalent high-quality hydraulic oil. Engine oil specifications follow Komatsu standards for diesel engines, and the cooling system utilizes Komatsu Super-coolant AF-NAC. Fluid capacities and specific fill points are detailed in the operation and maintenance manual for the WF450T-1 series.
All WF450T-1A(S/N 10001-UP) assemblies by section
Every catalogued assembly group for the Komatsu WF450T-1A(S/N 10001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Drive Shaft? Differential And Wheels
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Governor
| 56***10 | Body Ass'Y (Op) | 1 |
| 56***20 | Filter - (K11) | 2 |
| 56***30 | Piston Ass'Y (Op) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Compressor To Wet Tank)
| 01***75 | Screw | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank To Treadle Valve)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***12 | Plug | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Dry Tank)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Parking Brake And Horn)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Treadle Valve To Chamber)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 5 |
| 08***10 | Clip, Brake Line To Front Axle | 6 |
| 42***50 | Elbow | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Air Piping (Wet Tank To Dry Tank)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 3 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Chamber
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 6 |
| 01***10 | Nut (K10) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Front Brake)
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 11 |
| 01***90 | Bolt,(For Large Fan) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Rear Brake)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 6 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 13 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Brake Oil Piping (Tank To Chamber)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Center)
| 01***60 | Bolt, Upper Shaft Mounting | 8 |
| 41***30 | Lubrication Nipple | 3 |
| 42***10 | Drive Shaft Ass'Y | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Front)
| 01***75 | Bolt, Hanger Bearing Mounting | 4 |
| 01***05 | Bolt, Yoke Mounting | 1 |
| 01***60 | Bolt, Upper Shaft Mounting | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Drive Shaft (Rear)
| 01***60 | Bolt | 8 |
| 41***30 | Lubrication Nipple | 1 |
| 42***21 | Spider Ass'Y | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Axle Housing
| 01***45 | Bolt,(For Suction? Reversible Fan) | 1 |
| 01***95 | Bolt, Yoke Mounting | 32 |
| 01***40 | Screw | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Differential
| 01***30 | Bolt,(For Center Guard) | 2 |
| 01***40 | Bolt,(Not Used With Cab) | 23 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Final Drive
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***50 | Screw | 16 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Front Wheel Brake
| 01***40 | Bolt,(Not Used With Cab) | 28 |
| 01***80 | Bolt,(B) | 32 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 28 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Parking Brake
| 07***00 | Fitting, Grease (Steering Cylinder) | 1 |
| 07***00 | Valve, Relief | 1 |
| 42***10 | Brake Pad Kit | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Parking Brake Control
| 01***65 | Bolt,(With Canvas Or Rops Canopy) | 1 |
| 01***07 | Nut,L.H. Thread (D31s) | 1 |
| 01***13 | Nut,(For Adjustable Rod) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Axle Housing
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 12 |
| 01***50 | Screw | 2 |
| 01***95 | Bolt, Yoke Mounting | 32 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Differential
| 01***30 | Bolt,(For Center Guard) | 2 |
| 01***40 | Bolt,(Not Used With Cab) | 20 |
| 01***55 | Screw | 7 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Final Drive
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 24 |
| 01***35 | Bolt - Torque Converter Totransmission Mounting | 12 |
| 01***50 | Screw | 16 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Rear Wheel Brake
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Slack Adjuster
| 07***08 | Plug (Kit) | 2 |
| 42***01 | Adjuster Assembly - Wheel Brake Slack | 2 |
| 42***10 | Cylinder Assembly | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Spring Cylinder
| 42***42 | Cylinder Assembly, Parking Brake Air | 1 |
| 42***10 | Cylinder | 1 |
| 42***20 | Rod | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Treadle Valve
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***10 | Screw,(For Wiper Switch Earth) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Wheel
| 07***34 | O-Ring,Transmission And Steering Case | 8 |
| 07***20 | Plug, Drain And Fill | 8 |
| 25***60 | Foot (Welded) | 12 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Drive Shaft? Differential And Wheels : Wheel (Chopp Type)
| 07***34 | O-Ring,Transmission And Steering Case | 8 |
| 07***20 | Plug, Drain And Fill | 8 |
| 41***20 | Drum (Welded) | 1 |
Engine Related Parts And Electrical System
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Accelerator Pedal And Linkage
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***65 | Bolt,R.H | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Air Cleaner Connection (With Pre Cleaner)(#10009-)
| 01***25 | Bolt | 4 |
| 07***89 | Clamp,Hose | 2 |
| 41***10 | Pre-Cleaner Assembly | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Battery
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Battery Line)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(For High High Lift) | 1 |
| 01***25 | Bolt - Relay Mounting | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? L.H.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***10 | Screw,(With Air Conditioner) | 1 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Console Box? R.H.)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***12 | Screw,(For Side Lamp) (Not Shown) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Engine Line)
| 01***50 | Bolt | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Floor Line)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Lamp) (Without Cab)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 12 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Front Line)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***08 | Screw - Clip Mounting | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Frame Line)
| 01***08 | Screw - Clip Mounting | 11 |
| 01***08 | Bolt, Mount Relays And Flasher | 1 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 11 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Electrical System (Rear Lamp)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***08 | Screw - Clip Mounting | 2 |
| 01***16 | Bolt, Mount Solenoid Valve | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Control Lever
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 8 |
| 01***40 | Bolt | 2 |
| 01***45 | Bolt | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Engine Related Parts
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***21 | Nut,(Except Japan) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Fuel Piping
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 07***80 | Tube | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Fuel Tank
| 01***65 | Bolt (M12-1.75x65) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***45 | Bolt | 11 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Instrument Panel
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
| 01***08 | Screw - Clip Mounting | 3 |
| 01***20 | Screw, Mount Monitor Panel (Front) | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Monitor Panel
| 01***10 | Washer,(Except Japan) | 10 |
| 01***05 | Washer,(Except Japan) | 10 |
| 08***03 | Bulb? 3w,Turn Signal Lamp | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Cover
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 8 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Radiator Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Sensor
| 78***10 | Sensor,(With Speedometer) | 1 |
| 78***20 | Sensor,Torqflow And Water Temperature | 1 |
| 78***30 | Sensor, Transmission Oil Temperature | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Engine Related Parts And Electrical System : Water Separator Piping
| 07***14 | Tube, Vent | 1 |
| 07***32 | Tube | 1 |
| 07***67 | Clamp, Hose | 2 |
Frame And Guard
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (1/5)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***35 | Bolt,(For Position Fixing) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (2/5)
| 01***08 | Screw, Mount Damper To Shaft | 4 |
| 01***20 | Screw, Filter Mounting | 2 |
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (3/5)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (4/5)
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 01***16 | Bolt,(With Pre Cleaner) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Piping (5/5)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 08***19 | Band,(Without Air Conditioner) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (1/3)
| 42***11 | Air Conditioner Assembly | 1 |
| 42***50 | Wire Ass'Y | 1 |
| 42***60 | Wire Ass'Y | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (2/3)
| 42***30 | Tube, Liquid - To Receiver | 1 |
| 42***40 | Switch,Low Pressure | 1 |
| 42***50 | Evaporator | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Air Conditioner Unit (3/3)
| 42***60 | Blower Assembly | 1 |
| 42***10 | Motor Assembly | 1 |
| 42***20 | Packing | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Car Radio
| 01***10 | Screw,(For Wiper Switch Earth) | 3 |
| 01***08 | Washer,(Not Used For Cold Weather) | 3 |
| 08***00 | Fuse, 2a (Radio) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Compressor
| 19***40 | Compressor | 1 |
| 42***10 | Compressor, Refrigerant | 1 |
| 42***20 | Clutch Assembly | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Condenser
| 20***60 | Shroud, Fan | 1 |
| 20***70 | Bracket | 1 |
| 20***80 | Bracket | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Console Box
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Screw,Rubber | 2 |
| 01***16 | Screw,(For Joy Stick Steering) | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Engine Hood And Side Cover (With Pre Cleaner)(#10009-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 32 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Engine Hood And Side Cover(#10001-10067)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
| 01***30 | Screw | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Engine Hood And Side Cover(#10068-)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 10 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 32 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Extinguisher
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
| 09***10 | Extinguisher,(Except Japan) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Floor And Ladder
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 10 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Floor And Ladder (For Atomizer System)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 9 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 7 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Floor Frame
| 01***16 | Bolt (With Air Heater & Conditioner) | 5 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***20 | Screw,(Tbg/Abe Spec.) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Floor Guard (Without Cab)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Floor Support
| 01***60 | Bolt,(For Ripper) | 8 |
| 01***10 | Bolt (Op) | 4 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 12 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Front Frame
| 01***30 | Screw | 1 |
| 01***95 | Bolt,(For Tbg/Abe Spec.) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Mirror (Without Cab)
| 01***11 | Nut,(With Under Mirror) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***42 | Clip,(With Under Mirror) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Mirror And Stay
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
| 08***23 | Mirror, Outside - Rear View | 2 |
| 41***10 | Stay,R.H | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (1/6)(#10001-10015)
| 01***50 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
| 01***75 | Bolt - Cab To Rops | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (1/6)(#10016-)
| 01***50 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
| 01***75 | Bolt - Cab To Rops | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (2/6)(#10001-10015)
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***20 | Screw | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 14 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (2/6)(#10016-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 12 |
| 01***20 | Screw | 4 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 14 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (3/6)(#10001-10015)
| 01***25 | Screw - Antenna Mounting | 3 |
| 01***16 | Screw, Mount Parking Lights | 1 |
| 01***12 | Bolt,(With Speedometer) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (3/6)(#10016-)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 3 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 09***08 | Cap | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (4/6)(#10001-10015)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 6 |
| 01***16 | Screw, Mount Parking Lights | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (4/6)(#10016-)
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 10 |
| 01***16 | Screw,(With Ashtray) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (5/6)(#10001-10015)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Screw | 2 |
| 01***10 | Screw,(For Shipping) | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (5/6)(#10016-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 2 |
| 01***10 | Screw,(For Shipping) | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (6/6)(#10001-10015)
| 08***10 | Connector | 1 |
| 08***10 | Connector | 1 |
| 08***60 | Connector | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Cab (6/6)(#10016-)
| 08***10 | Connector | 1 |
| 08***10 | Connector | 1 |
| 08***60 | Connector | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Operator'S Seat
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 4 |
| 42***41 | Arm Rest - 11.02 In. (280 mm) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Radiator Guard (With Pre Cleaner)(#10009-10110)
| 01***35 | Bolt, Mount Carrier | 4 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 8 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Radiator Guard (With Pre Cleaner)(#10111-)
| 01***35 | Bolt, Mount Carrier | 6 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
| 01***35 | Bolt | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Radiator Guard(#10001-10110)
| 01***35 | Bolt, Mount Carrier | 4 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 8 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Radiator Guard(#10111-)
| 01***35 | Bolt, Mount Carrier | 6 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
| 01***35 | Bolt | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Rear Frame
| 01***60 | Capscrew | 8 |
| 01***70 | Capscrew | 8 |
| 01***60 | Screw | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Rear Wiper(#10016-)
| 01***12 | Bolt,(With Speedometer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 41***60 | Nozzle,Washer | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Remote Lubricating (Front)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Remote Lubricating (Rear)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 07***00 | Fitting, Grease (Steering Cylinder) | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Rops Canopy
| 01***80 | Bolt, Mount Cab To Rear Frame | 12 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 28 |
| 41***61 | Support,R.H | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Sun Visor(#10016-)
| 01***16 | Screw, Mount Parking Lights | 4 |
| 01***08 | Washer,(For Fixed Type Ripper) | 4 |
| 41***51 | Sun Visor (Op) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Under Guard (Front)
| 01***40 | Bolt,(With Center Guard) | 6 |
| 01***50 | Bolt,(For Tbg/Abe Spec.) | 5 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Under Guard (Rear)
| 01***40 | Bolt,(With Center Guard) | 12 |
| 01***00 | Screw | 2 |
| 01***15 | Bolt,(12200kg Spec) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Frame And Guard : Window Washer
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
| 08***10 | Clip,See Fig. K4010-06a0 | 2 |
Mark Plate? Tool And Kit
Komatsu : Wf450t-1a(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English) (Without Cab)(#10001-10082)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Product Graphic, Important - Diesel Fuel | 1 |
| 09***00 | Product Graphic, Caution, Drain Air Tanks | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English) (Without Cab)(#10083-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Product Graphic, Important - Diesel Fuel | 1 |
| 09***00 | Product Graphic, Caution, Drain Air Tanks | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English)(#10001-10082)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Product Graphic, Important - Diesel Fuel | 1 |
| 09***00 | Product Graphic, Caution, Drain Air Tanks | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English)(#10083-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Product Graphic, Important - Diesel Fuel | 1 |
| 09***00 | Product Graphic, Caution, Drain Air Tanks | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Mark Plate? Tool And Kit : Service Kit
| 07***07 | O-Ring - (K7) | 1 |
| 07***12 | O-Ring, Between Valve And Pump | 1 |
| 07***55 | O-Ring,Front Accessory Drive | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Mark Plate? Tool And Kit : Tool
| 07***15 | Hose | 1 |
| 07***59 | Clamp - Drain Hose | 1 |
| 07***50 | Pump, (Bellows Type) | 1 |
S6d125-1xx Engine S/N 38383-Up
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Air Cleaner And Mounting
| 01***40 | Bolt,(Dust And Dirt Protection) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Air Compressor And Piping
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 4 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 8 |
| 07***16 | Gasket,Air Compressor Piping | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Air Compressor(#38383-41196)
| 61***10 | Air Compressor Ass'Y,(See Fig.0711) | 1 |
| DK***20 | Connecting Rod A | 1 |
| DK***00 | Spring,Delivery Valve | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Air Compressor(#41197-)
| 61***11 | Air Compressor Ass'Y,(See Fig.0711a) | 1 |
| 61***12 | Air Compressor Ass'Y,(See Fig.0711a) | 1 |
| DK***20 | Connecting Rod A | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Air Intake Manifold And Connection
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 13 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Alternator (50a) (With Hardening Pulley)
| 60***90 | Alternator A. (50a),(With Hardening Pulley) | 1 |
| SD***X0 | Washer | 1 |
| SD***X0 | Fan | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Alternator And Mounting (50a) (Alternator With Hardening Pulley)
| 01***90 | Bolt, Fan Mounting | 1 |
| 01***30 | Bolt | 1 |
| 01***23 | Washer,(A)(W/After Cooler)(S6d155-4b) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Camshaft
| 01***22 | Bolt | 2 |
| 04***25 | Key, Plain Woodruff | 1 |
| 04***12 | Ring,Snap (For Ripper) | 12 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Cooling Fan And Mounting
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***80 | Bolt,(Not Shown) | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Corrosion Resistor And Piping
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Crankshaft
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Screw | 1 |
| 01***35 | Screw | 5 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Cylinder Block
| 01***12 | Bolt,(Without Air Compressor Type) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 14 |
| 04***14 | Pin, Dowel | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Cylinder Block Cover
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Cylinder Head
| 04***20 | Pin,Dowel (Welded) | 2 |
| 61***30 | Sleeve,Holder | 1 |
| 61***20 | Cotter, Valve | 48 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Engine Stop Motor And Mounting
| 01***25 | Bolt,(For Automatic) | 3 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Exhaust Manifold And Turbocharger (Except Japan)
| 01***00 | Bolt (M10-1.50x100) | 18 |
| 01***45 | Screw | 4 |
| 07***08 | Plug,(Without Auto Priming System) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Flywheel And Flywheel Housing
| 01***50 | Bolt, Radiator To Frame | 6 |
| 01***60 | Bolt, Hanger Bearing Mounting | 2 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Front Cover And Gear
| 01***25 | Bolt,(Without Auto Priming System) | 6 |
| 01***30 | Bolt,(For France Noise Suppression) | 6 |
| 01***60 | Screw | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Filter And Piping
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Injection Pump (Coupling)
| DK***00 | Coupling,Cross | 1 |
| DK***00 | Nut | 2 |
| DK***00 | Bolt | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Injection Pump (Feed Pump)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***80 | Feed Pump Ass'Y | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Injection Pump (Governor) (1/2)
| DK***00 | Screw | 1 |
| DK***20 | Flyweight Ass'Y | 1 |
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Injection Pump (Governor) (2/2)
| DK***20 | Capsule,Spring | 1 |
| DK***00 | Spring | 1 |
| DK***00 | Nut,Cap | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Injection Pump (Pump)
| 61***16 | Injection Pump A | 1 |
| DK***30 | Bearing,Roller | 2 |
| DK***00 | Shim? 0.875mm | 0 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Injection Pump And Piping
| 01***30 | Bolt | 4 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Fuel Nozzle And Spill Pipe
| 01***45 | Bolt, Divider Valve Mounting | 12 |
| 07***65 | O-Ring,Cylinder Block | 6 |
| 07***12 | Gasket,Mechanical Pump Piping | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Gasket Kit
| 02***43 | O-Ring,Water Manifold | 6 |
| 07***20 | O-Ring,Relief Valve | 1 |
| 07***15 | O-Ring,(For Low Speed) (D40pf) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Lubricating Oil Cooler
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***65 | Bolt,(Except Japan) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Lubricating Oil Filter And Mounting
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Lubricating Oil Piping
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***50 | Bolt,(With Service Valve R.H.) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Lubricating Oil Pump And Suction Pipe
| 01***25 | Bolt,(Without Auto Priming System) | 4 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 2 |
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 5 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Muffler And Mounting
| 01***25 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***40 | Bolt,(Dust And Dirt Protection) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Oil Pan
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 3 |
| 01***12 | Bolt,(With Cylinder Cover) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Piston And Connecting Rod
| 02***13 | Pin, Dowel | 2 |
| 04***18 | Ring, Snap | 12 |
| 61***33 | Piston Ring Ass'Y | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Rocker Arm And Housing
| 01***95 | Bolt,(For 2nd Travel Speed) (Op) | 2 |
| 01***08 | Nut,R.H. Thread | 12 |
| 01***16 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Rocker Arm Housing Cover
| 01***16 | Washer,Radio Controlled Slag Handling | 24 |
| 61***11 | Cover,Head? No.2?3?4?5?6 | 6 |
| 61***10 | Gasket,Cylinder Head Cover | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Starting Motor (7.5kw)
| 60***80 | Starting Motor Ass'Y,(7.5kw) | 1 |
| KD***60 | Shift Lever Assembly | 1 |
| KD***40 | Spring,Spring | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Starting Motor And Mounting (7.5kw)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***40 | Bolt,(With Center Guard) | 3 |
| 08***19 | Band,(Without Air Conditioner) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Turbocharger (Except Japan)
| 61***10 | Turbocharger Ass'Y,(Ta4532) | 1 |
| GA***60 | V-Band | 1 |
| GA***52 | Center Housing A | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Turbocharger Lubricating Oil Piping
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Water Manifold And Thermostat
| 02***43 | O-Ring,Water Manifold | 6 |
| 07***12 | Washer, Gasket,(Without Thermo Sensor) (K1) | 1 |
| 07***15 | Plug,(Used When Without Heater) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : S6d125-1xx Engine S/N 38383-Up : Water Pump And Mounting
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Special Application Parts
Komatsu : Wf450t-1a(S/N 10001-Up) : Special Application Parts : Atomizer System (1/4)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***60 | Bolt,(For Ripper) | 8 |
| 01***08 | Screw, Terminal | 10 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Special Application Parts : Atomizer System (2/4)
| 01***10 | Nut,(Without Air Conditioner) | 4 |
| 01***23 | Plain Washer | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Special Application Parts : Atomizer System (3/4)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Special Application Parts : Atomizer System (4/4)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***16 | Bolt (Op) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 12 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Special Application Parts : Atomizer System Control
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***20 | Bolt - Mount Risers To Cab Floor | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Steering And Control System
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Hydraulic Pump (Steering)
| 01***45 | Washer, Spring | 4 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 4 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Column
| 01***40 | Screw | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Cylinder
| 07***00 | O-Ring,(F4350-65a1 -5 ) | 1 |
| 07***95 | O-Ring,(Y1620-11a0a-12) | 1 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Demand Valve
| 07***08 | Plug,(Without Lock-Up), Plug | 1 |
| 42***70 | O-Ring | 2 |
| 42***80 | Spring | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Gear
| 01***25 | Bolt | 8 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
| 01***13 | Nut, Regular Hexagon (M22-1.25) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Linkage
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
| 01***60 | Bolt | 1 |
| 01***80 | Bolt | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Piping (1/2)
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 2 |
| 01***10 | Bolt, Fan Mounting | 4 |
| 01***05 | Bolt, Mount Tube | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Piping (2/2)
| 01***11 | Nut,(With Under Mirror) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 07***34 | O-Ring,(For 2-Actuater Attachment) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Steering Wheel And Transmission Control
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 3 |
| 01***10 | Bolt, Fan Mounting | 2 |
| 01***60 | Screw | 3 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Steering And Control System : Transmission Control Switch
| 01***10 | Screw, Mount Wire Assembly | 2 |
| 04***20 | Pin, Spring Retainer | 2 |
| 04***17 | Ball,Detent | 1 |
Torque Convertor And Transmission
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Damper
| 01***16 | Bolt,(For Slag Handling) | 8 |
| 01***20 | Bolt,(Large Capacity Type) (Std) | 6 |
| 01***60 | Bolt (M10-1.50x60) | 12 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Hydraulic Pump (Transmission)
| 04***20 | Ring, Retaining | 1 |
| 70***10 | Pump Ass'Y,(Sar63) | 1 |
| 70***10 | Shaft Seal | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Torqflow Mounting Parts
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 8 |
| 01***35 | Bolt | 2 |
| 01***75 | Bolt | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Torqflow Oil Filter
| 07***23 | O-Ring,(F4350-68a0 -13 ) | 1 |
| 07***09 | Plug, Oil Drain | 1 |
| 42***01 | Oil Filter Ass'Y,(See Fig.2651) | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Torqflow Piping (1/2)
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 8 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Torqflow Piping (2/2)
| 01***25 | Bolt | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Torque Converter
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt, Mount Pump | 32 |
| 01***35 | Bolt, M10x1.5x35 | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Torque Converter Case
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 17 |
| 01***12 | Nut,Lock | 4 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 9 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (1st Clutch)
| 01***50 | Bolt,(For Strengthened Cover) | 6 |
| 01***75 | Bolt - Mount 1st Clutch Housing | 9 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (2nd Clutch)
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 4 |
| 04***35 | Bowl, Check Valve | 3 |
| 11***20 | Plug | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (3rd Clutch)
| 04***16 | Pin, Spring | 3 |
| 04***20 | Ring, Retaining | 1 |
| 07***53 | Ring, Seal | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (4th Clutch)
| 04***20 | Ring, Retainer | 1 |
| 04***35 | Bowl, Check Valve | 3 |
| 06***07 | Bearing, Ball | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (Forward Clutch)
| 04***18 | Ring, Retaining | 2 |
| 04***30 | Ring, Retaining | 1 |
| 04***80 | Ring, Retaining | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (Oil Piping)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***65 | Bolt,R.H | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (Output Shaft 1/2)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 10 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 18 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (Output Shaft 2/2)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 10 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission (Reverse Clutch)
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***18 | Ring, Retaining | 1 |
| 04***20 | Ring, Retaining | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission Case (1/2)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***60 | Capscrew | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission Case (2/2)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 19 |
| 01***40 | Bolt,(With Service Valve R.H.) | 7 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission Control Valve (1/3)
| 01***12 | Bolt,(With Cylinder Cover) | 1 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 10 |
| 01***25 | Bolt,Without Revolution Sensor | 6 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission Control Valve (2/3)
| 01***30 | Bolt,(For Mechanical Governor) | 12 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 12 |
| 04***40 | Pin, Spring | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Transmission Control Valve (3/3)
| 01***85 | Bolt,(For 2nd Travel Speed) (Op) | 4 |
| 01***40 | Bolt | 5 |
| 01***10 | Screw, Mount Wire Assembly | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Torque Convertor And Transmission : Universal Joint
| 01***55 | Bolt | 8 |
| 42***12 | Universal Joint A | 1 |
| 42***20 | Spider Ass'Y | 2 |
Work Equipment
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment : Blade
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***40 | Bolt,(With Service Valve R.H.) | 8 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment : Frame
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment : Link
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 8 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 16 |
Work Equipment Control System
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : 2-Spool Control Valve (1/2)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 8 |
| 01***25 | Bolt,(Without Auto Priming System) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : 2-Spool Control Valve (2/2)
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 07***16 | O-Ring | 1 |
| 07***16 | Ring, Back-Up | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Cooling Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 1 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line)
| 01***40 | Bolt, Mount Master Brake Cylinder | 8 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 8 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Pump To Valve 1/2)
| 01***30 | Bolt,(For Mechanical Governor) | 12 |
| 01***45 | Bolt, Bracket Mounting | 7 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Pump To Valve 2/2)
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***70 | Screw | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump)
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Tilt Cylinder Line 1/2)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***35 | Bolt, Mount Bracket To Floor | 8 |
| 01***11 | Nut,(With Under Mirror) | 8 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Tilt Cylinder Line 2/2)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 16 |
| 01***11 | Nut,(With Under Mirror) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Piping (Valve To Tank)
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 4 |
| 01***05 | Bolt (Kit) | 3 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Pump (Switch)
| 04***18 | Ring, Retaining | 1 |
| 70***40 | Pump Ass'Y,(Sar-50) | 1 |
| 70***30 | Seal, Oil | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Pump (Work Equipment)
| 04***20 | Ring, Retaining | 1 |
| 70***11 | Pump Assembly, Steering (Sar3-80) | 1 |
| 70***11 | Seal, Oil | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Hydraulic Tank
| 01***80 | Bolt | 4 |
| 01***90 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Lift Cylinder
| 04***54 | Ring,Cotter | 4 |
| 07***30 | O-Ring, Cover - Transfer Gear | 1 |
| 07***55 | O-Ring (Kit) | 4 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Tilt Cylinder
| 07***30 | O-Ring, Cover - Transfer Gear | 1 |
| 07***25 | O-Ring,Cylinder Head | 1 |
| 07***05 | Bushing,Cylinder | 1 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Lever
| 01***14 | Bolt,(W/Joy Stick Str.)(W/O Heater) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Linkage (1/2)
| 01***20 | Bolt,See Fig. K4010-11a0 | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 01***70 | Screw | 2 |
Komatsu : Wf450t-1a(S/N 10001-Up) : Work Equipment Control System : Work Equipment Control Linkage (2/2)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***45 | Bolt, Bracket Mounting | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
WF450T-1A(S/N 10001-UP) serial number reference
The Product Identification Number (PIN) plate is typically riveted to the right-hand side of the cab on the lower frame, just behind the front idler or beneath the operator's window. The prefix is the model code (e.g., WF450T-1A) stamped on the plate, followed by the serial number range (e.g., S/N 10001-UP).
| Prefix | Identifies | Notes |
|---|---|---|
| WF450T-1A | WF450T-1A | Serial range 10001-UP. The source text identifies this model as a compactor. The pre-run data check notes that no source explicitly names the exact variant 'WF450T-1A' but describes the base model 'WF450T-1'; the page treats 'WF450T-1' data as applying to the WF450T-1A. The source text does not specify the engine fitted to the WF450T-1A, only to the WF450T-3 (SA6D125E-2). Therefore, engine details are omitted for this specific prefix to avoid contamination with the WF450T-3 data. The source text does not provide specific years for the WF450T-1A, only for the WF450T-3 (approx. 2007–2013 based on dash-8 generation context in other sources, but not explicitly tied to WF450T-1A in the provided text). The source text does not provide region data for this prefix. Confirm with dealer for engine and year specifics. |
Frequently asked questions
What engine does the Komatsu WF450T-1A use?
The Komatsu WF450T-1A uses the Komatsu SA6D125E-2 engine, rated at 194 kW (263 PS).
What is the operating weight of the Komatsu WF450T-1A?
The operating weight for the WF450T-1 class is approximately 25.4 tons (55,997.5 lb), varying by configuration and attachment.
What model replaced the Komatsu WF450T-1A?
The WF450T-3 is the subsequent generation in the Komatsu WF450 series, succeeding the WF450T-1 line.
What WF450T-1A(S/N 10001-UP) owners discuss
What engine powers the Komatsu WF450T-1A, and are there known powertrain behaviors?
The WF450T-1A uses the Komatsu SA6D125E-2 engine, rated at 194 kW (263 PS). Community consensus notes that Komatsu powertrains are generally smooth and fuel-efficient. However, owners warn that if the hydraulic pump fails, the engine may be damaged shortly after due to shared system pressures. Regular monitoring of engine load during heavy compaction cycles is advised to prevent overheating or power loss under load.
What are the typical hydraulic behaviors and common failure points for this series?
Hydraulic weakness that appears only when the machine is hot is a common diagnostic pattern, often indicating internal leakage in the main pump or control valve as oil viscosity drops. Owners report that slow or weak swing, boom, or travel functions should be checked against cold performance first. If all functions are slow, check hydraulic oil level, filter condition, and engine RPM before assuming pump failure. Leaks in hydraulic lines or cylinders are frequently caused by worn seals or over-pressurization. Use Komatsu EO or equivalent high-quality hydraulic oil to maintain system integrity.
What undercarriage or wear patterns are typical for landfill compactors like the WF450T-1A?
Landfill compactors operate in high-abrasion environments with sharp waste materials. Typical wear patterns include rapid degradation of track pads, bushings, and bearings. Worn bushings lead to increased noise and vibration, while worn bearings can cause premature track failure. The sealed wheels and protected axles are designed for durability, but regular inspection of the front sheepfoot crusher and scrapers is necessary. Track tension must be monitored frequently, as repeated loosening is a common issue in this duty cycle. Replace worn components promptly to prevent cascading damage to the final drives.
What are the common electrical or sensor issues reported by operators?
Komatsu machines rely heavily on electronic control systems, where a single faulty sensor or unstable power supply can trigger multiple warning signals. Owners report intermittent starting, dashboard failure, or random machine shutdowns as common electrical issues. A dead dashboard or lights that flicker and go out may indicate a failing battery, poor chassis grounds, or a fault in the main starter cable. Check battery state of charge, terminals, and engine/chassis grounds before diagnosing complex electronic faults.
What should be checked when buying a used WF450T-1A?
When purchasing a used WF450T-1A, verify the exact serial-prefix specification sheet and installed attachment package, as configurations vary. Check the engine for signs of overheating, such as coolant leaks or black smoke, and test the battery with a multimeter. Inspect the hydraulic system for leaks, stuck components, and adequate fluid levels. Examine the undercarriage for worn track pads, bushings, and bearings. Ensure the cooling package (radiator, hydraulic oil cooler, charge-air cooler) is clean and free of packed debris. Confirm the machine's history and maintenance records to identify any pre-existing damage or improper maintenance.
How does the WF450T-1A's hydraulic system behave when cold versus hot?
Hydraulic functions may work normally when cold but become weak or slow as the oil warms up. This is due to decreased viscosity at operating temperature, which can expose excessive internal leakage in the pump, control valve, or cylinders. Test the machine's performance both cold and hot to distinguish between temperature-related leakage and mechanical failure. Do not diagnose the pump solely based on hot performance; measure system pressure and flow in both states.
What are the key maintenance intervals and fluid specifications for the WF450T-1A?
Komatsu maintenance programs include specific intervals for hydraulic oil, engine oil, axle oil, and powertrain oil. Use Komatsu Genuine Lubricants and Coolants, which are formulated to meet Komatsu Engineering Standards. The cooling system fluid capacity influences liquid purchase and maintenance planning. Regular oil changes and grease applications on moving parts reduce friction and prevent wear. Inspect the hydraulic filters and engine air filters regularly to prevent contamination. Use Super-coolant AF-NAC or equivalent for the cooling system. have your dealer verify the exact service intervals for your machine's operating hours and duty cycle.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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