Komatsubulldozersmall ( - d39)
Komatsu D37PX-21(S/N 5001-5499-UP (Overseas Version))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D37PX-21 (S/N 5001-5499-UP Overseas Version) is a compact crawler dozer designed for versatile earthmoving, grading, and utility applications. This machine belongs to the D37 series, powered by the Komatsu SAA4D102E-2 turbocharged and air-to-air aftercooled engine, delivering 85 HP (63.4 kW). It features a dual-path hydrostatic transmission with three forward and three reverse gears, providing a maximum speed of 5.3 mph (8.5 km/h) in both directions. The PX configuration utilizes a wide-track setup for low ground pressure, making it suitable for soft terrain.
The D37PX-21 represents a refined generation within the Komatsu crawler lineup, focusing on optimized hydraulics and improved operator visibility through its super-slant nose design. This series is valued for its balance of maneuverability and durability in small-scale construction and landscaping projects. Maintenance of the hydrostatic powertrain and the SAA4D102E-2 engine remains critical for ensuring operational reliability across various regional emissions 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 D37PX-21(S/N 5001-5499-UP (Overseas Version)) specifications
Engine
| Engine Model | SAA4D102E-2 |
| Net Power | 85 HP (63.4 kW) |
| Displacement | 240 cu in. (3932.9 cc) |
| Number of Cylinders | 4 |
| Aspiration | Turbocharged and air-to-air aftercooled |
Weights
| Operating Weight | 13,910 lb (6,309.5 kg) |
Dimensions
| Length Overall | 158.4 in. (402.3 cm) |
| Width Over Tracks | 90.0 in. (228.6 cm) |
| Height To Top Of Cab | 106.8 in. (271.3 cm) |
| Ground Clearance | 15.6 in. (39.6 cm) |
| Track Gauge | 66.0 in. (167.6 cm) |
| Length of Track on Ground | 88.8 in. (225.6 cm) |
Undercarriage
| Standard Shoe Size | 24 in. (61.0 cm) |
| Number of Shoes Per Side | 41 |
| Number of Track Rollers Per Side | 6 |
| Track Pitch | 65 in. (165.1 cm) |
| Ground Pressure | 4.12 - 4.2 psi (0.3 bar) |
| Ground Contact Area | 4,170 sq in. (68,334.2 cm²) |
Performance
| Max Speed Forward | 5.3 mph (8.5 km/h) |
| Max Speed Reverse | 5.3 mph (8.5 km/h) |
| Transmission Type | Dual-path, hydrostatic transmission |
| Number of Forward Gears | 3 |
| Number of Reverse Gears | 3 |
Blades
| Standard Blade Width | 10.7 - 128 in. (271.8 - 3250 mm) |
| Blade Height | 2.9 - 3 in. (73.7 - 76.2 mm) |
| Blade Angle | 25 degrees |
Service Capacities
| Fuel Capacity | 43.6 gal (165.0 l) |
| Engine Oil Capacity | 3.3 gal (12.5 l) |
| Cooling System Capacity | 7.1 gal (26.9 l) |
| Hydraulic Fluid Capacity | 12.4 gal (46.9 l) |
| Final Drives Capacity | 0.9 gal (3.4 l) |
Hydraulic System
| Relief Valve Pressure | 2,990 psi (206.2 bar) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D37PX-21(S/N 5001-5499-UP (Overseas Version)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase (w/ filter) | 3.3 gal (12.5 l) | Not specified in provided documentation |
| Cooling System | 7.1 gal (26.9 l) to 7.1 gal (27 l) | Not specified in provided documentation |
| Fuel Tank | 43.6 gal (165.0 l) | Not specified in provided documentation |
| Transmission/Powertrain (Dual Power Shift/Hydrostatic) | Not specified | Not specified in provided documentation |
| Bevel Gear/Steering Compartments | Not specified | Not specified in provided documentation |
| Final Drives (each) | 0.9 gal (3.4 l) to 0.9 gal (3.5 l) | Not specified in provided documentation |
| Hydraulic System/Tank | 12.4 gal (46.9 l) to 12.4 gal (47 l) | Not specified in provided documentation |
| Grease | Not specified | Not specified in provided documentation |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D37PX-21(S/N 5001-5499-UP (Overseas Version)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the D37PX-21(S/N 5001-5499-UP (Overseas Version)) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize Komatsu Oil Wear Analysis (KOWA) to monitor engine and hydraulic health. Regularly check the 3.3 gal (12.5 L) engine oil capacity and 12.4 gal (46.9 L) hydraulic system for contaminants. Monitor the 7.1 gal (26.9 L) cooling system for degradation. Proactive analysis of these fluids prevents failures in the SAA4D102E-2 and hydrostatic transmission components, extending the service life of the powertrain.
Corrective & Common Repairs
Address frequent issues such as hydraulic control valve malfunctions or transmission pump failures if movement becomes erratic. Inspect for track creep or engagement issues by checking the brake and hydraulic pressure. If the engine fails to start, verify battery voltage and terminal connections. For undercarriage maintenance, regularly inspect track shoe bolts and adjust tension to prevent premature wear on rollers and idlers.
Overhaul & Rebuild Points
Major service milestones include the 2000-hour hydraulic oil change and filter replacement. During engine overhauls, focus on inspecting the turbocharger rotor play and adjusting valve clearances. For the undercarriage, monitor the wear of track shoes and rollers. Rebuilding the hydrostatic transmission requires precise inspection of the dual-path components to restore original torque and speed specifications.
Seasonal & Environment Servicing
In cold climates, utilize the electrical intake air heater and follow specific cold-weather starting procedures. During high-dust operations, prioritize cleaning the air cleaner element and radiator fins to prevent overheating. For long-term storage, ensure the machine is cleaned, the fuel tank is stabilized, and all critical components are protected from moisture to prevent corrosion of the chassis and hydraulic cylinders.
D37PX-21(S/N 5001-5499-UP (Overseas Version)) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 6732-71-6111 | Filter, Fuel - Secondary | Fuel system service | Check fitment → |
| 09637-30163 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 14X-911-7741 | Filter,Air | Air intake service | Check fitment → |
| 17M-911-3530 | Element,Air | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D37PX-21(S/N 5001-5499-UP (Overseas Version)) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E03 | Parking brake or swing brake system fault | Mechanical failure or electrical circuit malfunction in the braking assembly | Inspect parking brake engagement and check brake circuit for electrical continuity |
| E10 | Engine controller power failure | Loss of supply voltage to the engine management system | Check battery connections and engine controller power supply fuses |
| E11 | Engine control failure (power reduction) | Malfunction in the engine management system causing protective derate | Inspect engine sensors and electronic control modules for faults |
| E14 | Feedback system failure | Sensor signal error or broken feedback loop in the control circuit | Verify sensor wiring integrity and check for signal discrepancies |
| E15 | Engine sensor malfunction | Faulty temperature, fuel pressure, or oil pressure sensors | Test engine-related sensors for short circuits or open circuits |
| CA428 | Water in fuel sensor high error | Contamination of fuel with water detected in the separator | Drain the water from the fuel/water separator immediately |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D37PX-21(S/N 5001-5499-UP (Overseas Version)) attachments & work tools
Blades
Standard blade features a 25 degree angle in both directions. Available configurations include angle blades, U-blades, and S/SU/A types; widths vary by configuration, though related D37PX-21A models feature a 3.25 m (10.7 ft) width.
Rippers
Ripper attachments are available for this machine class.
Winches
Towing winch options are available; verify specific compatibility with your dealer.
Drawbars/counterweights
Drawbar swing components are available as OEM parts.
Cab/ROPS guarding options
The machine features a cab specification with silicon oil filled cab damper mounts to suppress vibrations.
Hydraulic arrangement notes
The system utilizes a dual-path hydrostatic transmission and includes tilt, angle, and lift cylinder assemblies and dozer oil lines. Relief valve pressure is rated at 2990 psi (206.2 bar).
All D37PX-21(S/N 5001-5499-UP (Overseas Version)) assemblies by section
Every catalogued assembly group for the Komatsu D37PX-21(S/N 5001-5499-UP (Overseas Version)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessory
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Accessory : Cap And Overall
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Accessory : Spare Parts
| 09***00 | Box,Spare Parts (Except Usa) | 1 |
| 11***21 | Cartridge,Hydraulic Oil Filter (D31s) | 1 |
| 71***11 | Element, Transmission Oil Filter | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Accessory : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***17 | Nozzle | 1 |
Cooling System
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Cooling System : Cooling (Cover)
| 01***20 | Bolt,(For Mono Lever Steering) | 15 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 17 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Cooling System : Cooling (Mount)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***40 | Bolt (Op) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Cooling System : Cooling (Piping)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Cooling System : Cooling (Radiator And Oil Cooler)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***30 | Bolt,(With Body Positioner) | 7 |
| 01***00 | Bolt,(For Front Brake Release) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Cooling System : Reserve Tank
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Electrical System
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Electrical System : Back-Up Alarm
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***00 | Bolt,(For Front Brake Release) | 2 |
| 01***12 | Bolt,(See Fig. K0210-16a0) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Electrical System : Battery
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Electrical System : Battery Wiring
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Electrical System : Electrical System (Engine Wiring)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Electrical System : Electrical System (Horn And Floor Wiring Clip)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Electrical System : Electrical System (Vehicle Wiring)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 17 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Electrical System : Vehicel Lamp
| 11***72 | Lamp | 3 |
| 42***30 | Bulb? 70w,24v 70w | 3 |
Engine Related Parts
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : After Cooler (Air To Air)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 1 |
| 01***60 | Bolt,For Weight Adjusting Bolt | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Air Conditioner (Compressor)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***90 | Bolt,With Cover | 3 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 9 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Compressor
| 20***10 | Air Compressor A. (Kit) | 1 |
| ND***70 | Clamp, Tapping | 1 |
| ND***40 | Compressor Assembly | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Damper
| 01***30 | Bolt,(With Body Positioner) | 12 |
| 01***32 | Washer,(With Auto Emergency Steering) | 12 |
| 07***11 | Plug,(For Shipping) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Engine Mounting Parts
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Engine Related Parts (Except Japan)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Heater Switch
| 60***70 | Switch,Air Intake Heater | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Muffler
| 01***25 | Bolt | 4 |
| 01***12 | Bolt,(With Speedometer) | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Engine Related Parts : Spare Parts
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 2 |
| 67***11 | Gasket,Air Intake Heater | 1 |
| 67***81 | Gasket, Valve Cover | 4 |
Fuel Tank And Related Parts
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Fuel Tank And Related Parts : Fuel Line
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 9 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Fuel Tank And Related Parts : Fuel Tank
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***12 | Screw | 5 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Fuel Tank And Related Parts : Water Separator
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***45 | Bolt,(For 60ton Dump Body) | 4 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 4 |
Guard
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Engine Hood(#5001-)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***45 | Bolt, Mounting Cranking Motor | 4 |
| 01***20 | Bolt,Sems | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Engine Side Cover (Lower)
| 01***16 | Bolt - Box Mounting | 8 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 8 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Engine Side Cover (Upper) (For Eu)(#5091-5499)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***45 | Bolt,(With Water Separator Type) | 16 |
| 01***12 | Washer,(With Body Positioner) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Floor Cover (For Air Condtioner)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 11***60 | Plate | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Front Hook
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 6 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 6 |
| 11***10 | Hook | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Radiator Guard (Grid Mask) (For Rops Sweep)
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***35 | Bolt,(With Rops) | 10 |
| 01***25 | Bolt,(Without Gps Antenna Bracket) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Radiator Mask (Grid) (For Rops Sweep)
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 4 |
| 01***25 | Bolt | 4 |
| 01***25 | Bolt,(Without Gps Antenna Bracket) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Rear Cover (For Air Condtioner)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 5 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Rear Guard (Battery Cover)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Rear Guard (Fender)
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 5 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 24 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Rear Guard (Front Bracket)
| 01***55 | Bolt,(Not Used For Chip Dozer) | 6 |
| 01***65 | Capscrew - M16 X 2.00 X 90 | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Rops Mount
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 24 |
| 01***45 | Bolt,(For L=529mm Pin) | 4 |
| 01***19 | Nut - M24 | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Guard : Under Guard
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 10 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 5 |
Hydraulic System
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Angle Cylinder Line
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***40 | Bolt (Op) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Angle Cylinder Line (Bracket)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 16 |
| 01***07 | Nut,(With Body Positioner) | 12 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Dozer Oil Line (For Pat)(#5115-5499)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Drain Line
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***75 | Bolt - Tube Mounting | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump
| 01***40 | Screw, Hex Socket | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 8 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump Line (Delivery)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 2 |
| 01***09 | Nut,(For Japan) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump Line (Suction)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***09 | Nut,(For Japan) | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Hydraulic Tank
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***40 | Bolt (Op) | 4 |
| 01***16 | Screw | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Hydraulic Tank (Mount And Filter)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Lift Cylinder Line (Hose)
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Main Valve (Mount And Elbow)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***65 | Bolt,(Used With Pin Puller) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Oil Cooler Line
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***09 | Nut,(For Japan) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Branch Hose)
| 02***03 | Hose | 1 |
| 02***03 | Hose | 2 |
| 11***80 | Hose | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Charge Filter)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Elbow)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 02***15 | Union | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Hose)
| 01***25 | Capscrew | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***23 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Solenoid Valve)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Toe Valve)
| 01***09 | Nut,(For Japan) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 04***16 | Pin (Itl) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Valve)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 1 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Tilt Cylinder Line
| 02***A7 | Hose | 1 |
| 02***08 | O-Ring (Kit) | 2 |
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Hydraulic System : Travel Line
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***75 | Bolt (M10-1.50x75) | 4 |
| 01***85 | Bolt, Divider Valve Mounting | 4 |
Main Frame And Related Parts
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Main Frame And Related Parts : Main Frame
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 2 |
Marks And Plates
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Marks And Plates : Center Of Gravity Mark
| 11***10 | Table,Slinging Position | 1 |
| 21***50 | Plate? Mark,Location Of Center Of Gravity | 4 |
| 21***60 | Plate? Mark,Location Of Center Of Gravity | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Marks And Plates : Marks And Plates (English) (For Eu)(#5091-5499)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,(Limited Supply) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Marks And Plates : Rops Plates (English) (For Eu)(#5091-5499)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,Rops(Except U.S.A. And Canada) | 1 |
Miscellaneous
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Miscellaneous : Vandalism Protection
| 09***00 | Lock,(With Vandalism Protection) | 1 |
Operator'S Compartment And Control System
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Air Hose)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Capacitor)
| 11***31 | Capacitor | 1 |
| 20***50 | Resistor, Blower | 1 |
| 41***80 | Bolt,Washer | 5 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Compressor)
| 09***07 | Hose,Defroster | 1 |
| 11***12 | Air Conditioner Unit | 2 |
| 11***10 | Cover,Dust | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Condenser)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Cooling)
| 19***40 | Clamp | 1 |
| 20***00 | Packing | 1 |
| ND***61 | Screw,Tapping | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Duct)
| 01***16 | Bolt - Box Mounting | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***20 | Screw | 5 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Filter)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***20 | Bolt,(Without Air Con.) | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Unit)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***35 | Bolt | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Arm Rest
| 01***32 | Plain Washer | 4 |
| 07***30 | Bolt,(For Tree Pusher) | 4 |
| 11***12 | Arm Rest,L.H | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Brake Pedal 1/2)
| 01***30 | Bolt,(For France Noise Suppression) | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Brake Pedal 2/2)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***22 | Capscrew | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Cover Mount)
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 23 |
| 01***06 | Nut | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Cable) (Cab)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 8 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Pedal)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***30 | Bolt,(With Back-Up Alarm) (Op) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Piping)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame
| 01***18 | Bolt | 2 |
| 01***25 | Bolt,(Rear Attachment Less) | 4 |
| 01***30 | Bolt - M8 X 30lg | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Accumulator)(#5091-5499)
| 01***35 | Bolt,(For Fix Position) | 4 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Blade Control)
| 01***10 | Bolt | 3 |
| 01***16 | Washer,(With Water Separator) | 1 |
| 07***30 | Bolt,(For Tree Pusher) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Blade Lock Lever) (For Eu)(#5091-5499)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***30 | Bolt - M8 X 30lg | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***20 | Screw | 14 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Eu) (Cab)(#5091-5499)
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Horn Switch)
| 08***00 | Horn Switch,Ether Starting | 1 |
| 13***00 | Switch Ass'Y | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Hst P.P.C Piping)(#5091-5499)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 02***08 | Hose,Green | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (For Ripper) (Cab) (For Eu)(#5091-5499)
| 01***85 | Bolt,(Used With Pin Puller) | 11 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 11 |
| 09***12 | Cap,(With Auto Emergency Steering) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (P.P.C Drain)
| 01***35 | Bolt,(For Fix Position) | 2 |
| 01***40 | Screw, Hex Socket | 2 |
| 01***45 | Screw | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (P.P.C Valve)
| 01***25 | Bolt,(Rear Attachment Less) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
| 11***41 | Plate | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering Electrical)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 5 |
| 01***30 | Bolt - M8 X 30lg | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering Lock Lever)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 6 |
| 01***35 | Bolt,(For Fix Position) | 2 |
| 01***25 | Bolt | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering Lock Valve)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 1 |
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***03 | Nut, L. H. Thread | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering P.P.C Valve Lock)
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***30 | Bolt - M8 X 30lg | 3 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering P.P.C Valve)
| 01***20 | Bolt,See Fig. K4010-65a0 | 3 |
| 01***10 | Bolt | 3 |
| 01***16 | Screw | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Wiring)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 15 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Work P.P.C Piping) (For Eu)(#5091-5499)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
| 02***10 | Hose? 1000mm,Yellow | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Mat (With Cab)
| 11***33 | Floor Mat | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Foot Rest
| 01***20 | Bolt | 4 |
| 01***32 | Washer,(Without Gps Antenna Bracket) | 4 |
| 09***12 | Cap,(With Auto Emergency Steering) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Fuel Control (1/2)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***30 | Bolt,Stopper | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Fuel Control (2/2)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***45 | Bolt,(With Water Separator Type) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Fabric Seat) (With Head Rest)
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***20 | Bolt | 4 |
| 01***16 | Washer,(For 35a Alternator) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Panel (For Cab)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***20 | Bolt | 2 |
| 01***40 | Bolt | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Air Conditioner Control)
| 01***14 | Screw | 3 |
| 01***16 | Screw | 8 |
| 01***25 | Bolt | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Body) (For U.S.A.)(#5089-5499)
| 01***20 | Screw | 4 |
| 01***16 | Screw | 4 |
| 01***23 | Washer | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Door)(#5089-5499)
| 01***20 | Screw | 10 |
| 01***16 | Screw | 16 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 24 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Duct)
| 01***12 | Bolt - M8 - 1.25 X 12 | 6 |
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***16 | Screw | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Electrical) (For U.S.A.)(#5089-5499)
| 01***25 | Bolt,(Without Gps Antenna Bracket) | 6 |
| 01***12 | Screw | 2 |
| 01***14 | Screw | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Mount)
| 01***85 | Bolt,(Used With Pin Puller) | 11 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 11 |
| 11***12 | Rubber | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Nozzle)
| 01***12 | Screw | 4 |
| 08***07 | Conduit | 1 |
| 08***16 | Conduit | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Open Lock)
| 01***20 | Bolt,Sems | 12 |
| 01***25 | Bolt | 8 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio Less) (For U.S.A.)(#5001-5088)
| 01***25 | Screw | 8 |
| 01***14 | Screw | 2 |
| 01***16 | Screw | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio Less) (For U.S.A.)(#5089-5499)
| 01***14 | Screw | 2 |
| 01***25 | Screw, | 8 |
| 01***16 | Screw | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio) (For Eu)
| 01***14 | Screw | 2 |
| 01***10 | Screw | 4 |
| 01***24 | Screw | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Roof Lining)(#5089-5499)
| 01***12 | Screw | 2 |
| 01***25 | Screw | 4 |
| 01***14 | Bolt - Plate Mounting | 6 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Washer Tank)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***20 | Screw | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Seat Belt
| 02***44 | Bolt | 2 |
| 09***01 | Bolt,(For Shipping) | 4 |
| 09***02 | Washer,(For Shipping) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Operator'S Compartment And Control System : Side Floor (For Cab)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 6 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 6 |
| 11***83 | Cover,L.H | 1 |
Power Train And Final Drive
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Power Train And Final Drive : Final Drive (Carrier)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
| 07***34 | O-Ring,(For 2-Actuater Attachment) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Power Train And Final Drive : Final Drive (Hub)
| 01***50 | Capscrew | 18 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***15 | Bolt | 3 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Power Train And Final Drive : Final Drive (Mount)
| 01***60 | Capscrew | 48 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 48 |
| (1***1) | Final Drive Ass'Y | 1 |
Saa4d102e-2c-4 S/N 26277757-Up
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : After Cooler(#26277757-)
| 61***90 | Clamp, Hose | 7 |
| 67***10 | Hose | 1 |
| 67***20 | Tube | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Air Cleaner(#26277757-)
| 08***00 | Indicator, Dust | 1 |
| 12***10 | Band | 2 |
| 12***20 | Pin | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Air Connector(#26277757-)
| 07***08 | Plug,(Without Auto Priming System) | 1 |
| 67***11 | Gasket,Air Intake Heater | 1 |
| 67***10 | Bolt (M8-1.25x80) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Air Intake Cover(#26277757-)
| 67***10 | Plug, Pipe (1/2-14 Npt) | 2 |
| 67***60 | Bolt, Mounting (M8x1.25x25) | 6 |
| 67***30 | Cover, Intake Manifold | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Air Intake Heater(#26277757-)
| 67***11 | Gasket,Air Intake Heater | 1 |
| 67***20 | Heater, Engine | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Alternator (35a) (Shield Alternator) (Inner Parts)(#26277757-)
| 60***11 | Alternator A. (35a) | 1 |
| KD***70 | Bushing,Insulate | 1 |
| KD***50 | Regulator Ass'Y | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Alternator (35a) (Shield Alternator)(#26277757-)
| (6***1) | Alternator A. (35a),(See Fig.A601p-02a7z) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Alternator Support (For 35a Alternator)(#26277757-)
| 01***30 | Bolt,(For Trimming Dozer) | 1 |
| 01***40 | Screw | 1 |
| 01***10 | Nut,(Without Air Conditioner) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Belt Tensioner (For 35a Alternator)(#26288963-)
| 67***41 | Tensioner, Alternator Belt | 1 |
| 67***20 | Bolt (M10x1.50x70) | 1 |
| 67***20 | Capscrew, Flat Head (M8-1.25x25) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Boost Tube(#26277757-)
| 01***06 | Nut | 1 |
| 04***08 | Clip | 2 |
| 07***12 | Gasket,Injection Pump Piping | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Breather Hose(#26277757-)
| 07***20 | Clamp, Spring Hose | 1 |
| 07***48 | Hose | 1 |
| 67***40 | Clip | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Camfollower Cover(#26277757-)
| 01***16 | Bolt, Mounting Transmission Control Switch | 4 |
| 01***10 | Washer,(For 35a Alternator) | 4 |
| 67***50 | Washer, Plain (3/8 Inch) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Camshaft(#26277757-)
| 67***11 | Camshaft | 1 |
| 67***20 | Support, Camshaft Thrust | 1 |
| 67***31 | Gear, Camshaft | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Caution Plate(#26277757-)
| 67***10 | Data Plate | 1 |
| 67***11 | Data Plate | 1 |
| 67***12 | Data Plate | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Cooling Fan(#26277757-)
| 01***50 | Bolt,(See Fig.A4010-C3w6) | 4 |
| 60***80 | Fan,Cooling | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Corrosion Resistor (Without Cirrosion Resistor)(#26277757-)
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 07***14 | Screw, Banjo Connector (M10) | 1 |
| 07***59 | Clamp,See Fig. K4010-05a0 | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Corrosion Resistor(#26277757-) : Unit_02_of_02
| 07***14 | Screw, Banjo Connector (M10) | 2 |
| 07***50 | Hose, Right | 2 |
| 07***97 | Clamp,(With Pre-Fuel Filter) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Corrosion Resistor(#26277757-) : Unit_01_of_02
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 4 |
| 07***14 | Screw, Banjo Connector (M10) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Crankshaft(#26277757-)
| 67***20 | Crankshaft Ass'Y | 1 |
| 67***50 | Gear, Crankshaft | 1 |
| 67***11 | Gear, Crankshaft | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Cylinder Block Blind Cover And Piping(#26277757-)
| 07***12 | Gasket,Injection Pump Piping | 2 |
| 67***60 | Bolt, Mounting (M8-1.25x25) | 1 |
| 67***20 | Bolt, Flange (M8-1.25x20) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Cylinder Block Gasket Kit(#26288963-)
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 7 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Cylinder Block(#26277757-)
| 62***10 | Screw | 2 |
| 62***10 | Seal, O-Ring (M10-1.00) | 4 |
| 67***30 | Block Assembly, Cylinder | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Cylinder Head Gasket Kit(#26288963-)
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
| 07***12 | Gasket,Injection Pump Piping | 6 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 9 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Cylinder Head(#26277757-)
| 67***10 | Retainer, Exhaust Valve Spring | 8 |
| 67***11 | Retainer, Valve Spring | 8 |
| 67***10 | Head Ass'Y | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Damper
| 67***20 | Bolt (M12x1.25x36) | 4 |
| 67***20 | Damper, Rubber Vibration | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Dust Seal(#26277757-)
| 67***10 | Shield, Dust | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Exhaust Manifold Gasket And Bolt(#26277757-)
| 67***50 | Bolt | 8 |
| 67***20 | Gasket, Exhaust Manifold | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Exhaust Manifold(#26277757-)
| 62***20 | Screw | 1 |
| 67***10 | Manifold | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fan Drive Pulley(#26288963-)
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
| 01***40 | Screw | 2 |
| 06***05 | Bearing,Ball | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fan Pilot Spacer(#26277757-)
| 01***55 | Bolt, Mount Dryer To Bracket And Frame | 4 |
| 67***10 | Spacer | 1 |
| 67***10 | Spacer | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fan Pulley(#26277757-)
| 67***50 | Pulley, Accessory Drive | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Flywheel Housing(#26277757-)
| 61***90 | Spacer | 1 |
| 63***30 | Plate | 1 |
| 67***40 | Cover, Rear | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Flywheel(#26277757-)
| 67***20 | Washer, Plain (M12) | 8 |
| 67***30 | Bolt (M12x1.25x32) | 8 |
| 67***80 | Gear, Flywheel Ring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Front Cover
| 67***40 | Pin, Timing | 1 |
| 67***50 | Ring, Retaining | 1 |
| 67***60 | Screw, Round Head (M5-0.80x17) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Front Gear Train Drive Shaft(#26277757-)
| 01***55 | Bolt,(With Joy Stick Steering) | 2 |
| 67***80 | Gasket, Accessory Drive Cover | 2 |
| 67***30 | Bearing,Roller | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Filter Piping(#26277757-)
| 07***12 | Gasket,Injection Pump Piping | 2 |
| 61***10 | Clamp,With Thread | 1 |
| 61***20 | Clamp | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Filter(#26277757-)
| 01***25 | Bolt - Relay Mounting | 2 |
| 67***11 | Filter, Fuel - Secondary | 1 |
| 67***12 | Cartridge,Fuel | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Injection Pump (Feed Pump) (Inner Parts)(#26288963-)
| DK***20 | Bolt, Joint | 1 |
| DK***60 | Feed Pump Ass'Y | 1 |
| DK***00 | Valve,Check | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#26288963-)
| DK***00 | Spring | 1 |
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Connector | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#26288963-)
| DK***20 | Lever | 1 |
| DK***00 | Gasket | 1 |
| DK***40 | Gasket,Air Compressor | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#26288963-)
| 67***30 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing | 0 |
| DK***20 | Housing | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#26288963-)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Injection Pump Mounting(#26277757-)
| 01***14 | Bolt - Fuel Sensor Mounting | 2 |
| 01***11 | Nut (M14-1.50 Thd), Nut; Was 01582-01411 | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 3 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Injection Pump(#26288963-)
| (6***0) | Injection Pump Ass'Y,(See Fig.A401p-02g8) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Inlet And Outlet Joint Cap(#26277757-)
| 67***40 | Cap,(For Shipping) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Joint(#26277757-)
| 61***50 | Connector, Banjo | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Lift Pump Mounting(#26277757-)
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 2 |
| 61***10 | Bolt,Joint (High Altitude Spec.) | 1 |
| 67***10 | Joint | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Lift Pump(#26277757-)
| 67***10 | Pump,Suction | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Fuel Piping(#26277757-)
| 04***08 | Clip | 1 |
| 61***80 | Spacer | 2 |
| 67***20 | Bolt, Mounting (M8-1.25x16) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Head Cover(#26277757-)
| 61***10 | Cap, Oil Filler | 1 |
| 67***30 | Bolt (M8x1.25x25) | 3 |
| 67***40 | Bolt (M8-1.25x25) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Heat Shield(#26277757-) : Unit_02_of_02
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
| 62***60 | Distance Piece | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Heat Shield(#26277757-) : Unit_01_of_02
| 01***20 | Bolt,(Forwarded Individually Parts) | 4 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***35 | Bolt, Mount Bracket To Floor | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Heater Switch
| 60***70 | Switch,Air Intake Heater | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Heater Valve And Adapter(#26277757-)
| 09***00 | Valve | 1 |
| 67***30 | Adapter | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Injection Nozzle(#26277757-)
| 67***50 | Seal, Rectangular Ring | 1 |
| 67***60 | Gasket,Injector - Spill | 2 |
| 67***10 | Shim 1.00 mm Thick | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Lifting Bracket(#26277757-)
| 01***30 | Bolt, Mounting - Front Hand Rails | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 67***70 | Bracket | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Muffler(#26277757-26291398)
| 01***12 | Bolt,(With Speedometer) | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Muffler(#26291399-)
| 01***12 | Bolt,(With Speedometer) | 1 |
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***35 | Bolt,R.H. (For Add. Air Compressor) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Oil Cooler And Oil Filter(#26277757-)
| 67***51 | Valve, Pressure Relief | 1 |
| 67***30 | Plug, Pipe (1/8 Nptf) | 1 |
| 67***20 | O-Ring,Oil Pressure Plug | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Oil Level Gauge(#26277757-)
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***06 | Nut | 1 |
| 04***08 | Clip | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Oil Pan And Suction Tube(#26277757-)
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 2 |
| 09***50 | Liquid Gasket, Lg-7, 150g | 0 |
| 62***80 | Plug,Drain | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Oil Pan Bolt(#26277757-)
| 67***10 | Bolt, Mounting (M8-1.25 X 25) | 28 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Oil Pressure Switch(#26277757-)
| 08***05 | Switch,Engine Oil Pressure | 1 |
| 62***10 | Seal, O-Ring (M10-1.00) | 1 |
| 67***70 | Adaptor | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Oil Pump(#26277757-)
| 67***12 | Pump, Lubricating Oil | 1 |
| 67***20 | Bolt (M8x1.25x30) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Piston
| 67***10 | Pin, Piston | 4 |
| 67***20 | Ring, Retaining | 8 |
| 67***01 | Engine Connecting Rod Assembly | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Repair Parts (1/4) (Cylinder Head)(#26277757-)
| 67***51 | Gasket, Cylinder Head | 1 |
| 67***51 | Gasket, Cylinder Head | 1 |
| 67***10 | Guide, Valve Stem - Intake/Exhaust (Thin Wall) | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Repair Parts (2/4) (Cylinder Block)(#26277757-)
| 67***10 | Bushing, Oversize (No. 1 Bore) | 1 |
| 67***20 | Bushing, Oversize (No. 2-5 Bore) | 1 |
| 67***10 | Sleeve, Salvage - Std Bore | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Repair Parts (3/4) (Crankshaft)(#26277757-)
| 67***00 | Main Metal Ass'Y | 4 |
| 67***00 | Main Metal Ass'Y | 4 |
| 67***00 | Main Metal Ass'Y | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Repair Parts (4/4) (Piston)(#26277757-)
| 67***00 | Bearing, Connecting Rod (1.00mm Oversize) | 8 |
| 67***00 | Bearing, Connecting Rod (0.75mm Oversize) | 8 |
| 67***00 | Bearing, Connecting Rod (0.50mm Oversize) | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Rocker Arm(#26277757-)
| 67***70 | Screw, Slotted Set (3/8-24x1 1/2 Inch) | 2 |
| 67***40 | Bolt | 4 |
| 67***11 | Rod, Push | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Spare Parts(#26277757-)
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 2 |
| 67***11 | Gasket,Air Intake Heater | 1 |
| 67***81 | Gasket, Valve Cover | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Spare Parts(#26288963-)
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 2 |
| 67***11 | Gasket,Air Intake Heater | 1 |
| 67***81 | Gasket, Valve Cover | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Starting Motor (4.5kw) (Inner Parts)(#26277757-26291398)
| 60***10 | Starting Motor Ass'Y,(4.5kw) | 1 |
| ND***82 | Yoke Assembly | 1 |
| ND***00 | Washer, Felt | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Starting Motor (4.5kw)(#26277757-26291398)
| (6***0) | Starting Motor Ass'Y,(4.5kw) (See Fig.A621p-02a2) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Starting Motor (5.5kw)
| (6***0) | Starting Motor Ass'Y,(5.5kw) (See Fig.A621p-02a1) | 1 |
| (6***1) | Starting Motor Ass'Y,(5.5kw) (See Fig.A621p-02a1) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Starting Motor (5.5kw) (Inner Parts)
| 60***10 | Starting Motor Ass'Y,(See Fig.A621p-02a1) | 1 |
| 60***11 | Starting Motor Ass'Y,(5.5kw) | 1 |
| ND***80 | Holder Ass'Y,Brush | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Starting Motor Mounting (4.5kw)(#26277757-26291398)
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
| 67***11 | Gasket,Starter | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Starting Motor Mounting (5.5kw)
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
| 01***08 | Nut,See Fig. K4010-04a0 | 1 |
| 67***11 | Gasket,Starter | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Stop Solenoid(#26277757-)
| 01***03 | Nut, L. H. Thread | 1 |
| 01***05 | Nut (Welded) | 2 |
| 01***06 | Nut | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Tachometer Drive Cover(#26277757-)
| 67***90 | Cover, Mechanical Tach Drive | 1 |
| 67***20 | Seal, Rectangular Ring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Tappet(#26277757-)
| 67***12 | Tappet, Valve | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Thermostat Housing(#26277757-)
| 67***40 | Bolt, (M8x1.25x35) | 1 |
| 67***70 | Coupling, Plain Hose | 1 |
| 67***80 | Bolt (M8-1.25x70) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Thermostat(#26274903-26295863)
| 67***71 | Thermostat | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Thermostat(#26295864-)
| 67***71 | Thermostat | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Turbocharger Mounting(#26277757-)
| 01***25 | Stud | 4 |
| 62***50 | Nut | 4 |
| 67***50 | Gasket,Turbocharger Oil Drain | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Turbocharger Oil Piping(#26277757-)
| 67***70 | Washer,Turbocharger Oil Supply | 1 |
| 67***30 | O-Ring,Turbocharger Drain | 2 |
| 67***50 | Gasket,Turbocharger Oil Drain | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Under Plate(#26277757-)
| 67***50 | Plate, Cylinder Block Stiffener | 1 |
| (0***0) | Liquid Gasket, Lg-7, 150g | 0 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Water Connector Plug(#26277757-)
| 67***10 | Plug, Pipe (1/2-14 Npt) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Water Connector(#26277757-)
| 67***20 | Bolt (M10-1.50x75) | 3 |
| 67***30 | Seal,Water Inlet Connection | 1 |
| 67***61 | Connector | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Water Pump(#26277757-)
| 67***01 | Water Pump Ass'Y | 1 |
| 67***02 | Water Pump Ass'Y | 1 |
| 67***01 | Kit, Water Pump | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Saa4d102e-2c-4 S/N 26277757-Up : Water Temperature Sensor(#26277757-)
| 11***81 | Thermo Sensor,Water Temperature | 1 |
| 56***12 | Adapter,Water Temperature Gauge | 1 |
Service Kit And Component Parts
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Angle Cylinder
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 2 |
| 04***20 | Ring, Snap | 4 |
| 07***70 | O-Ring (Kit) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Automatic Shift Change Valve
| 01***20 | Screw | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 07***09 | O-Ring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (1/6)
| 01***45 | Screw | 4 |
| 01***23 | Washer,(For Shipping) | 8 |
| 07***07 | O-Ring - (K10) | 3 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (2/6)
| 01***40 | Screw | 8 |
| 01***50 | Screw | 2 |
| 07***23 | O-Ring; Was 07002-10823, O-Ring,(Not Shown) | 3 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (3/6)
| 07***14 | O-Ring,(F4350-61a0a-20 ) | 1 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 2 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (4/6)
| 07***07 | O-Ring - (K10) | 1 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
| 07***07 | Ring,Back-Up | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (5/6)
| 70***10 | O-Ring (Kit) | 1 |
| 70***20 | Ring, Back-Up | 1 |
| 70***90 | O-Ring,Suction | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (6/6)
| 02***08 | O-Ring (Kit) | 1 |
| 04***15 | Bolt,Eye | 2 |
| 07***24 | O-Ring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (1/13)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 07***80 | O-Ring | 1 |
| 07***28 | O-Ring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (10/13)
| 07***23 | O-Ring,(F3320-65a0 -34 ) | 1 |
| 07***34 | O-Ring,(F2370-57a0 -42 ) | 1 |
| 70***40 | Nut | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (11/13)
| 01***11 | Nut - Mounting | 1 |
| 07***11 | O-Ring | 1 |
| 07***23 | O-Ring,(F3320-65a0 -34 ) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (12/13)
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 07***06 | O-Ring | 1 |
| 07***24 | O-Ring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (13/13)
| 01***20 | Bolt | 1 |
| 01***40 | Bolt | 1 |
| 07***15 | O-Ring | 3 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (2/13)
| 01***08 | Nut (Op) | 2 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 2 |
| 04***25 | Ring,Snap | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (3/13)
| 07***09 | O-Ring | 2 |
| (****3) | Plate,Valve | 1 |
| (****0) | Piston Ass'Y | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (4/13)
| 01***30 | Bolt | 8 |
| (****5) | O-Ring | 2 |
| (****0) | Nut | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (5/13)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 07***80 | O-Ring | 1 |
| 07***28 | O-Ring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (6/13)
| 07***09 | O-Ring | 2 |
| (****0) | Piston Ass'Y | 1 |
| (7***0) | Pump Ass'Y | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (7/13)
| 01***30 | Bolt | 8 |
| 02***10 | Elbow | 2 |
| 02***08 | O-Ring | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (8/13)
| 01***85 | Bolt, Divider Valve Mounting | 4 |
| 01***40 | Bolt | 1 |
| 07***45 | O-Ring | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (9/13)
| 07***23 | O-Ring,(F3320-66a2 -26 ) | 1 |
| 07***34 | O-Ring,(F2370-57a0 -42 ) | 5 |
| 70***50 | Plug | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Hydraulic Pump
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 4 |
| 04***24 | Pin,Dowel (For No.3 Housing) | 4 |
| 04***18 | Ring, Retaining | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Inching Valve
| 01***10 | Bolt | 1 |
| 04***14 | Pin, Dowel | 1 |
| 04***12 | Pin, Spring | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Lift Cylinder
| 02***12 | O-Ring,(F2370-57a0 -49 ) | 2 |
| 07***80 | O-Ring (Kit) | 1 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (1/4)
| 70***91 | Pilot Valve | 1 |
| 70***92 | Pilot Valve | 1 |
| 70***40 | Shim - 0.012 In. (0.30 mm) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (2/4)
| 07***20 | O-Ring,(0202-007) | 1 |
| 70***40 | Shim - 0.012 In. (0.30 mm) | 2 |
| 70***70 | Gasket | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (3/4)
| 07***20 | O-Ring,(0202-007) | 2 |
| 70***40 | Shim - 0.012 In. (0.30 mm) | 2 |
| 70***70 | Gasket | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (4/4)
| 01***10 | Bolt | 2 |
| 07***70 | O-Ring (Kit) | 1 |
| 70***80 | O-Ring | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (For Steering)(#5001-5090)
| 01***12 | Bolt | 4 |
| 01***40 | Screw | 2 |
| 70***82 | Pilot Valve | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (For Steering)(#5091-5499)
| 01***12 | Bolt | 4 |
| 01***80 | Bolt | 2 |
| 07***10 | O-Ring | 5 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Rubber Antenna
| 36***61 | Rubber Antenna | 1 |
| EP***03 | Spring Washer | 2 |
| EP***01 | Wing Bolt | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Shoe Bolt And Nut Service Kit
| 11***11 | Bolt? Shoe (Y0320-K1) | 50 |
| 11***12 | Bolt? Shoe (Y0320-K3) | 50 |
| 11***00 | Shoe Bolt And Nut K | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Tilt Cylinder
| 02***08 | O-Ring (Kit) | 2 |
| 04***25 | Ring, Snap | 4 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Track Link (Lubricate Type) (For Single Grouser) (Supply Parts)
| 07***22 | Plug,Large | 82 |
| 07***21 | Plug,(Small) | 82 |
| 11***21 | Link,Track? L.H | 80 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (1/3) (L.H.)
| (****0) | O-Ring | 1 |
| (****0) | Piston | 1 |
| (****0) | Screw | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (1/3) (R.H.)
| (****0) | O-Ring | 1 |
| (****0) | Piston | 1 |
| (****0) | Screw | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (2/3) (L.H.)
| (****3) | Valve Ass'Y,Relief | 1 |
| (****0) | Motor Ass'Y | 1 |
| (****0) | O-Ring | 12 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (2/3) (R.H.)
| (****3) | Valve Ass'Y,Relief | 1 |
| (****0) | O-Ring | 12 |
| (****0) | Valve Sub Ass'Y | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (3/3) (L.H.)
| (****1) | Spring | 6 |
| (****0) | O-Ring | 1 |
| (****0) | Piston Sub Ass'Y | 7 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (3/3) (R.H.)
| (****1) | Spring | 6 |
| (****0) | O-Ring | 1 |
| (****0) | Piston Sub Ass'Y | 7 |
Under Carriage
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Under Carriage : Carrier Roller
| 01***70 | Bolt,Rear Carrier (With Gumpad) | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Under Carriage : Front Idler
| 01***40 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***10 | Nut,(Fig.F2820-01a3-12) | 2 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Under Carriage : Idler Cushion
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***75 | Capscrew | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Under Carriage : Roller Guard
| 01***35 | Bolt,(With Rops) | 6 |
| 01***45 | Bolt,(For 60ton Dump Body) | 12 |
| 01***50 | Bolt,(For D60pl) | 4 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Under Carriage : Track Frame Cover
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 16 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 18 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Under Carriage : Track Roller
| 01***50 | Bolt,(For D60pl) | 48 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 48 |
| 07***42 | O-Ring, Between Tube And Divider Valve | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (600mm Wide)
| 07***22 | Plug,Large | 82 |
| 07***21 | Plug,(Small) | 82 |
| 11***11 | Bolt? Shoe (Y0320-K1) | 320 |
Work Equipment
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Angle Cylinder (For Pat)
| (7***1) | Cylinder Ass'Y | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Blade (For Power Angle Power Tilt Dozer)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 24 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Blade Lift Cylinder (For Pat)
| (7***1) | Cylinder Group,R.H | 1 |
| (7***1) | Cylinder Group,L.H | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Dozer Frame (For Pat)
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***05 | Bolt | 2 |
| 01***55 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Dozer Oil Line (Angle Cylinder Line) (For Pat)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***55 | Bolt,(See Service News) | 1 |
| 01***95 | Capscrew | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Dozer Oil Line (Cover) (For Pat)(#5001-5114)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Dozer Oil Line Cover (For Pat)(#5115-5499)
| 01***20 | Bolt,(For Mono Lever Steering) | 13 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Drawbar
| 01***55 | Bolt,(Without Rops) | 4 |
| 01***60 | Flat Washer - M20 (Hardened) | 4 |
| 04***12 | Pin,Cotter (For Ripper) | 1 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Link (Cylinder Pin) (For Pat)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 18 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***95 | Screw | 2 |
Komatsu : D37px-21(S/N 5001-5499-Up (Overseas Version)) : Work Equipment : Tilt Cylinder (For Pat)
| (7***1) | Cylinder Ass'Y | 1 |
D37PX-21(S/N 5001-5499-UP (Overseas Version)) serial number reference
The serial number plate is located on the front frame casting, typically on the operator's left side. To read the machine identity, locate the model and serial range on this plate and cross-reference it with the 17-character ISO PIN found on the emissions/export plate.
| Prefix | Identifies | Notes |
|---|---|---|
| Not explicitly documented | D37PX-21 (S/N 5001-5499-UP (Overseas Version)) | Specific 3-character PIN prefix for the Overseas Version is not identified in available documentation; confirm with dealer. |
Frequently asked questions
What engine powers this model?
The D3::37PX-21 is equipped with a Komatsu SAA4D102E-2 engine, featuring 4 cylinders and turbocharged/air-to-air aftercooled aspiration.
What is the operating weight of the machine?
The operating weight for this configuration is approximately 13,910 lbs (6,309.5 kg).
What replaced the D37PX-21?
Newer generations like the -24 series feature updated blade modes and emissions technology.
What D37PX-21(S/N 5001-5499-UP (Overseas Version)) owners discuss
What are the common causes for loss of movement in forward or reverse on a D37PX-21?
Loss of travel is frequently linked to transmission pump failures or malfunctions within the hydraulic control valves. Inspect these components first if the machine fails to move in either direction.
What specific engine is used in the D37PX-21 (S/N 5001-5499-UP Overseas Version)?
This machine configuration utilizes the Komatsu SAA4D102E-2 engine.
What is a known issue regarding track behavior when releasing the brakes?
Operators have reported 'track creep,' where the right track begins moving backward immediately upon brake release, regardless of the current shifter position.
Are there any known issues with steering or control components?
Commonly reported problems include joystick steering control valve malfunctions and instances where the PCCS lever fails to return to the center position, which can cause unintended machine drift.
What should be checked regarding the hydraulic system's internal pressure?
When performing maintenance or troubleshooting, ensure you know the procedure for releasing internal pressure in the operating circuit, especially if the machine is equipped with an accumulator. If relief valve pressure is investigated, the standard specification is 2,990 psi (206.2 bar).
What should a buyer check when purchasing a used D37PX-21 to verify hour meter integrity?
Check the Komtrax telematics history against the dashboard hour meter. Any discrepancy exceeding approximately 50 hours between the Komtrax records and the dash reading is a significant signal of potential hour-meter rollback. Have your dealer verify the Komtrax health report.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu D37PX-21(S/N 5001-5499-UP (Overseas Version)). Related factory variants of the same model family:
D37PX-21(S/N 5001-5499-UP (For North America))
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