Komatsubulldozersmall ( - d39)
Komatsu D39EX-21A(S/N 1501-UP (Overseas Version))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D3HDEX-21A (S/N 1501-UP Overseas Version) is a compact crawler dozer in the utility class. It is powered by the Komatsu SAA4D102E-2 turbocharged and aftercooled diesel engine, delivering 95 hp (71 kW). The machine features a dual-path hydrostatic transmission with three forward and three reverse gears. This configuration provides smooth control via the Palm Command Control System (PCCS) joystick, eliminating traditional steering clutches and brakes.
This series represents an evolution in compact earthmoving, focusing on precision through hydrostatic steering and variable speed selection. The D39EX-2/A remains a significant machine in the used market due to its robust build and advanced hydraulic performance. Its specific serial range (1501-UP) is highly sought after for parts compatibility with the broader D39EX-21 family, making it a reliable choice for fleet managers looking for efficient, low-weight (8520 kg / 18780 lb) earthmoving solutions.
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 D39EX-21A(S/N 1501-UP (Overseas Version)) specifications
Engine
| Engine Model | SAA4D102E-2 |
| Net Power | 95 hp (71 kW) |
| Displacement | 240 cu in (3.9 L) |
| Aspiration | Turbocharged and air-to-air aftercooled |
Weights
| Operating Weight | 18,780 lb (8,520 kg) |
Dimensions
| Length with Blade | 13.78 ft (4,200 mm) |
| Width Over Tracks | 6.92 ft (2,110 mm) |
| Height to Top of Cab | 9.08 ft (2,770 mm) |
| Length of Track on Ground | 7.75 ft (2,360 mm) |
| Track Gauge | 5.42 ft (1,650 mm) |
| Standard Shoe Size | 18 in (460 mm) |
Undercarriage
| Ground Pressure | 5.55 psi (38.21 kPa) |
| Ground Contact Area | 3,365 in² (2.17 m²) |
| Number of Shoes Per Side | 39 |
| Number of Track Rollers Per Side | 6 |
| Track Pitch | 65 in (1,650 mm) |
Performance
| Max Speed - Forward | 5.3 mph (8.5 km/h) |
| Max Speed - Reverse | 5.3 mph (8.5 km/h) |
Transmission
| Transmission Type | Dual path, hydrostatic transmission |
| Number of Forward Gears | 3 |
| Number of Reverse Gears | 3 |
Blades
| Standard Blade Width | 9 ft (2,740 mm) |
| Standard Blade Height | 35 in (890 mm) |
| Blade Angle (Both Directions) | 25 degrees |
| Cutting Depth | 17.3 in (440 mm) |
Service Capacities
| Fuel Capacity | 43.6 gal (165 L) |
| Cooling System Fluid Capacity | 8.5 gal (32 L) |
| Engine Oil Capacity | 3.3 gal (12.5 L) |
| Hydraulic Fluid Capacity | 12.4 gal (47 L) |
| Final Drives Fluid Capacity | 0.9 gal (3.5 L) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D39EX-21A(S/N 1501-UP (Overseas Version)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (w/ filter) | 3.3 gal (12.5 L) | Verify with dealer; engine model SAA4D102E-2 or S4D102E-1 depending on serial range |
| Cooling system | 8.5 gal (32 L) to 32 L | Verify with dealer |
| Fuel tank | 43.6 gal (165 L) | Verify with dealer |
| Final drives (each) | 0.9 gal (3.5 L) | Verify with dealer |
| Hydraulic system/tank | 12.4 gal (47 L) to 11.6 gal (44 L) | Verify with dealer; ensure viscosity is appropriate for temperature range of -40 to +50 degrees Celsius |
| Grease specs | Not specified | Apply every 10 hours of operation if dirt or sand is found sticking due to work in soft ground; lubricate lift cylinder bottom pins (2 places) and lift cylinder head pins ( 2 places) |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D39EX-21A(S/N 1501-UP (Overseas Version)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the D39EX-21A(S/N 1501-UP (Overseas Version)) beyond the schedule
Predictive Maintenance & Fluid Analysis
Regularly monitor the hydrostatic transmission performance. Analyze hydraulic fluid for contaminants to prevent pressure irregularities in the dual-path closed circuits. Check engine oil and cooling system fluids (8.5 gal / 32 L capacity) frequently. Use telematics data where available to track fuel consumption and fault codes, allowing for proactive component replacement before catastrophic failure occurs in the SAA4D102E-2 engine.
Corrective & Common Repairs
Address hydraulic leaks at cylinder pins or hoses immediately to maintain system pressure. If uneven track movement occurs, inspect flow ports and control valves for blockages. Replace damaged O-rings on final drive plugs (0.9 gal / 3.5 L capacity) during service to prevent oil loss. For electrical issues affecting joystick response, verify connections within the PCCS system and check for sensor faults in the engine ECU.
Overhaul & Rebuild Points
Plan major overhauls around the hydrostatic transmission pumps and travel motors. When rebuilding the undercarriage, evaluate track shoe wear (18 in / 460 mm standard) and roller condition. The SAA4D102E-2 engine requires careful inspection of turbocharger components and aftercooler integrity during top-end rebuilds. Ensure all hydraulic equipment is properly bled of air following any pump or cylinder reassembly to prevent cavitation.
Seasonal & Environment Servicing
In dusty environments, prioritize frequent cleaning of the radiator and air intake to protect the turbocharged engine. During cold operations, ensure hydraulic fluid viscosity is appropriate for the hydrostatic system to maintain smooth steering. Inspect undercarriage track pitch and tension regularly if operating in abrasive or muddy terrain. Check all seals and hoses for seasonal cracking or hardening caused by extreme temperature fluctuations.
D39EX-21A(S/N 1501-UP (Overseas Version)) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 09637-90263 | Plate? Instruction,Air Cleaner Element Mainte | Air intake 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 → |
| 113-60-43321 | Cartridge,Hydraulic Oil Filter (D31s) | Hydraulic service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D39EX-21A(S/N 1501-UP (Overseas Version)) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA122 | Intake air pressure high voltage | Faulty intake pressure sensor or wiring issue | Verify the intake pressure sensor and associated wiring |
| CA123 | Intake air pressure low voltage | Sensor short circuit or airflow restriction | Check for a sensor short or an airflow restriction |
| CA144 | Coolant temperature sensor high error | Faulty coolant temperature sensor or circuit failure | Inspect and test the coolant temperature sensor |
| CA153 | Intake air temperature sensor high error | Faulty intake air temperature (IAT) sensor or wiring fault | Replace or test the IAT sensor |
| CA154 | Intake air temperature sensor low error | Faulty intake air temperature (IAT) sensor or wiring fault | Replace or test the IAT sensor |
| B@BCNS | Engine coolant overheating | Low coolant level, radiator blockage, or fan belt failure | Check radiator fins, fan belt, and coolant level |
| AA10NX | Air cleaner clogging | Accumulated dust or debris in the air filter element | Replace the air filter |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D39EX-21A(S/N 1501-UP (Overseas Version)) attachments & work tools
Blades
Available blade types include PAT (Power Angle Tilt) and C-frame configurations. The D39EX-24 variant features a 2.71 m (8.89 ft) front blade width.
Ripper
Multi-shank parallelogram style rippers are available, featuring two cylinders and three shanks with tips. A complete assembly weighs approximately 720 kg (1587.33 lb) and has a length of 1.7 m (5.58 ft).
Winches
Not documented for this exact serial range — verify with your dealer.
Drawbars/counterweights
Drawbar components for ripper attachments are available. Specific counterweight weights for the D39EX-21A are not specified in the provided documentation.
Cab/ROPS guarding options
Available guarding and screen/sweep options include window guards and stick rakes or tree pushers. Specific forestry-grade cab configurations for this serial range are not documented.
Hydraulic arrangement notes
The machine utilizes a dual-path Komatsu HST (Hydrostatic Transmission) with two variable displacement piston pumps and two travel motors. Hydraulic systems should be bled of air after reassembling cylinders or pumps to prevent issues.
All D39EX-21A(S/N 1501-UP (Overseas Version)) assemblies by section
Every catalogued assembly group for the Komatsu D39EX-21A(S/N 1501-UP (Overseas Version)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Accessory
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Accessory : Cap And Overall
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Accessory : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***17 | Nozzle | 1 |
Cooling System
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Cooling System : Cooling (Mount)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 7 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 4 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Back-Up Buzzer
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 11***50 | Buzzer | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Battery (Large Capacity Type)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Electrical System (Engine Wiring)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***30 | Bolt - M8 X 30lg | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Electrical System (Engine Wiring) (For Corrosion Resistor)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Electrical System (Engine Wiring)(#1824-)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Electrical System (Horn And Floor Wiring Clip)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Electrical System (Vehicle Wiring)(#1501-2009)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 10 |
| 01***20 | Bolt,(For Mono Lever Steering) | 23 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Electrical System (Vehicle Wiring)(#2010-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 10 |
| 01***20 | Bolt,(For Mono Lever Steering) | 24 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Komtrax Harness (Controller) (For Except Japan)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 7 |
| 04***08 | Clip | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Komtrax Harness (Wiring Harness) (For Except Japan)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 04***10 | Clip,(With Accumulator) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Electrical System : Vehicel Lamp
| 11***72 | Lamp | 3 |
| 42***30 | Bulb? 70w,24v 70w | 2 |
Engine Related Parts
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : After Cooler (Air To Air)
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 1 |
| 01***65 | Bolt,(Used With Pin Puller) | 3 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Air Cleaner
| 01***16 | Bolt - Box Mounting | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Air Cleaner (With Pre-Cleaner)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Corrosion Resistor
| 01***35 | Bolt,(F4320-52a0 -5 ) | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 4 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Engine Related Parts (Except Japan)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***65 | Bolt - Return Line And Suction Linehose Clamps | 3 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Fuel Lift Pump
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 08***19 | Band - Tie Hose To Wire Harness | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Heater (Piping)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
| 04***11 | Clamp, Vinyl | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Heater (Plug)
| 10***20 | Hose | 1 |
| 11***40 | Plug | 1 |
| 11***60 | Clip | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Heater Switch
| 60***70 | Switch,Air Intake Heater | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Engine Related Parts : Pre-Cleaner
| 60***30 | Body | 1 |
| 60***30 | Pre-Cleaner Ass'Y | 1 |
| 61***90 | Trap,Dust | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Fuel Tank And Related Parts : Fuel Line (With Fuel Pump)
| 01***30 | Screw | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Fuel Tank And Related Parts : Water Separator (With Fuel Pump)
| 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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Engine Hood
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***45 | Bolt, Mounting Cranking Motor | 4 |
| 01***20 | Bolt,Sems | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Engine Hood (With Precleaner)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***45 | Bolt, Mounting Cranking Motor | 4 |
| 01***20 | Bolt,Sems | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Engine Side Cover (Lower)
| 01***12 | Bolt - Front Cover Mounting | 6 |
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Engine Side Cover (Upper)
| 01***45 | Bolt,(With Water Separator Type) | 16 |
| 01***12 | Washer,(With Body Positioner) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 16 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Floor Cover
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***16 | Bolt | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Floor Cover (For Air Condtioner) (For Air Suspension Seat)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 11***70 | Plate | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Radiator Guard (Grid Mask) (For Rops Sweep)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***35 | Bolt,(With Rops) | 10 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Radiator Mask (For Rops Sweep)
| 01***55 | Bolt,(Not Used For Chip Dozer) | 4 |
| 01***25 | Bolt,(Without Gps Antenna Bracket) | 4 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Rear Cover
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 6 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 12 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Rear Cover (For Air Condtioner)
| 01***16 | Bolt - Box Mounting | 4 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Rear Guard (Battery Cover)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Guard : Rear Guard (Front Bracket)
| 01***70 | Bolt,(With Wear Guard) | 8 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 8 |
| 04***24 | Pin,Spring | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Dozer Oil Line
| 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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Drain Line
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 02***14 | Elbow | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump (Harness Bracket)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump Line (Suction)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 1 |
| 01***09 | Nut,(For Japan) | 6 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Hydraulic Tank
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***45 | Bolt,(With Water Separator Type) | 4 |
| 01***16 | Screw | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Hydraulic Tank (For Ripper)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***45 | Bolt,(With Water Separator Type) | 4 |
| 01***16 | Screw | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Lift Cylinder Line (Hose)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***70 | Bolt - Bracket And Oil Inlet Tubemounting | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Main Valve (Mount And Elbow) (For Rear Attachment)
| 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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Oil Cooler Line
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***60 | Bolt,(F4320-52a0 -5- ) | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Ppc Line (Elbow)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 02***10 | Elbow | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Ppc Line (Hose)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 12 |
| 01***32 | Washer,(With Auto Emergency Steering) | 14 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Ppc Line (Solenoid Valve)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***90 | Capscrew | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Ppc Line (Valve)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 02***08 | O-Ring (Kit) | 6 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Ripper Cylinder Line
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***45 | Bolt,(With Water Separator Type) | 2 |
| 01***55 | Bolt,(See Service News) | 3 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Tilt Cylinder Line
| 02***08 | O-Ring (Kit) | 2 |
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 2 |
| 11***10 | Tube,R.H | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Hydraulic System : Travel Line
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***75 | Bolt (M10-1.50x75) | 4 |
| 01***85 | Bolt, Divider Valve Mounting | 4 |
Main Frame And Related Parts
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Main Frame And Related Parts : Frame
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
| 04***12 | Lock,(With Rain Cap) | 2 |
Marks And Plates
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Center Of Gravity Mark
| 09***11 | Mark Plate,Hanging Point Mark | 2 |
| 09***01 | Mark,Location Of Center Of Gravity | 4 |
| 09***02 | Mark,Lift Point Mark | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Mark (Galeo) (Canopy)
| 09***30 | Plate? Mark,Mark? Galeo | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Marks And Plates (Chinese)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***63 | Plate? Instruction,Air Cleaner Element Mainte | 1 |
| 09***81 | Plate? Safety,Warning Before Ope.And Mainte | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Marks And Plates (English)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***63 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
| 09***81 | Plate? Safety,Warning Before Ope.And Mainte | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Marks And Plates (English) (For U.S.A)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***63 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
| 09***01 | Plate? Safety,Warning Before Ope.And Mainte | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Rops Plates (Chinese)
| 04***08 | Rivet | 4 |
| (****0) | Plate,(Limited Supply) | 1 |
| (****0) | Plate,(Limited Supply) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Rops Plates (English) : Unit_02_of_02
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| (****0) | Plate,(Limited Supply) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Marks And Plates : Rops Plates (English) : Unit_01_of_02
| 04***08 | Rivet | 4 |
| (****0) | Plate,(Limited Supply) | 1 |
Miscellaneous
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Miscellaneous : Vandalism Protection
| 09***00 | Lock,(With Vandalism Protection) | 1 |
Operator'S Compartment And Control System
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (1/4)
| 11***00 | Heater Ass'Y | 1 |
| TW***20 | Heater Core | 1 |
| TW***80 | Case | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (2/4)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 08***10 | Bracket, Bucket Position Sensor | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (3/4)
| 11***00 | Heater Ass'Y | 1 |
| TW***70 | Filter | 1 |
| TW***03 | Seal | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (4/4)
| 11***00 | Heater Ass'Y | 1 |
| TW***10 | Duct | 1 |
| TW***01 | Seal | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Unit)(#1501-1645)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***35 | Bolt | 6 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Unit)(#1646-)
| 01***12 | Bolt - Front Cover Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Arm Rest(#1501-1789)
| 01***32 | Plain Washer | 4 |
| 07***30 | Bolt,(For Tree Pusher) | 4 |
| 11***12 | Arm Rest,L.H | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Arm Rest(#1790-)
| 01***16 | Screw | 10 |
| 01***32 | Plain Washer | 4 |
| 07***30 | Bolt,(For Tree Pusher) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Brake Pedal 1/2)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***45 | Bolt, Mounting Cranking Motor | 1 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Brake Pedal 2/2)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Cover Mount)
| 01***25 | Bolt,L.H. (For Add. Air Compressor) | 12 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 12 |
| 11***61 | Cover | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Cable)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***10 | Washer,(For 35a Alternator) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Cable) (For 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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Pedal)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***30 | Bolt - M8 X 30lg | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Cup Holder (With Cab)
| 01***25 | Screw | 2 |
| 01***23 | Washer,(Without Air Con.) | 2 |
| 11***90 | Bracket | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Cup Holder (Without Cab)
| 01***20 | Screw | 2 |
| 01***30 | Screw | 2 |
| 01***23 | Washer,(Without Air Con.) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Fire Extinguisher (English) (With Cab)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 6 |
| 01***25 | Screw | 4 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 6 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Fire Extinguisher (English) (Without Cab)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Blade Lock Lever)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(Rear Attachment Less) | 7 |
| 01***30 | Bolt - M8 X 30lg | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover And Cap) (For Canopy)
| 01***16 | Bolt | 5 |
| 01***30 | Bolt | 2 |
| 01***20 | Bolt | 2 |
Komatsu : D39ex-21a(S/N 1501-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 | 16 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Cab)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***06 | Screw | 2 |
| 01***16 | Washer,(For 35a Alternator) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Canopy)
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***08 | Nut, Accumulator Mounting | 1 |
| 01***23 | Washer, Flat | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Rear Attachment) : Unit_02_of_02
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Screw | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Rear Attachment) : Unit_01_of_02
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***20 | Screw | 12 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Electrical Lever)
| 01***20 | Bolt,See Fig. K4010-65a0 | 3 |
| 01***10 | Bolt | 3 |
| 08***14 | Band | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Floor Frame And Fuel Control 1/2)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Fuel Control 2/2)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***18 | Bolt | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Horn Switch)
| 13***00 | Switch Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt,(With Gps Antenna Bracket) | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (For Cab And Rear Attachment)
| 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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (For Cab)
| 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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (For Canopy And Rear Attachment)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Bolt,(With Gps Antenna Bracket) | 12 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (P.P.C Drain)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 4 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Plug) (For Cab)
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Seat Wiring)
| 04***10 | Clip,(With Accumulator) | 5 |
| 04***10 | Clip | 1 |
| 11***21 | Wiring Harness | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering Electrical)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***55 | Bolt,(See Service News) | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Wiring)
| 01***85 | Bolt - M8 X 85lg | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 23 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Work P.P.C Piping)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
| 02***10 | Hose? 1000mm,Yellow | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Work P.P.C Piping) (For Rear Attachment)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
| 02***10 | Hose? 1000mm,Yellow | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Mat (With Cab)
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Mat (Without Cab)
| 11***12 | Floor Mat | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Heater
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***20 | Bolt,(Without Air Con.) | 6 |
| 01***20 | Screw | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Lunch Box Bracket (With Cab)
| 01***25 | Screw | 4 |
| 01***23 | Washer,(Without Air Con.) | 4 |
| 11***40 | Bracket | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Lunch Box Bracket (Without Cab)
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***20 | Screw | 2 |
| 01***30 | Screw | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Fabric Seat) (Air Suspension Type)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Fabric Seat)
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***20 | Bolt | 4 |
| 01***16 | Washer,(For 35a Alternator) | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Leather Seat)
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***20 | Bolt | 4 |
| 01***16 | Washer,(For 35a Alternator) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Leather 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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Panel (For Cab)
| 01***35 | Bolt | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***20 | Bolt | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Panel (For Canopy)
| 01***35 | Bolt | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Panel (Vandalism Protection)
| 01***35 | Bolt | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rear View Mirror
| 01***20 | Bolt,(Without Air Con.) | 4 |
| 01***23 | Washer,(Without Air Con.) | 4 |
| 11***91 | Bracket | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Body) (For Except Japan)
| 01***20 | Screw | 4 |
| 01***16 | Screw | 4 |
| 01***23 | Washer | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Door)
| 01***20 | Screw | 10 |
| 01***16 | Screw | 16 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 24 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Electrical) (For China)
| 01***25 | Bolt,(Without Gps Antenna Bracket) | 6 |
| 01***12 | Screw | 2 |
| 01***14 | Screw | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Electrical) (For U.S.A.)
| 01***25 | Bolt,(Without Gps Antenna Bracket) | 6 |
| 01***12 | Screw | 2 |
| 01***14 | Screw | 4 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio Less) (For U.S.A.)
| 01***14 | Screw | 2 |
| 01***24 | Screw | 8 |
| 01***16 | Screw | 8 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio) (For China)
| 01***14 | Screw | 2 |
| 01***10 | Screw | 4 |
| 01***24 | Screw | 8 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio) (For U.S.A.)
| 01***14 | Screw | 2 |
| 01***10 | Screw | 4 |
| 01***24 | Screw | 8 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Roof Lining)
| 01***12 | Screw | 2 |
| 01***25 | Screw | 4 |
| 01***14 | Bolt - Plate Mounting | 6 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Canopy (For Except Japan)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***10 | Screw | 4 |
| 01***12 | Screw | 6 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Sash Ass'Y
| 11***02 | Sash Ass'Y,L.H | 1 |
| 11***02 | Sash Ass'Y,R.H | 1 |
| BJ***28 | Seal | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Seat Belt (For Air Suspension Seat)
| 01***32 | Washer, (Without Emergency Steering) | 5 |
| 02***32 | Bolt | 2 |
| 09***00 | Safety Belt Assembly | 1 |
Komatsu : D39ex-21a(S/N 1501-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***84 | Cover,L.H | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Operator'S Compartment And Control System : Side Floor (For Canopy)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***30 | Bolt, Mounting - Front Hand Rails | 6 |
Power Train And Final Drive
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Power Train And Final Drive : Final Drive (Mount)
| 01***65 | Capscrew - M16 X 2.00 X 90 | 48 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 48 |
| (1***0) | Final Drive Ass'Y,R.H | 1 |
Service Kit And Component Parts
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Angle Cylinder
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 2 |
| 04***25 | Ring, Snap | 4 |
| 07***80 | O-Ring (Kit) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Compressor
| 20***10 | Air Compressor A. (Kit) | 1 |
| ND***70 | Clamp, Tapping | 1 |
| ND***40 | Compressor Assembly | 1 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (1/6) (For Ripper)
| 01***80 | Capscrew | 4 |
| 01***23 | Washer,(For Shipping) | 8 |
| 07***07 | O-Ring - (K10) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (2/6) (For Ripper)
| 01***40 | Screw | 12 |
| 01***50 | Screw | 2 |
| 07***23 | O-Ring; Was 07002-10823, O-Ring,(Not Shown) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (3/6) (For Ripper)
| 07***14 | O-Ring,(F4350-61a0a-20 ) | 1 |
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 4 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (4/6) (For Ripper)
| 07***07 | O-Ring - (K10) | 1 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
| 07***07 | Ring,Back-Up | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (5/6) (For Ripper)
| 70***10 | O-Ring (Kit) | 1 |
| 70***20 | Ring, Back-Up | 1 |
| 70***90 | O-Ring,Suction | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (6/6) (For Ripper)
| 02***08 | O-Ring (Kit) | 1 |
| 04***15 | Bolt,Eye | 2 |
| 07***24 | O-Ring | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Electric Lever
| 01***12 | Bolt | 4 |
| 08***02 | Conduit,Flexible | 1 |
| 08***12 | Connector | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (1/14)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 07***80 | O-Ring | 1 |
| 07***28 | O-Ring | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (10/14)
| 01***85 | Bolt, Divider Valve Mounting | 4 |
| 01***40 | Bolt | 1 |
| 07***45 | O-Ring | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (11/14)
| 07***34 | O-Ring,(F2370-57a0 -42 ) | 4 |
| 72***90 | Valve Ass'Y,Relief | 4 |
| 72***50 | Spring | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (12/14)
| 01***11 | Nut - Mounting | 1 |
| 07***11 | O-Ring | 1 |
| 07***23 | O-Ring,(F3320-65a0 -34 ) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (13/14)
| 01***75 | Bolt | 4 |
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
| 07***10 | O-Ring | 10 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (14/14)
| 02***03 | Hose | 1 |
| 02***11 | Elbow | 1 |
| 02***09 | O-Ring,(F2370-57a0 -46 ) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (2/14)
| 04***25 | Ring,Snap | 1 |
| 07***75 | O-Ring | 1 |
| 07***12 | O-Ring | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (3/14)
| (7***4) | Pump Sub Ass'Y | 1 |
| (7***1) | Pump Ass'Y | 1 |
| (****8) | Ring,Snap | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (4/14)
| (****0) | Retainer | 1 |
| (****0) | Retainer | 1 |
| (****1) | Sleeve | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (5/14)
| (****5) | O-Ring | 2 |
| (****0) | Cover | 1 |
| (7***4) | Pump Sub Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (6/14)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 07***80 | O-Ring | 1 |
| 07***28 | O-Ring | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (7/14)
| (****0) | Block Ass'Y,Rear | 1 |
| (7***4) | Pump Sub Ass'Y | 1 |
| (7***1) | Pump Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (8/14)
| (****0) | Retainer | 1 |
| (****0) | Retainer | 1 |
| (****1) | Sleeve | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (9/14)
| (****5) | O-Ring | 2 |
| (****0) | Cover | 1 |
| (7***4) | Pump Sub Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Hydraulic Pump
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***24 | Pin,Dowel (For No.3 Housing) | 4 |
| 04***18 | Ring, Retaining | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Lift Cylinder
| 02***12 | O-Ring,(F2370-57a0 -49 ) | 3 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
| 07***90 | O-Ring,(Y1620-41a0a-11) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (1/4)
| 70***92 | Pilot Valve | 1 |
| 70***40 | Shim - 0.012 In. (0.30 mm) | 2 |
| 70***70 | Gasket | 2 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (For Rear Attachment)
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 70***90 | Pilot Valve | 1 |
| 70***40 | Shim - 0.012 In. (0.30 mm) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Ripper Cylinder
| 02***15 | Elbow | 1 |
| 02***09 | O-Ring,(F4350-61a0 -41 ) | 2 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Rubber Antenna
| 19***10 | Rubber Antenna,(See Fig. Y1062-01a0) | 1 |
| EP***03 | Spring Washer | 2 |
| EP***01 | Wing Bolt | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Shoe Bolt And Nut Service Kit
| 20***20 | Nut,Shoe (Y0320-K2) | 50 |
| 20***11 | Shoe Bolt And Nut K.,(For Single) | 1 |
| 20***21 | Bolt? Shoe (Y0320-K3) | 50 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Tilt Cylinder
| 04***25 | Ring, Snap | 4 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
| 07***90 | O-Ring,(Y1620-41a0a-11) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Track Link (Lubricate Type) (For Single Grouser) (Supply Parts)
| 07***30 | Plug,(Large) | 78 |
| 07***21 | Plug,(Small) | 78 |
| 11***00 | Track Link Ass'Y,635s Wb44 | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Track Link (Lubricate Type) (For Single Grouser) (Supply Parts) (Abrasive Resistant Type)
| 07***30 | Plug,(Large) | 78 |
| 07***21 | Plug,(Small) | 78 |
| 11***00 | Track Link Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (1/3) (L.H.)
| 70***71 | Motor Ass'Y | 1 |
| (****0) | O-Ring | 1 |
| (****0) | Screw | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (1/3) (R.H.)
| 70***81 | Motor Ass'Y | 1 |
| (****0) | O-Ring | 1 |
| (****0) | Screw | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (2/3) (L.H.)
| (7***1) | Motor Ass'Y,L.H | 1 |
| (****3) | Valve Ass'Y,Relief | 1 |
| (****0) | O-Ring | 12 |
Komatsu : D39ex-21a(S/N 1501-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 : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (3/3) (L.H.)
| (****1) | Spring | 6 |
| (7***1) | Motor Ass'Y,L.H | 1 |
| (****0) | Piston,Brake | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (3/3) (R.H.)
| (****1) | Spring | 6 |
| (****0) | Piston,Brake | 1 |
| (****1) | Flange | 1 |
Under Carriage
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Carrier Roller
| 01***30 | Bolt - Pin Mounting | 1 |
| 01***70 | Bolt,(With Wear Guard) | 4 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Front Idler
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 8 |
| 01***13 | Nut,(See Fig.337) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 10 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Idler Cushion
| 01***30 | Bolt - M8 X 30lg | 8 |
| 01***80 | Screw | 12 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 8 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Roller Guard
| 01***35 | Bolt,(With Rops) | 10 |
| 01***45 | Bolt,(For 60ton Dump Body) | 4 |
| 01***50 | Bolt,(For D60pl) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Roller Guard (Full Guard)
| 01***30 | Bolt,(Not Used When Towing Winch) | 16 |
| 01***35 | Bolt,(With Rops) | 26 |
| 01***45 | Bolt,(For 60ton Dump Body) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Frame Cover
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 10 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 6 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Frame Cover (1/2) (For Ripper)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Frame Cover (2/2) (For Ripper)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Frame Cover (For Swing Drawber)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 6 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 18 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Roller
| 01***75 | Capscrew | 48 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 48 |
| 04***16 | Pin,(Dowel) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Roller (Double Grouser) (For Double Flange)
| 04***16 | Pin,(Dowel) | 4 |
| 07***42 | O-Ring, Between Tube And Divider Valve | 2 |
| 07***17 | Plug | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Roller (Mounting Parts) (For Double Flange)
| 01***75 | Capscrew | 48 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 48 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Roller (Single Grouser) (For Double Flange)
| 04***16 | Pin,(Dowel) | 4 |
| 07***42 | O-Ring, Between Tube And Divider Valve | 2 |
| 07***17 | Plug | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (460mm Wide)
| 07***30 | Plug,(Large) | 78 |
| 07***21 | Plug,(Small) | 78 |
| 11***00 | Track Shoe Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (460mm Wide) (Abrasive Resistant Type)
| 07***30 | Plug,(Large) | 78 |
| 07***21 | Plug,(Small) | 78 |
| 11***00 | Track Shoe Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (510mm Wide)
| 07***30 | Plug,(Large) | 78 |
| 07***21 | Plug,(Small) | 78 |
| 11***10 | Track Shoe Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (510mm Wide) (Abrasive Resistant Type)
| 07***30 | Plug,(Large) | 78 |
| 07***21 | Plug,(Small) | 78 |
| 11***20 | Track Shoe Ass'Y | 1 |
Work Equipment
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Angle Cylinder (Pat)
| (7***2) | Cylinder Ass'Y | 2 |
| (7***1) | Cylinder Ass'Y | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Blade (Power Angle Power Tilt Dozer)
| 01***30 | Bolt,(Not Used When Towing Winch) | 3 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 3 |
| 02***55 | Bolt (Only For Bucket With Cutting Edge) | 21 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Blade Lift Cylinder (Pat)
| (7***0) | Cylinder Group,R.H | 1 |
| (7***0) | Cylinder Group,L.H | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Dozer Frame (Pat)
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***65 | Bolt,(Without Rops) | 8 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 4 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Dozer Oil Line (Angle Cylinder Line) (Pat)(#1501-1563)
| 01***55 | Bolt,(See Service News) | 4 |
| 01***10 | Bolt,(With Joy Stick Steering) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Dozer Oil Line (Angle Cylinder Line) (Pat)(#1564-)
| 01***55 | Bolt,(See Service News) | 4 |
| 01***10 | Bolt,(With Joy Stick Steering) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Dozer Oil Line (Cover) (Pat)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***70 | Bolt - Bracket And Oil Inlet Tubemounting | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Drawbar
| 01***60 | Capscrew | 4 |
| 01***60 | Washer,(Without Rops Guard? Canopy) | 4 |
| 04***12 | Pin,Cotter (For Ripper) | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Drawbar (For Ripper)
| 01***60 | Bolt,Rear | 2 |
| 01***60 | Flat Washer - M20 (Hardened) | 2 |
| 11***20 | Hitch Ass'Y | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Link (Cylinder Pin) (Pat)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 18 |
| 01***95 | Screw | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 18 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Rear P.T.O. : Unit_02_of_02
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***90 | Capscrew | 4 |
| 01***65 | Bolt | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Rear P.T.O. : Unit_01_of_02
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***90 | Capscrew | 4 |
| 01***65 | Bolt | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Ripper
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***60 | Bolt,Rear | 10 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Ripper Cylinder
| (7***1) | Cylinder Group,Ripper | 1 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Swing Drawbar
| 01***30 | Bolt,(Not Used When Towing Winch) | 2 |
| 01***55 | Bolt,(Without Rops) | 16 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
Komatsu : D39ex-21a(S/N 1501-Up (Overseas Version)) : Work Equipment : Tilt Cylinder (Pat)
| (7***1) | Cylinder Ass'Y | 1 |
D39EX-21A(S/N 1501-UP (Overseas Version)) serial number reference
The PIN plate is located on the front frame casting, typically near the operator's left side. To read the prefix, identify the first three characters of the model designation or the initial alphanumeric string preceding the sequential build number.
| Prefix | Identifies | Notes |
|---|---|---|
| D39 | D39EX-21A (Overseas Version) | Identifies the crawler dozer family and size class. The D39EX-21A (Overseas Version) covers serial numbers 1501 and up. This model uses the SAA4D102E-2 engine. |
Frequently asked questions
What engine is used in the D39EX-21A (S/N 1501-UP)?
The machine is equipped with a Komatsu SAA4D102E-2 turbocharged and air-to-air aftercooled diesel engine.
What is the operating weight of this model?
The operating weight is approximately 18780 lb (8520 kg).
What machine replaced the D39EX-21 series?
The D39EX-24 model serves as a successor, featuring an updated SAA4D95LE-7 engine and different weight/power specifications.
What D39EX-21A(S/N 1501-UP (Overseas Version)) owners discuss
What engine is used in the Komatsu D39EX-21A (S/N 1501-UP)?
The machine is equipped with a Komatsu SAA4D102E-2 turbocharged and air-to-air aftercooled diesel engine. This engine provides 95 hp (71 kW) of net power at 2,200 rpm and features a displacement of 2/40 cu in (3.9 L). It complies with EPA Tier 3 and EU Stage IIIA emission regulations.
What are the common hydraulic issues reported regarding track movement?
Operators have reported uneven track flow, specifically low oil flow to the right track during forward and reverse operations. This can be caused by clogged flow ports or faulty control valves. Additionally, some units have experienced a 'reverse lock' accompanied by Fault E03, which may indicate issues with wiring or speed sensors.
What should be checked regarding the HST (Hydrostatic Transmission) system?
Potential issues include one track initiating movement before the other after direction changes, which is suspected to stem from a weak HST pump or an HST controller issue. Users have also noted that intermittent movement or 'jumping' in reverse may result from HST pump EPC coils overheating and dropping out.
Are there any known electrical or sensor-related quirks?
One reported observation is that certain movement issues occur primarily when the AC is active, suggesting a potential electrical load or grounding issue. For joystick/steering troubleshooting, technicians recommend checking electrical connections, calibrating the joystick, and inspecting the PCCS steering lever assembly.
What are the typical fluid capacities for maintenance planning?
Standard capacities include: Engine Oil: 3.3 gal (12.5 L); Hydraulic Fluid: 12.4 gal (47 L); Cooling System: 8.5 gal (32 L); Fuel Capacity: 43.6 gal (165 L); and Final Drives: 0.9 gal (3.5 L).
What should be checked when buying a used D39EX-21A (S/N 1501-UP)?
Verify the telematics history to check for hour-meter rollback; any gap exceeding approximately 50 hours between records and the dashboard meter is a significant red flag. Additionally, cross-check the riveted serial plate on the front frame casting against the number engraved directly into the chassis frame to ensure the machine has not been tampered with.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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