Komatsu D39EX-21(S/N 1001-1499-UP (Overseas Version))
Komatsubulldozersmall ( - d39)

Komatsu D39EX-21(S/N 1001-1499-UP (Overseas Version))

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu D39EX-21 is a compact crawler dozer in the utility class, featuring a Komatsu SAA4D102E-2 turbocharged and aftercooled engine. This machine operates with an 8518.5 kg (18780 lb) operating weight and utilizes a dual path hydrostatic transmission providing three forward and three reverse gears. The series is characterized by its KOMSTAT II technology, offering high-efficiency earthmoving capabilities in a versatile footprint.

Across the D39 series generations, advancements have focused on improved visibility through super-slant nose designs and enhanced operator control via PCCS and Komstat II systems. Today, this machine remains significant in the used parts market due to its commonality with the D39PX-2 and the high demand for durable components like the SAA4D102E-2 engine and hydrostatic transmission assemblies.

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-21(S/N 1001-1499-UP (Overseas Version)) specifications

Engine

Engine ModelKomatsu SAA4D102E-2
Net Power95 HP (70.8 kW)
AspirationTurbocharged and air-to-air aftercooled
Displacement240 cu in (3932.9 cc)

Weights

Operating Weight18780 lb (8/518.5 kg)

Dimensions

Length Overall165.6 in (420.6 cm)
Width Over Track84.0 in (213.4 cm)
Height To Top Of Cab109.2 in (277.4 cm)
Length of Track on Ground93.6 in (237.7 cm)
Track Gauge66.0 in (167.6 cm)
Standard Shoe Size18 in (45.7 cm)
Track Pitch65 in (165.1 cm)
Number of Shoes Per Side39
Number of Track Rollers Per Side6

Performance

Max Speed Forward5.3 mph (8.5 km/h)
Max Speed Reverse5.3 mph (8.5 km/h)
Ground Pressure0.4 bar (5.55 to 5.6 psi)
Ground Contact Area3365 cu in (55142.6 cm³)

Blades

Standard Blade Width9 ft (2740 mm)
Standard Blade Height35 in (890 mm)
Blade Angle (Both Directions)2 degrees
Cutting Depth17.3 in (440 mm)

Service Capacities

Fuel Capacity43.6 gal (165.0 l)
Engine Oil Capacity3.3 gal (12.5 l)
Cooling System Capacity8.5 gal (32.2 l)
Hydraulic Fluid Capacity12.4 gal (46.9 l) to 11.6 gal (44 l)
Final Drives Capacity0.9 gal (3.4 l)

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

D39EX-21(S/N 1001-1499-UP (Overseas Version)) fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (w/ filter)3.3 gal (12.5 l)Verify with dealer.
Cooling system8.5 gal (32.2 l) to 32 lVerify with dealer.
Fuel tank43.6 gal (165.0 l)Verify with dealer.
Transmission/powertrain (powershift transmission + bevel gear/steering compartments)Not specifiedVerify with dealer.
Final drives (each)0.9 gal (3.4 l)Verify with dealer.
Hydraulic system/tank12.4 gal (46.9 l) to 11.6 gal (44 l)Verify with dealer.
Grease specsNot specifiedApply 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-21(S/N 1001-1499-UP (Overseas Version)) maintenance schedule

Service intervalTasks
Every 10 h
  • Inspect electrical system
  • Check for leaks
  • Perform daily greasing of lift cylinder bottom and head pins
Every 250 h
  • Lubricate all grease fittings
  • Inspect for dirt or sand accumulation
Every 500 h
  • Replace fuel filter cartridge
  • Bleed air from fuel system after replacement
Every 1,000 h
  • Change oil in final drive case
  • Check plug O-rings for damage
  • Verify plug (P) and (F) orientation
Every 2,000 h
  • Change hydraulic tank oil
  • Replace hydraulic oil filter cartridge
  • Clean hydraulic suction strainer
  • Verify refill capacity of 11.6 gal (44 L)
Every 4,000 h
  • Inspect water pump for pulley play
  • Check water pump for leaks
  • Inspect water pump drain hole

Servicing the D39EX-21(S/N 1001-1499-UP (Overseas Version)) beyond the schedule

Predictive Maintenance & Fluid Analysis

Monitor hydraulic fluid cleanliness to protect the Komstat II hydrostatic system. Regularly check engine oil levels in the 12.5 L (3.3 gal) sump and inspect for contamination. Use periodic sampling of final drive oil to detect premature wear in the gear sets. Maintaining clean fuel through frequent cartridge replacement prevents injector damage in the SAA4D102E-2 engine.

Corrective & Common Repairs

Address hydraulic leaks at cylinder pins or hoses immediately to maintain system pressure. If transmission performance drops, inspect the dual path hydrostatic unit for pressure irregularities. Replace damaged O-rings on final drive plugs during servicing to prevent oil loss. Monitor the cooling system for leaks or low levels in the 32.2 L (8.5 gal) capacity reservoir.

Overhaul & Rebuild Points

Plan major engine overhauls around the SAA4D102E-2 displacement limits and turbocharger wear. During undercarriage rebuilds, evaluate all 39 shoes per side and 6 rollers per side for excessive wear. Significant hydraulic pump or motor rebuilds should be scheduled when efficiency declines. Rebuild final drive components if metal particles appear during the 1000-hour oil change.

Seasonal & Environment Servicing

In soft ground, increase greasing frequency to every 10 hours for lift cylinder pins. In dusty environments, clean the air intake and inspect the aftercooler for debris buildup. During cold operations, ensure hydraulic oil viscosity is appropriate for the temperature range of -40 to +50 degrees Celsius. Check track tension and pitch regularly if operating in abrasive terrain.

D39EX-21(S/N 1001-1499-UP (Overseas Version)) common service parts

Part numberPart
07281-00197Clamp,(With Pre-Fuel Filter)Check fitment →
6732-71-6111Filter, Fuel - SecondaryCheck fitment →
09637-90263Plate? Instruction,Air Cleaner Element MainteCheck fitment →
09637-30163Plate? Instruction,Air Cleaner (Single Element)Check fitment →
14X-911-7741Filter,AirCheck fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

D39EX-21(S/N 1001-1499-UP (Overseas Version)) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
A570NXEngine oil filter: CloggingContaminated engine oil or overdue service intervalInspect and replace engine oil filter
AA10NXAir Cleaner CloggingExcessive dust or debris accumulation in air intake systemInspect and clean or replace air cleaner element
AB00KECharge Voltage Low / Battery Charge Voltage LowAlternator malfunction, worn drive belt, or battery failureCheck alternator output and battery terminal connections
A000NSEngine overheatLow coolant level, radiator blockage, or water pump failureCheck coolant levels and inspect radiator for obstructions
B@BAZKEngine Oil Level LowOil consumption or external leakCheck engine oil level and top up as required
B@BFZKLowering of fuel levelFuel consumption or leak in the fuel systemInspect fuel tank and lines for leaks; refill fuel
CA441Battery Voltage Low ErrorDefective battery or charging system failureTest battery voltage and alternator output

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

D39EX-21(S/N 1001-1499-UP (Overseas Version)) attachments & work tools

Blades

Available types include angle blades, U-blades, and Power Angle Power Tilt (PAPT) configurations with adjustable blade pitch. Blade capacity for the series ranges from 3.5 to 14 m³.

Rippers

Multi-shank parallelogram style rippers are available, specifically featuring a 3-shank configuration for D39EX models with a weight of 470 kg. The system includes 2 cylinders and a 1569 mm beam length.

Winches

Not documented for this exact serial range — verify with your dealer.

Drawbars/counterweights

Counterweight and drawbar attachments are listed as available components for the D39 series.

Cab/ROPS guarding options

The machine features a ROPS cab configuration. Specific forestry or waste-specific guarding details for this serial range are not documented.

Hydraulic arrangement notes

Features Komatsu Hydrostatic Transmission (KomStat II) with PCCS controls and power steering via PPC valve control. The system includes dedicated ripper control and ripper P.P.C piping.

All D39EX-21(S/N 1001-1499-UP (Overseas Version)) assemblies by section

Every catalogued assembly group for the Komatsu D39EX-21(S/N 1001-1499-UP (Overseas Version)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Accessory
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Accessory : Cap And Overall
09***50Overall,(Special Order)1
09***57Cap,(Special Order)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Accessory : Spare Parts
09***00Box,Spare Parts (Except Usa)1
11***21Cartridge,Hydraulic Oil Filter (D31s)1
71***11Element, Transmission Oil Filter1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Accessory : Tool
07***50Pump, (Bellows Type)1
07***03Cartridge - Grease1
07***17Nozzle1
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Cooling System
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Cooling System : Cooling (Cover)
01***20Bolt,(For Mono Lever Steering)15
01***35Bolt,(F4320-52a0 -5 )2
01***32Washer,(With Auto Emergency Steering)17
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Cooling System : Cooling (Mount)
01***30Bolt,(With Body Positioner)4
01***35Bolt,(F4320-52a0 -5 )7
01***65Bolt - Return Line And Suction Linehose Clamps4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Cooling System : Cooling (Piping)
01***20Bolt,(For Mono Lever Steering)3
01***30Bolt,(With Body Positioner)2
01***32Washer,(With Auto Emergency Steering)5
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Cooling System : Cooling (Radiator And Oil Cooler)
01***20Bolt,(For Mono Lever Steering)5
01***30Bolt,(With Body Positioner)7
01***00Bolt,(For Front Brake Release)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Cooling System : Reserve Tank
01***25Bolt,(Rear Attachment Less)1
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***23Washer, Wiring Harness Mounting Bracket1
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Electrical System
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Back-Up Alarm
01***20Bolt,(For Mono Lever Steering)2
01***00Bolt,(For Front Brake Release)2
01***12Bolt,(See Fig. K0210-16a0)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Back-Up Buzzer
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***20Bolt,(For Mono Lever Steering)3
01***12Bolt,(See Fig. K0210-16a0)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Battery
01***20Bolt,(For Mono Lever Steering)2
01***08Nut,(For Canvas Canopy?Head Guard)8
01***32Washer,(With Auto Emergency Steering)6
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Battery (Large Capacity Type)
01***08Nut,(For Canvas Canopy?Head Guard)8
01***32Washer,(With Auto Emergency Steering)4
08***00Terminal? (+),(10l) (Not Shown)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Battery Wiring
01***30Bolt - M8 X 30lg2
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Electrical System (Engine Wiring)
01***16Bolt - Box Mounting2
01***16Bolt - Seat And Tether Belt Mounting3
01***20Bolt,(For Mono Lever Steering)6
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Electrical System (Horn And Floor Wiring Clip)
01***20Bolt, Wiring Harness Mounting Bracket2
01***16Bolt, Battery To Frame Ground Wire Attaching5
01***20Bolt,(For Mono Lever Steering)6
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Electrical System (Vehicle Wiring)
01***16Bolt, Battery To Frame Ground Wire Attaching6
01***20Bolt,(For Mono Lever Steering)17
01***25Bolt,(For Canvas Canopy?Head Guard)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Electrical System : Vehicel Lamp
Engine Related Parts
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : After Cooler (Air To Air)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(With Body Positioner)4
01***35Bolt,(F4320-52a0 -5 )1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Air Cleaner
01***16Bolt - Box Mounting2
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***23Washer,(With Auto Emergency Steering)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Air Cleaner (With Pre-Cleaner)
01***16Bolt - Box Mounting2
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***23Washer,(With Auto Emergency Steering)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Air Conditioner (Compressor)
01***25Bolt,(Rear Attachment Less)1
01***90Bolt,With Cover3
01***16Bolt, Battery To Frame Ground Wire Attaching9
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Compressor
20***10Air Compressor A. (Kit)1
ND***70Clamp, Tapping1
ND***40Compressor Assembly1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Corrosion Resistor
01***30Bolt,(With Body Positioner)2
01***35Bolt,(F4320-52a0 -5 )6
01***32Washer,(With Auto Emergency Steering)8
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Damper
01***30Bolt,(With Body Positioner)12
01***32Washer,(With Auto Emergency Steering)12
07***11Plug,(For Shipping)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Engine Mounting Parts
01***20Bolt,(For Mono Lever Steering)1
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***20Bolt,(Without Rops Guard? Canopy)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Engine Related Parts (Except Japan)
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(With Body Positioner)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Fuel Lift Pump
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Heater (Piping)
01***20Bolt,(For Mono Lever Steering)5
01***32Washer,(With Auto Emergency Steering)5
04***11Clamp, Vinyl2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Heater (Plug)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Heater Switch
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Muffler
01***30Bolt4
01***25Bolt4
01***12Bolt,(With Speedometer)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Pre-Cleaner
60***30Body1
60***30Pre-Cleaner Ass'Y1
61***90Trap,Dust1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Engine Related Parts : Spare Parts
07***16Gasket,(For Pc750-6) (See Fig.A2110)2
67***11Gasket,Air Intake Heater1
67***81Gasket, Valve Cover4
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Fuel Tank And Related Parts
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Fuel Tank And Related Parts : Fuel Line
01***20Bolt,(For Mono Lever Steering)8
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***32Washer,(With Auto Emergency Steering)9
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Fuel Tank And Related Parts : Fuel Line (With Fuel Pump)
01***20Bolt,(For Mono Lever Steering)8
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***32Washer,(With Auto Emergency Steering)9
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Fuel Tank And Related Parts : Fuel Tank
01***20Bolt,(For Mono Lever Steering)1
01***12Screw5
01***32Washer,(With Auto Emergency Steering)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Fuel Tank And Related Parts : Water Separator
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***45Bolt,(For 60ton Dump Body)4
01***45Washer,(For Travel Motor) (Not Show)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Fuel Tank And Related Parts : Water Separator (With Fuel Pump)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***45Bolt,(For 60ton Dump Body)4
01***45Washer,(For Travel Motor) (Not Show)4
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Guard
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Engine Hood
01***25Bolt,(Without Rops Guard? Canopy)2
01***45Bolt, Mounting Cranking Motor4
01***20Bolt,Sems4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Engine Hood (Wiht Precleaner And Rops Sweep)
01***25Bolt,(Without Rops Guard? Canopy)2
01***45Bolt, Mounting Cranking Motor4
01***20Bolt,Sems4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Engine Hood (With Precleaner)
01***25Bolt,(Without Rops Guard? Canopy)2
01***45Bolt, Mounting Cranking Motor4
01***20Bolt,Sems4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Engine Side Cover (Lower)
01***16Bolt - Box Mounting8
01***20Bolt,(Without Air Con. Or Heater)8
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Engine Side Cover (Upper)
01***20Bolt,(For Mono Lever Steering)4
01***45Bolt,(With Water Separator Type)16
01***12Washer,(With Body Positioner)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Floor Cover
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***16Bolt6
01***32Washer,(With Auto Emergency Steering)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Floor Cover (For Air Condtioner)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***32Washer,(With Auto Emergency Steering)4
11***60Plate1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Front Hook
01***40Bolt,(For Slag Handling) (For Usa)6
01***45Washer,(For Travel Motor) (Not Show)6
11***10Hook1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Radiator Guard (Grid Mask) (For Except Japan)
01***25Bolt,(Without Rops Guard? Canopy)2
01***30Bolt,(Not Used When Towing Winch)2
01***35Bolt,(With Rops)10
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Radiator Guard (Perforated Mask)
01***25Bolt,(Without Rops Guard? Canopy)2
01***30Bolt,(Not Used When Towing Winch)2
01***35Bolt,(With Rops)10
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Radiator Mask (Grid) (For Except Japan)
01***40Bolt,(For Slag Handling) (For Usa)4
01***25Bolt4
01***25Bolt,(Without Gps Antenna Bracket)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Radiator Mask (Perforated Mask)
01***55Bolt,(Not Used For Chip Dozer)4
01***25Bolt,(Without Gps Antenna Bracket)4
01***45Washer,(For Travel Motor) (Not Show)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rear Cover
01***20Bolt,(Without Rops Guard? Canopy)6
01***30Bolt,(Not Used When Towing Winch)6
01***32Washer,(Not Used With Emergency Str.)12
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rear Cover (For Air Condtioner)
01***16Bolt - Seat And Tether Belt Mounting4
01***20Bolt, Wiring Harness Mounting Bracket5
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rear Cover (For Air Condtioner) (For Ripper)
01***16Bolt - Seat And Tether Belt Mounting4
01***20Bolt, Wiring Harness Mounting Bracket5
01***20Bolt,(For Mono Lever Steering)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rear Cover (For Ripper)
01***20Bolt,(Without Rops Guard? Canopy)6
01***30Bolt,(Not Used When Towing Winch)6
01***32Washer,(Not Used With Emergency Str.)12
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rear Guard (Battery Cover)
01***20Bolt,(For Mono Lever Steering)4
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***25Bolt,(Without Rops Guard? Canopy)5
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rear Guard (Fender)
01***20Bolt,(Without Rops Guard? Canopy)3
01***25Bolt,(Without Rops Guard? Canopy)5
01***40Bolt,(For Slag Handling) (For Usa)24
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rear Guard (Front Bracket)
01***55Bolt,(Not Used For Chip Dozer)6
01***65Capscrew - M16 X 2.00 X 902
01***45Washer,(For Travel Motor) (Not Show)8
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Rops Mount
01***40Bolt,(For Slag Handling) (For Usa)24
01***45Bolt,(For L=529mm Pin)4
01***19Nut - M244
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Guard : Under Guard
01***25Bolt,(Without Rops Guard? Canopy)1
01***35Bolt, Mount Ground Driven Steering Pump10
01***32Washer,(Not Used With Emergency Str.)5
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Hydraulic System
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Angle Cylinder Line
02***09O-Ring,(F4350-61a0 -41 )6
11***31Hose2
11***41Tube1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Drain Line
01***16Bolt - Seat And Tether Belt Mounting1
01***75Bolt - Tube Mounting2
01***23Washer, Wiring Harness Mounting Bracket1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump
01***40Screw, Hex Socket4
01***35Bolt,(F4320-52a0 -5 )8
01***35Bolt, Mount Ground Driven Steering Pump6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump Line (Delivery)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***65Bolt - Return Line And Suction Linehose Clamps2
01***09Nut,(For Japan)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Hydraulic Pump Line (Suction)
01***20Bolt,(For Mono Lever Steering)5
01***30Bolt,(With Body Positioner)1
01***09Nut,(For Japan)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Hydraulic Tank
01***16Bolt - Seat And Tether Belt Mounting4
01***40Bolt (Op)4
01***16Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Hydraulic Tank (Mount And Filter)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***40Bolt,(For Slag Handling) (For Usa)4
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Lift Cylinder Line (Hose)
01***20Bolt,(For Mono Lever Steering)10
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***65Bolt - Return Line And Suction Linehose Clamps2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Lift Cylinder Line (Valve)
01***25Bolt,(Without Rops Guard? Canopy)1
01***30Bolt,(Not Used When Towing Winch)2
01***35Bolt, Mount Ground Driven Steering Pump1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Main Valve (Mount And Elbow)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***65Bolt,(Used With Pin Puller)4
01***32Washer,(With Auto Emergency Steering)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Main Valve (Mount And Elbow) (For Ripper)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***65Bolt,(Used With Pin Puller)4
01***32Washer,(With Auto Emergency Steering)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Oil Cooler Line
01***20Bolt,(For Mono Lever Steering)7
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***09Nut,(For Japan)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Charge Filter)
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***30Bolt,(With Body Positioner)4
01***60Bolt,(F4320-52a0 -5- )2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Elbow)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***32Washer,(With Auto Emergency Steering)2
02***15Union1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Hose)
01***25Capscrew1
01***20Bolt,(For Mono Lever Steering)4
01***23Washer,(With Auto Emergency Steering)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Solenoid Valve)
01***20Bolt,(For Mono Lever Steering)4
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(Not Used When Towing Winch)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Toe Valve)
01***09Nut,(For Japan)4
01***32Washer,(With Auto Emergency Steering)4
04***16Pin (Itl)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Ppc Line (Valve)
01***20Bolt,(For Mono Lever Steering)2
01***50Bolt,(Spark Arrester Spec.)1
01***60Bolt,(F4320-52a0 -5- )2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Ripper Cylinder Line
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***45Bolt,(With Water Separator Type)2
01***55Bolt,(See Service News)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Tilt Cylinder Line
01***20Bolt,(For Mono Lever Steering)15
01***45Bolt,(With Water Separator Type)2
01***07Nut,(With Body Positioner)16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Hydraulic System : Travel Line
01***20Bolt,(For Mono Lever Steering)1
01***75Bolt (M10-1.50x75)4
01***85Bolt, Divider Valve Mounting4
See all parts with full part numbers in Heavy Parts AI →
Main Frame And Related Parts
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Main Frame And Related Parts : Main Frame
01***25Bolt,(Without Rops Guard? Canopy)4
01***32Washer,(Not Used With Emergency Str.)4
04***12Lock,(With Rain Cap)2
See all parts with full part numbers in Heavy Parts AI →
Marks And Plates
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Marks And Plates : Center Of Gravity Mark
11***10Table,Slinging Position1
21***50Plate? Mark,Location Of Center Of Gravity4
21***60Plate? Mark,Location Of Center Of Gravity2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Marks And Plates : Marks And Plates (Chinese)
04***60Screw,Machine Model (For Ec Reg.)4
09***01Plate? Name,(Limited Supply)1
09***63Plate? Instruction,Air Cleaner Element Mainte1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Marks And Plates : Marks And Plates (English)
04***60Screw,Machine Model (For Ec Reg.)4
09***63Plate? Instruction,Air Cleaner (Single Element)1
09***01Plate? Safety,Warning Before Ope.And Mainte1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Marks And Plates : Rops Plates (English)
04***08Rivet4
09***01Plate? Name,(Limited Supply) (Usa? Canada)1
See all parts with full part numbers in Heavy Parts AI →
Miscellaneous
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Miscellaneous : Vandalism Protection
09***00Lock,(With Vandalism Protection)1
See all parts with full part numbers in Heavy Parts AI →
Operator'S Compartment And Control System
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Air Hose)
01***20Bolt, Wiring Harness Mounting Bracket2
01***25Bolt,(Rear Attachment Less)2
01***16Bolt, Battery To Frame Ground Wire Attaching1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Capacitor)
11***30Capacitor1
11***31Capacitor1
20***50Resistor, Blower1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Compressor)
09***07Hose,Defroster1
11***11Air Conditioner A1
11***12Air Conditioner Unit1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Condenser)(#1001-1136)
01***20Bolt,(Without Air Con. Or Heater)2
01***20Bolt, Wiring Harness Mounting Bracket12
01***25Bolt,(Without Rops Guard? Canopy)5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Condenser)(#1137-1499)
01***20Bolt,(Without Air Con. Or Heater)4
01***20Bolt, Wiring Harness Mounting Bracket12
01***25Bolt,(For Canvas Canopy?Head Guard)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Cooling)
19***40Clamp1
20***00Packing1
ND***00Case Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Duct)
01***16Bolt - Box Mounting4
01***20Bolt,(For Mono Lever Steering)4
01***20Screw5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Filter)
01***20Bolt,(For Mono Lever Steering)6
01***25Bolt,(Without Rops Guard? Canopy)8
01***30Bolt,(Not Used When Towing Winch)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (1/4)
11***00Heater Ass'Y1
TW***20Heater Core1
TW***80Case1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (2/4)
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***32Washer,(With Auto Emergency Steering)1
08***10Bracket, Bucket Position Sensor1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (3/4)
11***00Heater Ass'Y1
TW***70Filter1
TW***03Seal1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Heater) (4/4)
11***00Heater Ass'Y1
TW***10Duct1
TW***01Seal1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Unit)(#1001-1136)
01***12Bolt - Front Cover Mounting2
01***20Bolt,(For Mono Lever Steering)10
01***16Bolt,L.H6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Air Conditioner (Unit)(#1137-1499)
01***12Bolt - Front Cover Mounting2
01***20Bolt,(For Mono Lever Steering)3
01***35Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Arm Rest
01***32Plain Washer4
07***30Bolt,(For Tree Pusher)4
11***12Arm Rest,L.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Brake Pedal 1/2)
01***30Bolt,(For France Noise Suppression)1
01***20Bolt, Wiring Harness Mounting Bracket2
01***30Bolt,(With Body Positioner)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Brake Pedal 2/2)
01***20Bolt, Wiring Harness Mounting Bracket6
01***30Bolt - M8 X 30lg4
01***22Capscrew2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Cover Mount)
01***30Bolt, Mounting - Front Hand Rails23
11***33Cover1
11***61Cover1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Cable)
01***20Bolt, Wiring Harness Mounting Bracket2
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
01***10Washer,(For 35a Alternator)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Cable) (Cab)
01***20Bolt, Wiring Harness Mounting Bracket2
01***30Bolt, Mounting - Front Hand Rails8
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Deccel Pedal)
01***30Bolt - M8 X 30lg2
01***30Bolt,(Not Used When Towing Winch)4
01***30Bolt,(With Back-Up Alarm) (Op)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Piping)(#1001-1157)
02***11Elbow1
02***09O-Ring,(F4350-61a0 -41 )7
07***23O-Ring,(For 2nd Travel Speed) (Op)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Center Floor (Piping)(#1158-1499)
01***25Bolt,(Rear Attachment Less)1
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
01***23Washer, Wiring Harness Mounting Bracket2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Cup Holder (With Cab)
01***25Screw2
01***23Washer,(Without Air Con.)2
11***90Bracket1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Cup Holder (Without Cab)
01***20Screw2
01***30Screw2
01***23Washer,(Without Air Con.)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Fire Extinguisher (English) (With Cab)
01***20Bolt,(Without Air Con. Or Heater)6
01***25Screw4
01***19Washer,Spring (With Extinguisher) (D31p)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Fire Extinguisher (English) (Without Cab)
01***20Bolt,(Without Air Con. Or Heater)4
01***19Washer,Spring (With Extinguisher) (D31p)4
01***23Washer,(With Auto Emergency Steering)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame
01***18Bolt2
01***25Bolt,(Rear Attachment Less)4
01***30Bolt - M8 X 30lg1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Blade Control)
01***10Bolt3
01***16Washer,(With Water Separator)1
07***30Bolt,(For Tree Pusher)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Blade Lock Lever)
01***20Bolt, Wiring Harness Mounting Bracket2
01***25Bolt,(Rear Attachment Less)7
01***30Bolt - M8 X 30lg1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover)
01***16Bolt - Seat And Tether Belt Mounting1
01***20Bolt, Wiring Harness Mounting Bracket1
01***20Screw14
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Ripper)
01***16Bolt - Seat And Tether Belt Mounting1
01***20Bolt, Wiring Harness Mounting Bracket1
01***20Screw10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Ripper) (Cab)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Ripper) (Canopy)(#1001-1155)
01***16Bolt5
01***30Bolt2
01***20Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Cover) (For Ripper) (Canopy)(#1156-1499)
01***16Bolt5
01***30Bolt2
01***20Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Horn Switch)
08***00Horn Switch,Ether Starting1
13***00Switch Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Hst P.P.C Piping)(#1001-1200)
01***20Bolt,(For Mono Lever Steering)4
01***32Washer,(With Auto Emergency Steering)4
02***A8Hose? 850mm,Green1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Hst P.P.C Piping)(#1201-1499)
01***20Bolt,(For Mono Lever Steering)4
01***32Washer,(With Auto Emergency Steering)4
02***08Hose,Green2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (Cab)
01***85Bolt,(Used With Pin Puller)11
01***32Washer,(Not Used With Emergency Str.)11
09***12Cap,(With Auto Emergency Steering)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (Canopy)(#1001-1155)
01***25Bolt,(Without Rops Guard? Canopy)4
01***16Bolt5
01***30Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (Canopy)(#1156-1499)
01***25Bolt,(Without Rops Guard? Canopy)4
01***16Bolt5
01***30Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (For Ripper) (Cab)
01***85Bolt,(Used With Pin Puller)11
01***32Washer,(Not Used With Emergency Str.)11
09***12Cap,(With Auto Emergency Steering)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Mount) (For Ripper) (Canopy)
01***25Bolt,(Without Rops Guard? Canopy)4
01***30Bolt,(With Gps Antenna Bracket)12
01***32Washer,(Not Used With Emergency Str.)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (P.P.C Drain)
01***35Bolt,(For Fix Position)2
01***40Screw, Hex Socket2
01***45Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (P.P.C Drain) (For Ripper)
01***35Bolt,(For Fix Position)2
01***40Screw, Hex Socket2
01***45Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (P.P.C Valve)
01***25Bolt,(Rear Attachment Less)8
01***23Washer, Wiring Harness Mounting Bracket8
11***41Plate1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Ripper Control And Ripper P.P.C Piping)
01***20Bolt, Wiring Harness Mounting Bracket4
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering Electrical)
01***16Bolt - Box Mounting2
01***20Bolt, Wiring Harness Mounting Bracket5
01***30Bolt - M8 X 30lg1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering Lock Lever)
01***20Bolt, Wiring Harness Mounting Bracket6
01***35Bolt,(For Fix Position)2
01***25Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering Lock Valve)
01***20Bolt,(Without Air Con. Or Heater)1
01***25Bolt,(Rear Attachment Less)2
01***03Nut, L. H. Thread1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering P.P.C Valve Lock)
01***25Bolt,(Rear Attachment Less)3
01***30Bolt - M8 X 30lg3
01***05Nut,L.H. (For Trimming Dozer)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Steering P.P.C Valve)
01***20Bolt,See Fig. K4010-65a03
01***10Bolt3
01***16Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Wiring)
01***16Bolt - Seat And Tether Belt Mounting2
01***20Bolt,(For Mono Lever Steering)15
01***23Washer, Wiring Harness Mounting Bracket2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Work P.P.C Piping)
01***20Bolt,(For Mono Lever Steering)6
01***12Nut,952
01***32Washer,(With Auto Emergency Steering)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Frame (Work P.P.C Piping) (For Ripper)
01***20Bolt,(For Mono Lever Steering)6
01***32Washer,(With Auto Emergency Steering)6
02***10Hose? 1000mm,Yellow1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Mat (With Cab)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Floor Mat (Without Cab)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Foot Rest
01***20Bolt4
01***32Washer,(Without Gps Antenna Bracket)4
11***33Foot Rest,L.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Fuel Control (1/2)
01***25Bolt,(Rear Attachment Less)1
01***30Bolt - M8 X 30lg2
01***30Bolt,Stopper1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Fuel Control (2/2)
01***20Bolt, Wiring Harness Mounting Bracket3
01***30Bolt - M8 X 30lg2
01***45Bolt,(With Water Separator Type)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Heater
01***20Bolt,(For Mono Lever Steering)8
01***20Bolt,(Without Air Con.)6
01***32Washer,(With Auto Emergency Steering)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Lunch Box Bracket (With Cab)
01***25Screw4
01***23Washer,(Without Air Con.)4
11***40Bracket1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Lunch Box Bracket (Without Cab)
01***30Bolt,(Not Used When Towing Winch)2
01***30Screw2
01***32Washer,(Not Used With Emergency Str.)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Fabric Seat)
01***30Bolt,(Not Used When Towing Winch)4
01***20Bolt4
01***16Washer,(For 35a Alternator)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Fabric Seat) (With Head Rest)
01***30Bolt,(Not Used When Towing Winch)4
01***20Bolt4
01***16Washer,(For 35a Alternator)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Leather Seat)
01***30Bolt,(Not Used When Towing Winch)4
01***20Bolt4
01***16Washer,(For 35a Alternator)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Operator'S Seat (Reclining Type) (Leather Seat) (With Head Rest)
01***30Bolt,(Not Used When Towing Winch)4
01***20Bolt4
01***16Washer,(For 35a Alternator)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Panel (For Cab)
01***20Bolt,(For Mono Lever Steering)2
01***20Bolt2
01***40Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Panel (For Canopy)
01***20Bolt,(For Mono Lever Steering)2
01***20Bolt,(Without Rops Guard? Canopy)2
01***20Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Panel (Vandalism Protection)
01***20Bolt,(For Mono Lever Steering)2
01***20Bolt,(Without Rops Guard? Canopy)2
01***25Bolt,(Without Gps Antenna Bracket)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rear View Mirror
01***20Bolt,(Without Air Con.)4
01***23Washer,(Without Air Con.)4
11***91Bracket2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Air Conditioner Control)
01***14Screw3
01***16Screw8
01***25Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Air Conditioner Control) (For Eu)
01***14Screw3
01***16Screw8
01***25Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Body) (For Eu)(#1189-1499)
01***20Screw4
01***16Screw4
01***23Washer4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Body) (For U.S.A.)(#1001-1188)
09***30Plate? Mark,Mark? Galeo2
11***20Rops Cab Ass'Y,Except Japan1
11***21Rops Cab Ass'Y,Except Japan1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Body) (For U.S.A.)(#1189-1499)
01***20Screw4
01***16Screw4
01***23Washer4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Door) (For Eu)
01***20Screw10
01***16Screw16
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)24
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Door)(#1001-1188)
01***20Screw10
01***16Screw16
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)36
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Door)(#1189-1499)
01***20Screw10
01***16Screw16
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)24
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Duct)
01***12Bolt - M8 - 1.25 X 126
01***25Bolt,(Rear Attachment Less)2
01***16Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Duct) (For Eu)
01***12Bolt - M8 - 1.25 X 126
01***25Bolt,(Rear Attachment Less)2
01***16Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Electrical) (For Eu)
01***25Bolt,(Without Gps Antenna Bracket)6
01***12Screw2
01***14Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Electrical) (For U.S.A.)(#1001-1188)
01***20Bolt,Sems5
01***25Bolt,(Without Gps Antenna Bracket)6
01***12Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Electrical) (For U.S.A.)(#1189-1499)
01***25Bolt,(Without Gps Antenna Bracket)6
01***12Screw2
01***14Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Mount)
01***85Bolt,(Used With Pin Puller)11
01***32Washer,(Not Used With Emergency Str.)11
11***12Rubber4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Nozzle)
01***12Screw4
08***07Conduit1
08***16Conduit1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Open Lock)
01***20Bolt,Sems12
01***25Bolt8
01***05Nut,(For Air Conditioner Less), Nut2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio Less) (For U.S.A.)(#1001-1188)
01***25Screw8
01***14Screw2
01***16Screw8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio Less) (For U.S.A.)(#1189-1499)
01***14Screw2
01***25Screw,8
01***16Screw8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio) (For Eu)
01***14Screw2
01***10Screw4
01***24Screw8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio)(For U.S.A.)(#1001-1188)
01***25Screw8
01***14Screw2
01***10Screw4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Radio)(For U.S.A.)(#1189-1499)
01***14Screw2
01***10Screw4
01***25Screw,8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Roof Lining)
01***12Screw2
01***25Screw4
01***35Screw8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Roof Lining) (For Eu)
01***12Screw2
01***25Screw4
01***14Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Roof Lining)(#1188-1499)
01***12Screw2
01***25Screw4
01***14Bolt - Plate Mounting6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Washer Tank) (For Eu)
01***16Bolt - Box Mounting2
01***25Bolt,(Without Rops Guard? Canopy)2
01***20Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Washer Tank)(#1001-1136)
01***25Bolt,(Without Rops Guard? Canopy)2
01***20Screw2
01***05Nut2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Cab (Washer Tank)(#1137-1499)
01***16Bolt - Box Mounting2
01***25Bolt,(Without Rops Guard? Canopy)2
01***20Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Rops Canopy (For Except Japan)
01***25Bolt,(Without Rops Guard? Canopy)6
01***10Screw4
01***12Screw6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Sash Ass'Y(#1001-1188)
11***01Sash Ass'Y,L.H1
11***90Decal,L.H1
11***01Sash Ass'Y,R.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Sash Ass'Y(#1189-1499)
11***02Sash Ass'Y,L.H1
11***02Sash Ass'Y,R.H1
BJ***28Seal1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Seat Belt
02***44Bolt2
09***01Bolt,(For Shipping)4
09***02Washer,(For Shipping)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Side Floor (For Cab)
01***16Bolt - Seat And Tether Belt Mounting6
01***23Washer, Wiring Harness Mounting Bracket6
11***83Cover,L.H1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Operator'S Compartment And Control System : Side Floor (For Canopy)
01***16Bolt - Seat And Tether Belt Mounting4
01***30Bolt,(Not Used When Towing Winch)3
01***30Bolt, Mounting - Front Hand Rails6
See all parts with full part numbers in Heavy Parts AI →
Power Train And Final Drive
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Power Train And Final Drive : Final Drive (Carrier)
01***35Bolt, Mount Ground Driven Steering Pump12
01***32Washer,(Not Used With Emergency Str.)12
07***34O-Ring,(For 2-Actuater Attachment)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Power Train And Final Drive : Final Drive (Hub)
01***50Capscrew18
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***15Bolt3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Power Train And Final Drive : Final Drive (Mount)
01***65Capscrew - M16 X 2.00 X 9048
01***45Washer,(For Travel Motor) (Not Show)48
(1***2)Final Drive Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Saa4d102e-2a-4 S/N 26277757-Up
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : After Cooler(#26277757-)
61***90Clamp, Hose7
67***10Hose1
67***20Tube1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Air Cleaner(#26277757-)
08***00Indicator, Dust1
12***10Band2
12***20Pin2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Air Connector(#26277757-)
07***08Plug,(Without Auto Priming System)1
67***11Gasket,Air Intake Heater1
67***10Bolt (M8-1.25x80)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Air Intake Cover(#26277757-)
67***10Plug, Pipe (1/2-14 Npt)2
67***60Bolt, Mounting (M8x1.25x25)6
67***30Cover, Intake Manifold1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Air Intake Heater(#26277757-)
67***11Gasket,Air Intake Heater1
67***20Heater, Engine1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Alternator (25a) (Inner Parts)(#26277757-)
60***10Alternator A. (25a)1
KD***57Bearing,Ball? Front1
KD***60Pulley,Non Hardening1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Alternator (25a)(#26277757-)
(6***0)Alternator A. (25a),(See Fig.A601p-02a5)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Alternator (35a) (Shield Alternator) (Inner Parts)(#26277757-)
60***11Alternator A. (35a)1
KD***70Bushing,Insulate1
KD***50Regulator Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Alternator (35a) (Shield Alternator)(#26277757-)
(6***1)Alternator A. (35a),(See Fig.A601p-02a7z)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Alternator Support (For 25a Alternator)(#26277757-)
01***30Bolt,(For Trimming Dozer)1
01***11Nut (Welded)1
01***23Washer,(With Car Heater)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Alternator Support (For 35a Alternator)(#26277757-)
01***30Bolt,(For Trimming Dozer)1
01***40Screw1
01***10Nut,(Without Air Conditioner)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Belt Tensioner (For 25a Alternator)(#26277757-)
67***41Tensioner, Alternator Belt1
67***20Bolt (M10x1.50x70)1
67***20Capscrew, Flat Head (M8-1.25x25)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Belt Tensioner (For 35a Alternator)(#26277757-)
67***41Tensioner, Alternator Belt1
67***20Bolt (M10x1.50x70)1
67***20Capscrew, Flat Head (M8-1.25x25)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Boost Tube(#26277757-)
01***06Nut1
04***08Clip2
07***12Gasket,Injection Pump Piping2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Breather Hose(#26277757-)
07***20Clamp, Spring Hose1
07***48Hose1
67***40Clip1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Camfollower Cover(#26277757-)
01***16Bolt, Mounting Transmission Control Switch4
01***10Washer,(For 35a Alternator)4
67***50Washer, Plain (3/8 Inch)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Camshaft(#26277757-)
67***11Camshaft1
67***20Support, Camshaft Thrust1
67***31Gear, Camshaft1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Caution Plate(#26277757-)
67***10Data Plate1
67***11Data Plate1
67***12Data Plate1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Cooling Fan(#26277757-)
01***50Bolt,(See Fig.A4010-C3w6)4
60***80Fan,Cooling1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Corrosion Resistor (Without Cirrosion Resistor)(#26277757-)
07***12Gasket,(Without Air Compressor Type) (K1)2
07***14Screw, Banjo Connector (M10)1
07***59Clamp,See Fig. K4010-05a02
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Corrosion Resistor(#26277757-) : Unit_02_of_02
07***14Screw, Banjo Connector (M10)2
07***50Hose, Right2
07***97Clamp,(With Pre-Fuel Filter)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Corrosion Resistor(#26277757-) : Unit_01_of_02
01***16Bolt, Mount Solenoid Valve1
07***12Gasket,(Without Air Compressor Type) (K1)4
07***14Screw, Banjo Connector (M10)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Crankshaft(#26277757-)
67***20Crankshaft Ass'Y1
67***50Gear, Crankshaft1
67***11Gear, Crankshaft1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Cylinder Block Blind Cover And Piping(#26277757-)
07***12Gasket,Injection Pump Piping2
67***60Bolt, Mounting (M8-1.25x25)1
67***20Bolt, Flange (M8-1.25x20)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Cylinder Block Gasket Kit(#26277757-)
07***12Gasket,(Without Air Compressor Type) (K2)7
07***12Gasket,(Without Air Compressor Type) (K1)2
07***16Gasket,(For Pc750-6) (See Fig.A2110)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Cylinder Block(#26277757-)
62***10Screw2
62***10Seal, O-Ring (M10-1.00)4
67***30Block Assembly, Cylinder1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Cylinder Head Gasket Kit(#26277757-)
07***12Gasket,(Without Air Compressor Type) (K2)2
07***12Gasket,Injection Pump Piping6
07***12Gasket,(Without Air Compressor Type) (K1)9
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Cylinder Head(#26277757-)
67***10Retainer, Exhaust Valve Spring8
67***11Retainer, Valve Spring8
67***10Head Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Damper
67***20Bolt (M12x1.25x36)4
67***20Damper, Rubber Vibration1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Dust Seal(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Exhaust Manifold Gasket And Bolt(#26277757-)
67***50Bolt8
67***20Gasket, Exhaust Manifold4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Exhaust Manifold(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fan Drive Pulley(#26277757-)
01***30Bolt,(Water Separator Spec.)2
01***40Screw2
06***05Bearing,Ball1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fan Pilot Spacer(#26277757-)
01***55Bolt, Mount Dryer To Bracket And Frame4
67***10Spacer1
67***10Spacer1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fan Pulley(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Flywheel Housing(#26277757-)
61***90Spacer1
63***30Plate1
67***40Cover, Rear1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Flywheel(#26277757-)
67***20Washer, Plain (M12)8
67***30Bolt (M12x1.25x32)8
67***80Gear, Flywheel Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Front Cover
67***40Pin, Timing1
67***50Ring, Retaining1
67***60Screw, Round Head (M5-0.80x17)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Front Gear Train Drive Shaft(#26277757-)
01***55Bolt,(With Joy Stick Steering)2
67***80Gasket, Accessory Drive Cover2
67***30Bearing,Roller1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Filter Piping(#26277757-)
07***12Gasket,Injection Pump Piping2
61***10Clamp,With Thread1
61***20Clamp1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Filter(#26277757-)
01***25Bolt - Relay Mounting2
67***11Filter, Fuel - Secondary1
67***12Cartridge,Fuel1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Injection Pump (Feed Pump) (Inner Parts)(#26277757-)
DK***20Bolt, Joint1
DK***60Feed Pump Ass'Y1
DK***00Valve,Check2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#26277757-)
DK***00Spring1
DK***00Shim? 2.00mm,(High Altitude Spec.)0
DK***00Connector1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#26277757-)
DK***20Lever1
DK***00Gasket1
DK***40Gasket,Air Compressor2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#26277757-)
67***10Injection Pump Ass'Y1
DK***30Bearing0
DK***20Housing1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)(#26277757-)
DK***40Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-00400
DK***90Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-05900
DK***00Sleeve,Control4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Injection Pump Mounting(#26277757-)
01***14Bolt - Fuel Sensor Mounting2
01***11Nut (M14-1.50 Thd), Nut; Was 01582-014111
07***12Gasket,(Without Air Compressor Type) (K2)3
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Injection Pump(#26277757-)
(6***0)Injection Pump Ass'Y,(See Fig.A401p-02g6)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Inlet And Outlet Joint Cap(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Joint(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Lift Pump Mounting(#26277757-)
07***12Gasket,(Without Air Compressor Type) (K1)2
61***10Bolt,Joint (High Altitude Spec.)1
67***10Joint1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Lift Pump(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Fuel Piping(#26277757-)
04***08Clip1
61***80Spacer2
67***20Bolt, Mounting (M8-1.25x16)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Head Cover(#26277757-)
61***10Cap, Oil Filler1
67***30Bolt (M8x1.25x25)3
67***40Bolt (M8-1.25x25)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Heat Shield(#26277757-) : Unit_01_of_02
01***20Bolt,(Forwarded Individually Parts)4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)3
01***35Bolt, Mount Bracket To Floor1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Heat Shield(#26277757-) : Unit_02_of_02
01***20Bolt,(Forwarded Individually Parts)4
01***16Bolt - Starting Motor Ground Cable2
62***60Distance Piece2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Heater Switch
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Heater Valve And Adapter(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Injection Nozzle(#26277757-)
67***50Seal, Rectangular Ring1
67***60Gasket,Injector - Spill2
67***10Shim 1.00 mm Thick1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Lifting Bracket(#26277757-)
01***30Bolt, Mounting - Front Hand Rails2
01***32Washer,(With Auto Emergency Steering)2
67***70Bracket1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Muffler(#26277757-26291398)
01***12Bolt,(With Speedometer)1
01***16Bolt, Mount Solenoid Valve1
01***35Bolt,R.H. (For Add. Air Compressor)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Muffler(#26291399-)
01***12Bolt,(With Speedometer)1
01***16Bolt, Mount Solenoid Valve1
01***35Bolt,R.H. (For Add. Air Compressor)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Oil Cooler And Oil Filter(#26277757-)
67***51Valve, Pressure Relief1
67***30Plug, Pipe (1/8 Nptf)1
67***20O-Ring,Oil Pressure Plug1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Oil Level Gauge(#26277757-)
01***16Bolt, Mount Solenoid Valve1
01***06Nut1
04***08Clip1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Oil Pan And Suction Tube(#26277757-)
07***16Gasket,(For Pc750-6) (See Fig.A2110)2
09***50Liquid Gasket, Lg-7, 150g0
62***80Plug,Drain2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Oil Pan Bolt(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Oil Pressure Switch(#26277757-)
08***05Switch,Engine Oil Pressure1
62***10Seal, O-Ring (M10-1.00)1
67***70Adaptor1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Oil Pump(#26277757-)
67***12Pump, Lubricating Oil1
67***20Bolt (M8x1.25x30)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Piston
67***10Pin, Piston4
67***20Ring, Retaining8
67***01Engine Connecting Rod Assembly4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Repair Parts (1/4) (Cylinder Head)(#26277757-)
67***51Gasket, Cylinder Head1
67***51Gasket, Cylinder Head1
67***10Guide, Valve Stem - Intake/Exhaust (Thin Wall)8
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Repair Parts (2/4) (Cylinder Block)(#26277757-)
67***10Bushing, Oversize (No. 1 Bore)1
67***20Bushing, Oversize (No. 2-5 Bore)1
67***10Sleeve, Salvage - Std Bore4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Repair Parts (3/4) (Crankshaft)(#26277757-)
67***00Main Metal Ass'Y4
67***00Main Metal Ass'Y4
67***00Main Metal Ass'Y4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Repair Parts (4/4) (Piston)(#26277757-)
67***00Bearing, Connecting Rod (1.00mm Oversize)8
67***00Bearing, Connecting Rod (0.75mm Oversize)8
67***00Bearing, Connecting Rod (0.50mm Oversize)8
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Rocker Arm(#26277757-)
67***70Screw, Slotted Set (3/8-24x1 1/2 Inch)2
67***40Bolt4
67***11Rod, Push8
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Spare Parts(#26277757-)
07***16Gasket,(For Pc750-6) (See Fig.A2110)2
67***11Gasket,Air Intake Heater1
67***81Gasket, Valve Cover4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Starting Motor (4.5kw) (Inner Parts)(#26277757-26291398)
60***10Starting Motor Ass'Y,(4.5kw)1
ND***82Yoke Assembly1
ND***00Washer, Felt1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Starting Motor (4.5kw)(#26277757-26291398)
(6***0)Starting Motor Ass'Y,(4.5kw) (See Fig.A621p-02a2)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-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
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Starting Motor (5.5kw) (Inner Parts)
60***10Starting Motor Ass'Y,(See Fig.A621p-02a1)1
60***11Starting Motor Ass'Y,(5.5kw)1
ND***80Holder Ass'Y,Brush1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Starting Motor Mounting (4.5kw)(#26277757-26291398)
01***35Bolt, Mount Bracket To Floor2
67***11Gasket,Starter1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Starting Motor Mounting (5.5kw)
01***35Bolt, Mount Bracket To Floor2
01***08Nut,See Fig. K4010-04a01
67***11Gasket,Starter1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Stop Solenoid(#26277757-)
01***03Nut, L. H. Thread1
01***05Nut (Welded)2
01***06Nut1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Tachometer Drive Cover(#26277757-)
67***90Cover, Mechanical Tach Drive1
67***20Seal, Rectangular Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Tappet(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Thermostat Housing(#26277757-)
67***40Bolt, (M8x1.25x35)1
67***70Coupling, Plain Hose1
67***80Bolt (M8-1.25x70)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Thermostat(#26274903-26295863)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Thermostat(#26295864-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Turbocharger Mounting(#26277757-)
01***25Stud4
62***50Nut4
67***50Gasket,Turbocharger Oil Drain1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Turbocharger Oil Piping(#26277757-)
67***70Washer,Turbocharger Oil Supply1
67***30O-Ring,Turbocharger Drain2
67***50Gasket,Turbocharger Oil Drain1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Under Plate(#26277757-)
67***50Plate, Cylinder Block Stiffener1
(0***0)Liquid Gasket, Lg-7, 150g0
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Water Connector Plug(#26277757-)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Water Connector(#26277757-)
67***20Bolt (M10-1.50x75)3
67***30Seal,Water Inlet Connection1
67***61Connector1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Water Pump(#26277757-)
67***01Water Pump Ass'Y1
67***02Water Pump Ass'Y1
67***01Kit, Water Pump1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Saa4d102e-2a-4 S/N 26277757-Up : Water Temperature Sensor(#26277757-)
11***81Thermo Sensor,Water Temperature1
56***12Adapter,Water Temperature Gauge1
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Service Kit And Component Parts
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Angle Cylinder
04***25Ring, Snap4
07***80O-Ring (Kit)1
07***85O-Ring,(For Snow Removing)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Automatic Shift Change Valve
01***20Screw1
01***08Nut,(For Canvas Canopy?Head Guard)1
07***09O-Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (1/6)
01***45Screw4
01***23Washer,(For Shipping)8
07***07O-Ring - (K10)3
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (2/6)
01***40Screw8
01***50Screw2
07***23O-Ring; Was 07002-10823, O-Ring,(Not Shown)3
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (3/6)
07***14O-Ring,(F4350-61a0a-20 )1
07***23O-Ring,(F4350-66a1 -1c )2
07***23O-Ring,(For 2nd Travel Speed) (Op)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (4/6)
07***07O-Ring - (K10)1
07***09O-Ring,(For Dual Tilt Dozer)1
07***07Ring,Back-Up1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (5/6)
70***10O-Ring (Kit)1
70***20Ring, Back-Up1
70***90O-Ring,Suction1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (3-Spool) (6/6)
02***08O-Ring (Kit)1
04***15Bolt,Eye2
07***24O-Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (1/6) (For Ripper)
01***80Capscrew4
01***23Washer,(For Shipping)8
07***07O-Ring - (K10)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (2/6) (For Ripper)
01***40Screw12
01***50Screw2
07***23O-Ring; Was 07002-10823, O-Ring,(Not Shown)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (3/6) (For Ripper)
07***14O-Ring,(F4350-61a0a-20 )1
07***23O-Ring,(F4350-66a1 -1c )4
07***23O-Ring,(For 2nd Travel Speed) (Op)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (4/6) (For Ripper)
07***07O-Ring - (K10)1
07***09O-Ring,(For Dual Tilt Dozer)1
07***07Ring,Back-Up1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (5/6) (For Ripper)
70***10O-Ring (Kit)1
70***20Ring, Back-Up1
70***90O-Ring,Suction1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Control Valve (4-Spool) (6/6) (For Ripper)
02***08O-Ring (Kit)1
04***15Bolt,Eye2
07***24O-Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (1/13)
01***25Bolt,(For Canvas Canopy?Head Guard)4
07***80O-Ring1
07***28O-Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (10/13)
07***23O-Ring,(F3320-65a0 -34 )1
07***34O-Ring,(F2370-57a0 -42 )1
70***40Nut1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (11/13)
01***11Nut - Mounting1
07***11O-Ring1
07***23O-Ring,(F3320-65a0 -34 )1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (12/13)
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
07***06O-Ring1
07***24O-Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (13/13)
01***20Bolt1
01***40Bolt1
07***15O-Ring3
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (2/13)
01***08Nut (Op)2
01***45Washer,(For Quick Shift) (Mitsubishi)2
04***25Ring,Snap1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (3/13)
07***09O-Ring2
(****3)Plate,Valve1
(7***1)Pump Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (4/13)
01***30Bolt8
(****5)O-Ring2
(7***1)Pump Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (5/13)
01***25Bolt,(For Canvas Canopy?Head Guard)4
07***80O-Ring1
07***28O-Ring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (6/13)
07***09O-Ring2
(7***1)Pump Ass'Y1
(****0)Piston Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (7/13)
01***30Bolt8
02***10Elbow2
02***08O-Ring2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (8/13)
01***85Bolt, Divider Valve Mounting4
01***40Bolt1
07***45O-Ring2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hst Pump (9/13)
07***23O-Ring,(F3320-66a2 -26 )1
07***34O-Ring,(F2370-57a0 -42 )2
70***50Plug1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Hydraulic Pump
01***32Washer, (Without Emergency Steering)4
04***24Pin,Dowel (For No.3 Housing)4
04***18Ring, Retaining1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Inching Valve
01***10Bolt1
04***14Pin, Dowel1
04***12Pin, Spring1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Lift Cylinder
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***32Washer,(With Auto Emergency Steering)1
02***12O-Ring,(F2370-57a0 -49 )3
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (1/4)
70***91Pilot Valve1
70***92Pilot Valve1
70***40Shim - 0.012 In. (0.30 mm)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (2/4)
07***20O-Ring,(0202-007)1
70***40Shim - 0.012 In. (0.30 mm)2
70***70Gasket2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (3/4)
07***20O-Ring,(0202-007)2
70***40Shim - 0.012 In. (0.30 mm)2
70***70Gasket2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (4/4)
01***10Bolt2
07***70O-Ring (Kit)1
70***80O-Ring2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (For Steering)(#1001-1200)
01***12Bolt4
01***40Screw2
70***81Pilot Valve1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Ppc Valve (For Steering)(#1201-1499)
01***12Bolt4
01***80Bolt2
07***10O-Ring5
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Ripper Cylinder
02***15Elbow1
02***09O-Ring,(F4350-61a0 -41 )2
07***85O-Ring,(For Snow Removing)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Rubber Antenna
36***61Rubber Antenna1
EP***03Spring Washer2
EP***01Wing Bolt1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Rubber Antenna (For Eu)
19***10Rubber Antenna,(See Fig. Y1062-01a0)1
EP***03Spring Washer2
EP***01Wing Bolt1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Shoe Bolt And Nut Service Kit
20***20Nut,Shoe (Y0320-K2)50
20***11Shoe Bolt And Nut K.,(For Single)1
20***21Bolt? Shoe (Y0320-K3)50
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Tilt Cylinder
04***25Ring, Snap4
07***85O-Ring,(For Snow Removing)1
07***90O-Ring,(Y1620-41a0a-11)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Track Link (Lubricate Type) (For Single Grouser) (Supply Parts)
07***30Plug,(Large)78
07***21Plug,(Small)78
11***00Track Link Ass'Y,635s Wb441
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Track Link (Lubricate Type) (For Single Grouser) (Supply Parts) (Abrasive Resistant Type)
07***30Plug,(Large)78
07***21Plug,(Small)78
11***00Track Link Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (1/3) (L.H.)
(****0)O-Ring1
(****0)Screw1
(****0)Pin1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (1/3) (R.H.)
(****0)O-Ring1
(****0)Screw1
(****0)Pin1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (2/3) (L.H.)
(****3)Valve Ass'Y,Relief1
(****0)O-Ring12
(****0)Valve Sub Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (2/3) (R.H.)
(****1)Motor Ass'Y1
(****3)Valve Ass'Y,Relief1
(****0)O-Ring12
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (3/3) (L.H.)
(****1)Spring6
(****0)O-Ring1
(****0)Piston Sub Ass'Y7
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Service Kit And Component Parts : Travel Motor (3/3) (R.H.)
(****1)Spring6
(****0)O-Ring1
(****0)Piston Sub Ass'Y7
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Under Carriage
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Carrier Roller
01***30Bolt - Pin Mounting1
01***70Bolt,(With Wear Guard)4
01***45Washer,(For Travel Motor) (Not Show)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Front Idler
01***40Bolt,(For Slag Handling) (For Usa)16
01***13Nut,(See Fig.337)4
01***45Washer,(For Travel Motor) (Not Show)20
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Idler Cushion
01***30Bolt - M8 X 30lg8
01***80Screw12
01***23Washer, Wiring Harness Mounting Bracket8
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Roller Guard
01***35Bolt,(With Rops)10
01***45Bolt,(For 60ton Dump Body)4
01***50Bolt,(For D60pl)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Roller Guard (Full Guard)
01***30Bolt,(Not Used When Towing Winch)16
01***35Bolt,(With Rops)26
01***45Bolt,(For 60ton Dump Body)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Frame Cover
01***25Bolt,(Without Rops Guard? Canopy)12
01***30Bolt,(Not Used When Towing Winch)2
01***35Bolt, Mount Ground Driven Steering Pump4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Frame Cover (1/2) (For Ripper)
01***25Bolt,(Without Rops Guard? Canopy)10
01***35Bolt, Mount Ground Driven Steering Pump4
01***75Bolt (Kit)10
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Frame Cover (2/2) (For Ripper)
01***25Bolt,(Without Rops Guard? Canopy)8
01***30Bolt,(Not Used When Towing Winch)4
01***35Bolt, Mount Ground Driven Steering Pump4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Roller
01***75Capscrew48
01***45Washer,(For Travel Motor) (Not Show)48
04***16Pin,(Dowel)4
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (460mm Wide)
07***30Plug,(Large)78
07***21Plug,(Small)78
11***00Track Shoe Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (460mm Wide) (Abrasive Resistant Type)
07***30Plug,(Large)78
07***21Plug,(Small)78
11***00Track Shoe Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (510mm Wide)
07***30Plug,(Large)78
07***21Plug,(Small)78
11***10Track Shoe Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (510mm Wide) (Abrasive Resistant Type)
07***30Plug,(Large)78
07***21Plug,(Small)78
11***20Track Shoe Ass'Y1
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Work Equipment
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Angle Cylinder (For Pat)
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Blade (For Power Angle Power Tilt Dozer)
01***30Bolt,(Not Used When Towing Winch)3
01***32Washer,(Not Used With Emergency Str.)3
02***55Bolt (Only For Bucket With Cutting Edge)21
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Blade Lift Cylinder (For Pat)
(7***0)Cylinder Group,R.H1
(7***0)Cylinder Group,L.H1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Dozer Frame (Frame) (For Pat)
01***30Bolt,(Not Used When Towing Winch)4
01***90Bolt (Kit)2
01***00Bolt (Op)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Dozer Frame (Lift Cylinder Lock) (For Pat)(#1001-1143)
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108068
01***25Washer,Spring?For Additional Rear Lam8
10***10Rope,Wire2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Dozer Oil Line (Angle Cylinder Line) (For Pat)
01***20Bolt,(For Mono Lever Steering)5
01***55Bolt,(See Service News)6
01***32Washer,(With Auto Emergency Steering)11
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Dozer Oil Line (Cover)
01***20Bolt,(For Mono Lever Steering)28
01***70Bolt - Bracket And Oil Inlet Tubemounting2
01***32Washer,(With Auto Emergency Steering)30
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Drawbar
01***55Bolt,(Without Rops)4
01***60Flat Washer - M20 (Hardened)4
04***12Pin,Cotter (For Ripper)1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Drawbar (For Ripper)
01***60Bolt,Rear2
01***60Flat Washer - M20 (Hardened)2
11***20Hitch Ass'Y1
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Link (Cylinder Pin) (For Pat)
01***25Bolt,(For Canvas Canopy?Head Guard)18
01***95Screw2
01***32Washer,(With Auto Emergency Steering)18
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Ripper
01***25Bolt,(For Canvas Canopy?Head Guard)5
01***30Bolt,(Not Used When Towing Winch)4
01***60Bolt,Rear10
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Ripper Cylinder
Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Swing Drawbar
01***30Bolt,(Not Used When Towing Winch)2
01***55Bolt,(Without Rops)16
01***32Washer,(Not Used With Emergency Str.)2
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Komatsu : D39ex-21(S/N 1001-1499-Up (Overseas Version)) : Work Equipment : Tilt Cylinder (For Pat)

D39EX-21(S/N 1001-1499-UP (Overseas Version)) serial number reference

The Product Identification Number (PIN) or machine serial number plate is located at the front bottom right of the operator's seat. The design of the nameplate may differ according to the territory. For machines without a cab, the manual storage location is the pocket at the rear of the operator's seat.

PrefixIdentifies
D39D39EX-21 (Overseas Version)

Frequently asked questions

What engine is installed in the D39EX-21?

The machine is powered by a Komatsu SAA4D102E-2 turbocharged and air-to-air aftercooled diesel engine.

What is the operating weight of this model?

The standard operating weight for the D39EX-21 is 8518.5 kg (18780 lb).

What machine replaced the D39EX-21?

Information regarding a direct successor is not documented in the provided technical literature.

What D39EX-21(S/N 1001-1499-UP (Overseas Version)) owners discuss

What are the primary engine specifications for the Komatsu D39EX-21 (S/N 1001-1499-UP)?
The machine is powered by a Komatsu SAA4D102E-2 engine. It features a turbocharged and air-to-air aftercooled configuration with a displacement of 240 cu in (3932.9 cc). The net power output is 95 HP (70.8 kW) at 2,200 rpm.
What hydraulic and transmission behaviors are characteristic of the KomSTAT II system on this model?
The D39EX-21 utilizes a dual path, hydrostatic transmission (KomSTAT II). This system provides palm control for speed through 3 forward and 3 reverse gears. It also enables power steering via PPC valve control.
What are the standard undercarriage and ground pressure specifications?
The machine features an 18 in (45.7 cm) shoe size with 39 shoes per side and 6 track rollers per side. The track pitch is 65 in (165.1 cm). Ground pressure is rated at approximately 0.4 bar (5.55 to 5.6 psi).
What are the critical fluid capacities for routine maintenance?
Key capacities include: Engine oil: 3.3 gal (12.5 L); Cooling system: 8.5 gal (32.2 L); Hydraulic tank: 11.6 gal (44 L); Fuel tank: 43.6 gal (165 L); and Final drives: 0.9 gal (3.4 L).
What maintenance tasks are required during the 2000-hour service interval?
The 2000-hour maintenance procedure requires changing the hydraulic tank oil, replacing the oil filter cartridge, and cleaning the suction strainer.
What should be checked when purchasing a used D39EX-21 (S/N 1001-1499-UP)?
Verify telematics history to check for hour-meter rollbacks; any discrepancy greater than ~50 hours between logs and the dashboard meter is a red flag. Additionally, cross-check the chassis-stamped serial number against the riveted plate on the front frame casting 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.

Need a specific D39EX-21(S/N 1001-1499-UP (Overseas Version)) part?

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