Komatsu D31S-18(S/N 40001-UP)
Komatsubulldozersmall ( - d39)

Komatsu D31S-18(S/N 40001-UP)

Maintenance schedule, common problems & OEM parts breakdown

The Komatsu D31S-18 (S/N 40001-UP) is a compact crawler bulldozer designed for utility and light construction applications. This machine belongs to the D31 series, featuring a Komatsu 6D95L engine providing 52 kW (69.7 hp) of net power. Operating within a weight class of approximately 6,670 kg (14,705 lb), it is engineered for maneuverability in tight spaces. The series includes various configurations such as the D31E, D3::P, and D/Q variants, often differentiated by track width or blade type.

The -18 generation represents a specific production era (1989–1996) characterized by reliable mechanical simplicity before the widespread adoption of advanced telematics. In today's used equipment market, this series remains significant due to its robust Komatsu 6D95L powertrain and the availability of high-quality aftermarket components. Maintenance of the undercarriage and hydraulic control systems is critical for preserving resale value and operational uptime in modern utility fleets.

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 D31S-18(S/N 40001-UP) specifications

Engine

ModelKomatsu 6D95L
Type6-cylinder
Net Power52 kW (69.7 hp)
Gross Power53 kW (71 hp)
Displacement4.89 L (1.29 US gal)
Cylinder Bore × Stroke95 × 115 mm
Maximum Torque261 Nm (193 lb-ft)
Engine Speed at Max Torque2,350 rpm

Weights

Operating Weight6,670 kg (14,705 lb) to 6,700 kg (14,771 lb)

Dimensions

Transport Length4.09 m (13.4 ft)
Transport Width1.91 m (6.25 ft)
Transport Height2.54 m (8.33 ft)
Width Over Tracks2.05 m (6.73 ft)
Track Width330 mm (13 in)
Ground Clearance380 mm (1.25 ft)
Length of Track on Ground2.19 m (7.19 ft)

Performance

Travel Speed6.5 km/h (4.04 mph) to 7 km/h
Soil Pressure0.54 kg/cm²

Undercarriage

Track Gauge1,450 mm (4.76 ft)
Standard Shoe Size600 mm (23.63 in)
Track Pitch154 mm (6.07 in)
Number of Shoes Per Side41
Number of Track Rollers Per Side6

Blades

Standard Blade Width2,440 mm (8.1 ft)
Standard Blade Height790 mm (31.2 in)

Service Capacities & Maintenance

Initial Service Interval250 hours
Recurring Service Intervals250, 500, 1,000, 2,000, and 4,000 hours

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

D31S-18(S/N 40001-UP) fluids & capacities

SystemCapacityRecommended fluid
Engine Crankcase (w/ filter)not specifiednot/not specified
Cooling Systemnot specifiednot/not specified
Fuel Tanknot specifiednot/not specified
Transmission/Powertrain (powershift transmission + bevel gear/steering compartments)not specifiednot/not specified
Final Drives (each)not specifiednot/not specified
Hydraulic System/Tanknot specifiednot/not specified
Pivot Shaftnot specifiednot/not specified
Greasenot specifiednot/not specified

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Komatsu D31S-18(S/N 40001-UP) maintenance schedule

Service intervalTasks
Every 10 h
  • Check oil filler and level gauge positions
  • Inspect machine for leaks
  • Check fluid levels before starting
Every 50 h
  • Perform routine inspection
  • Verify all critical fluid levels
Every 250 h
  • Perform initial break-in oil and filter change (one-time only)
  • Execute recurring service interval tasks
  • Inspect machine components
Every 500 h
  • Complete scheduled maintenance inspection
  • Check system integrity
  • Verify component wear
Every 1,000 h
  • Execute major service interval
  • Inspect hydraulic and engine systems
  • Review undercarriage condition
Every 2,000 h
  • Perform comprehensive service check
  • Evaluate powertrain performance
  • Inspect electrical system integrity
Every 4,000 h
  • Execute long-term maintenance milestone
  • Conduct deep system inspection
  • Verify structural component health

Servicing the D31S-18(S/N 40001-UP) beyond the schedule

Predictive Maintenance & Fluid Analysis

Monitor the Komatsu 6D95L engine via regular oil sampling to detect internal wear. Regularly check the oil filler and level gauge positions to prevent low-pressure events. For the hydraulic system, analyze fluid clarity to identify contamination early. Maintaining correct levels of engine oil and transmission fluids prevents airlock issues in the pump, a known failure point in older Komatsu series.

Corrective & Common Repairs

Address steering difficulties by inspecting steering clutches and brakes for proper engagement. If the machine experiences loss of power on one side, check transmission fluid levels immediately, as low levels can cause sudden drops in drive capability. Watch for shaft seal failures in the transmission pump, which may allow air to enter the system, causing erratic hydraulic or drivetrain behavior.

Overhaul & Rebuild Points

Plan major overhauls around the engine and power train components. Critical rebuild points include cylinder head replacement, crankshaft inspection, and turbocharger servicing. For the undercarriage, monitor track shoe wear and idler/roller condition to determine when a full undercarriage replacement is necessary. Rebuilding the hydraulic control system or replacing worn pump internals is essential for restoring factory-spec digging force.

Seasonal & Environment Servicing

In dusty environments, prioritize frequent cleaning of the radiator and oil coolers to prevent engine overheating. During cold weather operations, ensure all hydraulic fluids meet appropriate viscosity requirements for the climate. Inspect the undercarriage for debris buildup in the rollers and idlers after working in muddy or heavy clay conditions to prevent premature component seizure and track tension issues.

D31S-18(S/N 40001-UP) common service parts

Part numberPart
09637-30161Plate? Instruction,Air Cleaner (Single Element)Check fitment →
09637-30262Plate? Instruction,Air Cleaner (Double Element)Check fitment →
07000-02135O-Ring,Hydraulic Oil FilterCheck fitment →
07000-02080O-Ring,Hydraulic Oil FilterCheck fitment →
600-211-6240Cartridge,Engine Oil Filter (D31s)Check fitment →

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

D31S-18(S/N 40001-UP) fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
E10Engine controller power malfunctionFaulty ECM power connections, blown fuses, or defective ground wiresInspect ECM power connections, fuses, and ground wires
E11Engine protection active—output power reducedHigh coolant temperature, low oil pressure, or restricted air filterCheck coolant temperature, engine oil pressure, and air filter condition
CA115Engine crankshaft speed sensor failureBroken sensor, wiring harness damage, or connector corrosionReplace the speed sensor and verify voltage at the pin connector
CA451 / CA452Common rail pressure errorMalfunctioning fuel rail pressure sensor or issues within the pump linesDiagnose the fuel rail pressure sensor and inspect fuel pump lines
CA553 / CA559Fuel pressure high or lowMalfunction in the fuel pump regulator (IMV/PCV)Evaluate the fuel pump regulator (IMV/PCV) functionality
DW43KA / DW43KBTravel speed solenoid open or short circuitElectrical short or open circuit in the travel speed control solenoidReplace the solenoid valve
DXA8KA / DXA8KBFront pump EPC solenoid valve circuit faultWire chafing or electrical short in the solenoid circuitInspect the wiring harness for chafing or shorts
B@BCZKCoolant level too lowSystem leak or insufficient coolant replenishmentFill coolant reservoir and inspect system for leaks

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

D31S-18(S/N 40001-UP) attachments & work tools

Blades

Standard configuration includes a basic blade. Tilt device is not included in the standard factory specification.

Rippers

Rear ripper is not part of the standard configuration. A multi-shank parallelogram-style ripper with 2 cylinders and Komatsu mounting brackets is compatible with the D31 series.

Winches

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

Drawbars/counterweights

Not specified in available technical documentation.

Cab/ROPS guarding options

Standard configuration features a ROPS cabin. Air conditioning is not included as standard equipment.

Hydraulic arrangement notes

Work equipment control lever for ripper applications is available with noise suppression for EC configurations. Diesel particulate filter is not included in the standard configuration.

All D31S-18(S/N 40001-UP) assemblies by section

Every catalogued assembly group for the Komatsu D31S-18(S/N 40001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

6d95l-1aa S/N 29222-Up
Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Air Cleaner And Connection
04***10Ring,See Fig. K4010-65a01
07***09Clamp,(With Cylinder Cover)2
09***62Plate? Instruction,(English-Russian)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Air Cleaner And Connection (For Zimbabwe)
04***10Ring,See Fig. K4010-65a01
07***09Clamp,(With Cylinder Cover)2
60***11Washer,Seal (K26)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Air Cleaner And Connection (High Altitude Spec.)
01***20Bolt,(For Japan Pc200)4
04***10Ring,See Fig. K4010-65a01
07***09Clamp, Hose - At Water Pump1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Air Intake Manifold And Connection (For Zimbabwe)
01***12Bolt2
01***20Bolt,(For Japan Pc200)2
01***25Bolt,(With Corrosion Resistor)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Air Intake Manifold And Connection (High Altitude Spec.)
01***12Bolt2
01***20Bolt,(For Japan Pc200)2
01***25Bolt,(With Corrosion Resistor)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Air Intake Manifold And Connection(#29222-40631)
01***10Bolt (M10x1.50x10)4
01***12Bolt2
01***20Bolt,(For Japan Pc200)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Air Intake Manifold And Connection(#40632-)
01***10Bolt (M10x1.50x10)4
01***12Bolt2
01***20Bolt,(For Japan Pc200)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Alternator (13a)
60***71Alternator A. (13a),(With Hardening Pulley)1
KD***31Bushing,Insulator2
KD***80Packing1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Alternator (15a)
60***50Alternator A. (15a)1
KD***70Cover1
KD***30Retainer1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Alternator (25a) (High Altitude Spec.)
60***40Alternator A. (25a)1
KD***57Bearing,Ball? Front1
KD***11Rear Bracket Ass'Y1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Alternator And Mounting (13a) (For Zimbabwe)
01***50Bolt1
01***40Bolt,(Shim 3-Piece)1
01***20Bolt,(For Japan Pc200)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Alternator And Mounting (15a)
01***35Screw1
01***55Bolt1
01***06Nut1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Alternator And Mounting (25a) (High Altitude Spec.)
01***50Bolt1
01***16Bolt, Mount Solenoid Valve1
01***40Bolt,(Shim 3-Piece)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Camshaft And Tappet
01***75Bolt1
04***10Pin,Dowel1
62***10Tappet12
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Crankshaft
01***45Bolt,Nylock1
01***16Bolt,(With Alternator Cover Type)6
61***11Bolt,Nylock (K2)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Cylinder Block
01***45Bolt,(For Power Tilt Mech Angle)6
01***55Bolt, Mount Tube To Switch Pump5
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Cylinder Block (High Altitude Spec.)
01***45Bolt,(For Power Tilt Mech Angle)6
01***55Bolt, Mount Tube To Switch Pump5
01***16Screw4
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Cylinder Head
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)4
01***32Washer, (Without Emergency Steering)25
02***04Plug, Pipe1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Cylinder Head (High Altitude Spec.)
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)4
01***32Washer, (Without Emergency Steering)25
02***04Plug, Pipe1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Cylinder Head Cover
07***09Clamp,(See Fig. K0210-16a0)2
61***10Cap, Oil Filler1
61***30Tube, Oil Filler1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Cylinder Head Cover (High Altitude Spec.)
01***20Bolt,(For Japan Pc200)1
04***50Screw4
07***09Clamp,(See Fig. K0210-16a0)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Exhaust Manifold And Muffler
01***25Grub Screw4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***45Bolt, Bracket Mounting12
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Exhaust Manifold And Turbocharger (High Altitude Spec.)
01***25Grub Screw4
01***90Bolt,(For Large Fan)12
07***08Plug,(For W/O. Corrosion Resistor)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Flywheel And Flywheel Housing
01***45Bolt,(For Suction? Reversible Fan)2
01***40Bolt,(With Service Valve R.H.)6
01***30Bolt6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Front Cover And Gear
01***75Bolt - Cab To Rops1
01***10Bolt1
01***16Bolt2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Filter And Piping
01***20Bolt2
07***12Gasket,Mechanical Pump Piping1
07***12Gasket,(Without Air Compressor Type) (K1)4
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Filter And Piping (For Zimbabwe)
01***10Bolt2
07***12Gasket,Mechanical Pump Piping1
07***12Gasket,(Without Air Compressor Type) (K1)4
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Filter And Piping (High Altitude Spec.) (Without Water Separator)
01***00Bolt2
07***12Gasket,Mechanical Pump Piping1
07***12Gasket,(Without Air Compressor Type) (K1)4
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Feed Pump)
DK***20Bolt, Joint1
DK***00Valve,Check2
DK***10Feed Pump Ass'Y,(Not Shown)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Feed Pump) (High Altitude Spec.)
DK***20Bolt, Joint1
DK***00Valve,Check2
DK***10Feed Pump Ass'Y,(Not Shown)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Governor) (1/2)
DK***00Shim? 2.00mm,(High Altitude Spec.)0
DK***00Adapter1
DK***80Nut1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Governor) (1/2) (High Altitude Spec.)
DK***00Shim? 2.00mm,(High Altitude Spec.)0
DK***00Adapter1
DK***80Nut1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Governor) (2/2)
DK***40Gasket,Air Compressor2
DK***00Nut,Cap1
DK***20Cover1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Governor) (2/2) (High Altitude Spec.)
DK***40Gasket,Air Compressor2
DK***00Nut,Cap1
DK***20Cover1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Pump) (1/2)
62***50Injection Pump Ass'Y1
62***51Injection Pump Ass'Y1
DK***30Key,Woodruff1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Pump) (1/2) (High Altitude Spec.)
62***50Injection Pump Ass'Y1
62***51Injection Pump Ass'Y1
DK***30Key,Woodruff1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Pump) (2/2)
DK***40Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-00400
DK***90Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-05900
DK***00Sleeve,Control6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump (Pump) (2/2) (High Altitude Spec.)
DK***40Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-00400
DK***90Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-05900
DK***00Sleeve,Control6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Injection Pump And Piping
01***35Stud4
01***25Screw4
01***12Bolt,(See Fig.0501)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Fuel Nozzle And Spill Pipe
01***35Bolt, Mount Bracket To Floor6
07***10Tube,(See Fig.0421-14)5
07***50Tube,Spill1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Gasket Kit
01***12Washer,Lock? Injection Gear1
07***05O-Ring,(Not Used With Emergency Str.) (K2)3
07***35O-Ring,Hydraulic Oil Filter1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Gasket Kit (High Altitude Spec.)
01***12Washer,Lock? Injection Gear1
07***05O-Ring,(Not Used With Emergency Str.) (K2)3
07***35O-Ring,Hydraulic Oil Filter1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Lubricating Oil Filter
60***40Cartridge,Engine Oil Filter (D31s)1
60***41Cartridge,Engine Oil Filter (D31s)1
60***50Plate? Caution,(Russian-English)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Lubricating Oil Pump And Suction Pipe
01***12Bolt,(See Fig.0501)1
01***16Screw6
01***25Bolt,(With Corrosion Resistor)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Lubricating Oil Pump And Suction Pipe (High Altitude Spec.)
01***12Bolt,(See Fig.0501)1
01***16Screw4
01***30Bolt,(Water Separator Spec.)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Muffler And Mounting (High Altitude Spec.)
01***80Bolt, Mount Strainer Flange1
01***25Bolt, Mount Engine Oil Drain To Fuel Tank1
01***12Bolt,(See Fig.0501)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Oil Pan
01***14Bolt,(W/Joy Stick Str.)(W/O Heater)30
01***14Bolt30
07***16Gasket,(For Pc750-6) (See Fig.A2110)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Piston And Connecting Rod
04***12Ring, Snap12
62***21Piston (S)6
62***00Piston Ring Ass'Y,Per Cylinder6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Rocker Arm
01***12Bolt,(Without R.P.C.U.)1
01***65Bolt,(For Alternator Bracket Mount)8
61***30Nut12
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Starting Motor (5.5kw)
60***50Starting Motor Ass'Y,(5.5kw)1
KD***30Bracket,Center1
KD***20Cneter Bracket A1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Starting Motor And Mounting (5.5kw)
01***30Bolt2
07***05O-Ring,(Not Used With Emergency Str.) (K2)1
(6***0)Starting Motor Ass'Y,(5.5kw) (See Fig.A6210-B0a5)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Tension Pulley (For Zimbabwe)
01***12Bolt4
01***25Bolt,(With Corrosion Resistor)1
01***55Bolt1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Tension Pulley (High Altitude Spec.) (Without Water Separator)
01***65Bolt, Mount Tube To Divider Valve1
01***20Bolt,(For Japan Pc200)1
01***06Nut1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Turbocharger (High Altitude Spec.)
62***20Turbocharger Ass'Y1
GA***16Bolt6
GA***64Housing,Turbine1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Turbocharger Lubricating Oil Piping (High Altitude Spec.)
01***16Screw1
01***20Screw4
01***06Nut1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Water Pump And Cooling Fan
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***16Screw5
01***20Screw2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Water Pump And Cooling Fan (For Cuba)(#40632-)
01***16Screw5
01***20Screw2
01***45Bolt6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Water Pump And Cooling Fan (High Altitude Spec.)
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***16Screw5
01***20Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Water Separator And Piping
01***25Bolt,(With Corrosion Resistor)2
01***10Bolt2
07***60O-Ring,(For Pc750?800?1800) (A2610)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Water Separator And Piping (15a Alternator High Altitude Spec.)
01***25Bolt,(With Corrosion Resistor)2
01***10Bolt2
07***60O-Ring,(For Pc750?800?1800) (A2610)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa S/N 29222-Up : Water Separator And Piping (For Zimbabwe)
01***25Bolt,(With Corrosion Resistor)2
07***60O-Ring,(For Pc750?800?1800) (A2610)1
07***12Gasket,(Without Air Compressor Type) (K1)6
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6d95l-1aa-S S/N 29222-Up
Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Air Cleaner And Connection
04***10Ring,See Fig. K4010-65a01
07***09Clamp,(With Cylinder Cover)2
09***62Plate? Instruction,(English-Russian)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Air Intake Manifold And Connection(#29222-40631)
01***12Bolt2
01***20Bolt,(For Japan Pc200)2
01***25Bolt,(With Corrosion Resistor)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Air Intake Manifold And Connection(#40632-)
01***12Bolt2
01***20Bolt,(For Japan Pc200)2
01***25Bolt,(With Corrosion Resistor)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Alternator (13a)
60***71Alternator A. (13a),(With Hardening Pulley)1
KD***31Bushing,Insulator2
KD***80Packing1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Alternator And Mounting (13a)
01***50Bolt1
01***40Bolt,(Shim 3-Piece)1
01***20Bolt,(For Japan Pc200)2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Camshaft And Tappet
01***75Bolt1
04***10Pin,Dowel1
62***10Tappet12
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Crankshaft
01***45Bolt,Nylock1
01***16Bolt,(With Alternator Cover Type)6
61***11Bolt,Nylock (K2)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Cylinder Block
01***45Bolt,(For Power Tilt Mech Angle)6
01***55Bolt, Mount Tube To Switch Pump5
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Cylinder Head
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)4
01***32Washer, (Without Emergency Steering)25
02***04Plug, Pipe1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Cylinder Head Cover
07***09Clamp,(See Fig. K0210-16a0)2
61***10Cap, Oil Filler1
61***30Tube, Oil Filler1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Exhaust Manifold And Muffler
01***25Grub Screw4
01***20Bolt, Hose Clamps (Inlet And Return Line Hoses)2
01***45Bolt, Bracket Mounting12
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Flywheel And Flywheel Housing
01***45Bolt,(For Suction? Reversible Fan)2
01***40Bolt,(With Service Valve R.H.)6
01***30Bolt6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Front Cover And Gear
01***75Bolt - Cab To Rops1
01***10Bolt1
01***16Bolt2
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Filter And Piping
01***85Bolt2
07***12Gasket,Mechanical Pump Piping1
07***12Gasket,(Without Air Compressor Type) (K1)4
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Injection Pump (Feed Pump)
DK***20Bolt, Joint1
DK***00Valve,Check2
DK***10Feed Pump Ass'Y,(Not Shown)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Injection Pump (Governor) (1/2)
DK***00Shim? 2.00mm,(High Altitude Spec.)0
DK***00Adapter1
DK***80Nut1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Injection Pump (Governor) (2/2)
DK***40Gasket,Air Compressor2
DK***00Nut,Cap1
DK***20Cover1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Injection Pump (Pump) (1/2)
62***50Injection Pump Ass'Y1
62***51Injection Pump Ass'Y1
DK***30Key,Woodruff1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Injection Pump (Pump) (2/2)
DK***40Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-00400
DK***90Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-05900
DK***00Sleeve,Control6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Injection Pump And Piping
01***35Stud4
01***25Screw4
01***12Bolt,(See Fig.0501)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Fuel Nozzle And Spill Pipe
01***35Bolt, Mount Bracket To Floor6
07***10Tube,(See Fig.0421-14)5
07***50Tube,Spill1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Gasket Kit
01***12Washer,Lock? Injection Gear1
07***05O-Ring,(Not Used With Emergency Str.) (K2)3
07***35O-Ring,Hydraulic Oil Filter1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Lubricating Oil Filter
60***40Cartridge,Engine Oil Filter (D31s)1
60***41Cartridge,Engine Oil Filter (D31s)1
60***50Plate? Caution,(Russian-English)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Lubricating Oil Pump And Suction Pipe
01***12Bolt,(See Fig.0501)1
01***16Screw6
01***25Bolt,(With Corrosion Resistor)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Oil Pan
01***14Bolt,(W/Joy Stick Str.)(W/O Heater)30
01***14Bolt30
07***16Gasket,(For Pc750-6) (See Fig.A2110)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Piston And Connecting Rod
04***12Ring, Snap12
62***21Piston (S)6
62***00Piston Ring Ass'Y,Per Cylinder6
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Rocker Arm
01***12Bolt,(Without R.P.C.U.)1
01***65Bolt,(For Alternator Bracket Mount)8
61***30Nut12
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Starting Motor (5.5kw)
60***50Starting Motor Ass'Y,(5.5kw)1
KD***30Bracket,Center1
KD***20Cneter Bracket A1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Starting Motor And Mounting (5.5kw)
01***30Bolt2
07***05O-Ring,(Not Used With Emergency Str.) (K2)1
(6***0)Starting Motor Ass'Y,(5.5kw) (See Fig.A6210-B0a5)1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Tension Pulley
01***25Bolt, Mount Engine Oil Drain To Fuel Tank1
01***65Bolt, Mount Tube To Divider Valve1
01***06Nut1
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Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Water Pump And Cooling Fan
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***16Screw5
01***20Screw2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : 6d95l-1aa-S S/N 29222-Up : Water Separator And Piping
01***25Bolt,(With Corrosion Resistor)2
01***10Bolt2
07***60O-Ring,(For Pc750?800?1800) (A2610)1
See all parts with full part numbers in Heavy Parts AI →
Control System
Komatsu : D31s-18(S/N 40001-Up) : Control System : Brake Pedal (For Lever Steering)
01***30Bolt,(For Quick Shift) (Mitsubishi)3
01***07Nut,L.H. Thread (D31s)1
01***07Nut,L.H. Thread (D31s)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Brake Pedal (For Lever Steering) (Noise Suppresion For Ec)(#40238-)
01***30Bolt,(For Quick Shift) (Mitsubishi)3
01***07Nut,L.H. Thread (D31s)1
01***08Nut,(For Canvas Canopy?Head Guard)2
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Brake Pedal Linkage (For Lever Steering)
01***40Bolt, Mount Master Brake Cylinder1
01***45Bolt, Mounting Bracket To Radiator (Top)1
01***07Nut,L.H. Thread (D31s)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Brake Pedal Linkage (For Lever Steering) (Noise Suppression For Ec)(#40238-)
01***40Bolt, Mount Master Brake Cylinder1
01***45Bolt, Mounting Bracket To Radiator (Top)1
01***07Nut,L.H. Thread (D31s)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Decelerator Pedal
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***60Capscrew1
01***16Screw1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Fuel Control Lever
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***04Nut,(For Air Conditioner Less)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Fuel Control Lever (Noise Suppression For Ec)(#40238-)
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***04Nut,(For Air Conditioner Less)1
01***13Washer,Spring(For Wiper Switch Earth)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Fuel Control Lever (Tbg Spec.)
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***04Nut,(For Air Conditioner Less)1
01***13Washer,Spring(For Wiper Switch Earth)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Fuel Control Lever (With Decelerator Pedal)
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***04Nut,(For Air Conditioner Less)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Fuel Control Linkage (With Decelerator Pedal)
01***25Bolt,Without Revolution Sensor1
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***05Nut,L.H. (For Trimming Dozer)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Inching Pedal
01***30Bolt,(For Quick Shift) (Mitsubishi)3
01***45Bolt, Mounting Bracket To Radiator (Top)1
01***07Nut,L.H. Thread (D31s)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Inching Pedal (Noise Suppression For Ec)(#40238-)
01***30Bolt,(For Quick Shift) (Mitsubishi)3
01***45Bolt, Mounting Bracket To Radiator (Top)1
01***07Nut,L.H. Thread (D31s)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Inching Pedal (Tbg Spec.)
01***30Bolt,(For Quick Shift) (Mitsubishi)3
01***45Bolt, Mounting Bracket To Radiator (Top)1
01***07Nut,L.H. Thread (D31s)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Inching Pedal Linkage
01***30Bolt,(For Mechanical Governor)4
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***05Nut,L.H. Thread (D31s)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Oil Cooler Piping
01***16Bolt, Battery To Frame Ground Wire Attaching2
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***30Bolt,(For Quick Shift) (Mitsubishi)4
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Oil Cooler Piping (For Hinge Type Double Mask Reinforced Type)
01***16Bolt, Battery To Frame Ground Wire Attaching2
01***30Bolt,(For Quick Shift) (Mitsubishi)4
01***08Nut,(For Straight Tilt Dozer) (D65p)3
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Parking Brake (For Pedal Steering)
01***30Bolt,(For Mechanical Governor)1
01***50Bolt,(Shim Thickness?Less Than 8mm)2
01***20Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Parking Brake (For Pedal Steering) (Noise Suppresion For Ec)(#40238-)
01***30Bolt,(For Mechanical Governor)1
01***50Bolt,(Shim Thickness?Less Than 8mm)2
01***20Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Parking Brake (For Pedal Steering) (Tbg Spec.)(#40001-40237)
01***30Bolt,(For Mechanical Governor)1
01***50Bolt,(Shim Thickness?Less Than 8mm)2
01***20Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Parking Brake (For Pedal Steering) (Tbg Spec.)(#40238-)
01***30Bolt,(For Mechanical Governor)1
01***50Bolt,(Shim Thickness?Less Than 8mm)2
01***20Screw1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Parking Brake Linkage (For Pedal Steering)
01***40Bolt, Mount Master Brake Cylinder1
01***45Bolt, Mounting Bracket To Radiator (Top)1
01***07Nut,L.H. Thread (D31s)1
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Control Lever (For Lever Steering)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***40Bolt, Mount Master Brake Cylinder2
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Control Lever (For Lever Steering) (Noise Suppression For Ec)(#40238-)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***40Bolt, Mount Master Brake Cylinder2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Control Linkage (1/2) (For Lever Steering)
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***40Bolt, Mount Master Brake Cylinder6
01***50Bolt,(With Service Valve R.H.)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Control Linkage (2/2) (For Lever Steering)
01***45Bolt,(For Power Tilt Mech Angle)4
01***55Bolt, Mount Tube To Switch Pump4
01***45Bolt, Mounting Bracket To Radiator (Top)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Pedal (For Pedal Steering)
01***30Bolt,(For Quick Shift) (Mitsubishi)6
01***40Bolt, Mount Master Brake Cylinder2
01***06Nut? L.H. Thread,L.H. Thread (For Chinese)2
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Pedal (For Pedal Steering) (Noise Suppresion For Ec)(#40238-)
01***30Bolt,(For Quick Shift) (Mitsubishi)6
01***40Bolt, Mount Master Brake Cylinder2
01***06Nut,L.H. Thread (For Russian)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Pedal (Tbg Spec.) (For Pedal Steering)
01***30Bolt,(For Quick Shift) (Mitsubishi)6
01***40Bolt, Mount Master Brake Cylinder2
01***06Nut,L.H. Thread (For Russian)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Pedal Linkage (1/2) (For Pedal Steering)
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***40Bolt, Mount Master Brake Cylinder6
01***50Bolt,(With Service Valve R.H.)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Pedal Linkage (2/2) (For Pedal Steering)
01***45Bolt,(For Power Tilt Mech Angle)4
01***55Bolt, Mount Tube To Switch Pump4
01***45Bolt, Mounting Bracket To Radiator (Top)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Piping
01***35Bolt,(For Quick Shift) (Mitsubishi)7
01***45Bolt,(For Power Tilt Mech Angle)2
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring9
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Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Piping (Noise Suppression For Ec)(#40238-)
01***30Bolt,(For Quick Shift) (Mitsubishi)1
01***35Bolt,(For Quick Shift) (Mitsubishi)7
01***45Bolt,(For Power Tilt Mech Angle)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Valve (For Lever Steering)
01***20Bolt,(With Auto Emergency Steering)8
01***25Washer,Spring?For Additional Rear Lam8
04***16Pin, Spring2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Steering Valve (For Pedal Steering)
01***20Bolt,(With Auto Emergency Steering)8
01***25Washer,Spring?For Additional Rear Lam8
04***16Pin, Spring2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Transmission Control Lever
01***30Bolt,(For Mechanical Governor)3
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***30Bolt,(For Quick Shift) (Mitsubishi)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Transmission Control Lever (Noise Suppression For Ec)(#40238-)
01***30Bolt,(For Mechanical Governor)3
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(For Quick Shift) (Mitsubishi)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Transmission Control Lever (Tbg Spec.)
01***30Bolt,(For Mechanical Governor)3
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***30Bolt,(For Quick Shift) (Mitsubishi)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Transmission Control Linkage
01***30Bolt,(For Mechanical Governor)4
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Transmission Control Linkage (Noise Suppression For Ec)(#40238-)
01***30Bolt,(For Mechanical Governor)4
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Control System : Transmission Control Linkage (Tbg Spec.)
01***30Bolt,(For Mechanical Governor)4
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)2
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Damper? Transmission? Steering And Final Drive
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Bevel Gear And Shaft
01***16Bolt, Battery To Frame Ground Wire Attaching8
01***10Nut,(Dust?Drip Proof? Trimming S.)8
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Brake
01***35Bolt,R.H. Outside And L.H. Inside8
01***42Washer,Spring (For Pedal Steering), Washer-Spring8
01***26Washer,Plain2
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Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Damper
01***20Bolt,(For Quick Shift) (Mitsubishi)8
01***30Bolt,(For Quick Shift) (Mitsubishi)8
01***60Bolt, Mount Tube To Switch Pump8
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Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Final Drive Case
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps12
01***40Bolt,(With Center Guard)36
01***70Bolt,Rear Carrier (With Gumpad)10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Final Drive Gear
01***30Bolt,(For Quick Shift) (Mitsubishi)36
01***25Bolt,(Without Rops Guard? Canopy)4
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring36
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Sprocket And Shaft
01***30Bolt,(Not Used With Emergency Str.)8
01***45Bolt,(For Travel Motor) (Not Show)32
01***13Nut - Cylinder Mounting24
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Steering Case And Main Frame
01***25Bolt,(For Canvas Canopy?Head Guard)9
01***30Bolt,(For Quick Shift) (Mitsubishi)4
01***40Bolt, Mount Master Brake Cylinder6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Steering Case Cover
01***30Bolt,(For Mechanical Governor)4
01***25Bolt,(For Canvas Canopy?Head Guard)12
01***40Bolt, Mount Master Brake Cylinder22
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Steering Case Cover (Noise Suppression For Ec)(#40238-)
01***30Bolt,(For Mechanical Governor)4
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***40Bolt, Mount Master Brake Cylinder7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Steering Clutch
01***25Bolt,(For Canvas Canopy?Head Guard)24
01***12Screw,(D31s)2
01***10Nut (K10)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission (1st Housing) (5/7)
01***25Bolt,Without Revolution Sensor2
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***55Screw10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission (2nd Housing) (4/7)
04***18Ring,Snap (With Emergency Steering)1
10***40Plate Ass'Y1
11***00Transmission Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission (Case) (1/7)
01***20Bolt,(With Auto Emergency Steering)2
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Quick Shift) (Mitsubishi)14
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission (Forward And 3rd Housing) (3/7)
04***24Pin,Dowel (For No.3 Housing)2
04***15Ring,Back-Up1
04***18Ring,Snap (With Emergency Steering)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission (Pump) (7/7)
01***45Screw3
01***55Bolt,(10m)7
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission (Reverse Housing) (2/7)
01***50Bolt,(With Service Valve R.H.)1
04***20Ring, Retaining1
04***25Ring,Snap (Kit)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission (Transfer) (6/7)
01***25Bolt,Without Revolution Sensor2
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***35Bolt,(For Quick Shift) (Mitsubishi)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission Valve (Modulation)
01***20Bolt,(With Auto Emergency Steering)4
01***60Bolt,(For Japan And Sweden)3
01***70Bolt (Op)5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Transmission Valve (Selector And Inching)
01***25Bolt,Without Revolution Sensor2
01***50Bolt (Kit)5
01***65Bolt,R.H3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Damper? Transmission? Steering And Final Drive : Universal Joint
01***40Bolt,(With Air Conditioner)8
01***25Washer,Spring?For Additional Rear Lam8
07***20Plug,(D31s)1
See all parts with full part numbers in Heavy Parts AI →
Engine Related Parts And Electrical System
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Back-Up Alarm
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***20Screw4
01***05Nut,(For Air Conditioner Less), Nut4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Battery
01***08Nut,(For Canvas Canopy?Head Guard)8
08***00Terminal? (+),(10l) (Not Shown)2
08***01Terminal? (-),(20l) (Not Shown)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Battery (Large Capacity Type)
01***08Nut,(For Canvas Canopy?Head Guard)8
08***00Terminal? (+),(10l) (Not Shown)2
08***01Terminal? (-),(20l) (Not Shown)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Electrical System
01***16Bolt (With Air Heater & Conditioner)2
01***20Bolt,(With Auto Emergency Steering)2
01***20Bolt,(For Quick Shift) (Mitsubishi)15
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Electrical System (For 25a Alternator)
01***16Bolt (With Air Heater & Conditioner)2
01***20Bolt,(With Auto Emergency Steering)2
01***20Bolt,(For Quick Shift) (Mitsubishi)16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Electrical System (Tbg Spec.)
01***16Bolt (With Air Heater & Conditioner)2
01***20Bolt,(With Auto Emergency Steering)2
01***20Bolt,(For Quick Shift) (Mitsubishi)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***20Bolt4
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Fuel Tank Additional Strainer And Piping
01***20Bolt,(With Auto Emergency Steering)2
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***35Bolt,(For Quick Shift) (Mitsubishi)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping
01***20Bolt,(For Quick Shift) (Mitsubishi)7
01***25Bolt,(For Canvas Canopy?Head Guard)1
01***40Bolt,R.H. Outside And L.H. Inside, Bolt4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping (Noise Suppression For Ec)(#40238-)
01***20Bolt,(For Quick Shift) (Mitsubishi)9
01***40Bolt,R.H. Outside And L.H. Inside, Bolt4
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping (Tbg Spec.)(#40001-40237)
01***20Bolt,(For Quick Shift) (Mitsubishi)7
01***40Bolt,R.H. Outside And L.H. Inside, Bolt4
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping (Tbg Spec.)(#40238-)
01***20Bolt,(For Quick Shift) (Mitsubishi)9
01***40Bolt,R.H. Outside And L.H. Inside, Bolt4
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring7
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***40Bolt, Mount Master Brake Cylinder3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering) (With Vandalism Protection)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***40Bolt, Mount Master Brake Cylinder3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Pedal Steering)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***40Bolt, Mount Master Brake Cylinder3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Pedal Steering) (With Vandalism Protection)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***20Bolt,(For Quick Shift) (Mitsubishi)3
01***40Bolt, Mount Master Brake Cylinder3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Instrument Panel (Noise Suppression For Ec)(#40238-)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***35Bolt,(For Quick Shift) (Mitsubishi)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Instrument Panel (Tbg Spec.)
01***16Bolt, Mount Washer Tank To Bracket, Bolt2
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***35Bolt,(For Quick Shift) (Mitsubishi)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Radiator And Piping
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Radiator And Piping (For 25a Alternator)
01***25Bolt,(For Canvas Canopy?Head Guard)17
01***30Bolt,(For Quick Shift) (Mitsubishi)1
01***60Bolt, Mount Tube To Switch Pump2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Engine Related Parts And Electrical System : Radiator And Piping (For Sandy And Dusty Terrain)
01***25Bolt,(For Canvas Canopy?Head Guard)21
01***30Bolt,(For Quick Shift) (Mitsubishi)1
01***60Bolt, Mount Tube To Switch Pump2
See all parts with full part numbers in Heavy Parts AI →
Guard
Komatsu : D31s-18(S/N 40001-Up) : Guard : Canopy (Canvas)
01***25Bolt,(Without Rops Guard? Canopy)8
01***30Bolt,(Not Used With Emergency Str.)4
01***50Bolt,(For Tbg/Abe Spec.)12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Canopy(#40001-40383)
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***30Bolt,(For Quick Shift) (Mitsubishi)8
01***45Bolt,(For Power Tilt Mech Angle)20
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Canopy(#40384-)
01***20Bolt,(For Quick Shift) (Mitsubishi)8
01***45Bolt,(For Power Tilt Mech Angle)12
01***25Bolt,(Without Rops Guard? Canopy)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Cross Bar
01***50Bolt,(For Tree Pusher)28
01***55Bolt,(With Hook)8
01***60Flat Washer - M20 (Hardened)36
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Erar Cover And Hydraulic Tank (Tbg Spec.)(#40238-)
01***30Bolt,(For Mechanical Governor)2
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Head Guard
01***60Bolt,(For Ripper)8
01***65Bolt,(With Canvas Or Rops Canopy)4
01***70Bolt,Rear Carrier (With Gumpad)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Head Guard (With Rear Net)
01***45Bolt, Mount Center Hinge Retainer (Upper)6
01***45Bolt,(For Travel Motor) (Not Show)4
01***55Bolt,(For Reinforced Type)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Loader Frame And Floor Plate
01***25Bolt,(For Canvas Canopy?Head Guard)16
01***70Bolt, Mount Bracket And Oil Inlet Tube, Bolt2
01***35Bolt,R.H. Outside And L.H. Inside2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Loader Frame And Floor Plate (Noise Suppression For Ec)(#40238-)
01***25Bolt,(For Canvas Canopy?Head Guard)12
01***70Bolt, Mount Bracket And Oil Inlet Tube, Bolt2
01***40Bolt,(With Center Guard)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Loader Frame And Floor Plate (Tbg Spec.)(#40001-40237)
01***25Bolt,(For Canvas Canopy?Head Guard)13
01***70Bolt, Mount Bracket And Oil Inlet Tube, Bolt2
01***40Bolt,(With Center Guard)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Loader Frame And Floor Plate (Tbg Spec.)(#40238-)
01***25Bolt,(For Canvas Canopy?Head Guard)12
01***70Bolt, Mount Bracket And Oil Inlet Tube, Bolt2
01***40Bolt,(With Center Guard)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Loader Frame And Floor Plate (With Decelerator Pedal)
01***25Bolt,(For Canvas Canopy?Head Guard)19
01***70Bolt, Mount Bracket And Oil Inlet Tube, Bolt2
01***35Bolt,R.H. Outside And L.H. Inside2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Operator'S Seat (Rigid Type) (For Lever Steering)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)8
01***25Bolt,(For Canvas Canopy?Head Guard)10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Operator'S Seat (Rigid Type) (For Pedal Steering)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)8
01***25Bolt,(For Canvas Canopy?Head Guard)10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Operator'S Seat (Rigid Type) (Noise Suppression For Ec)(#40238-)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)8
01***25Bolt,(For Canvas Canopy?Head Guard)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Operator'S Seat (With Oil Damper)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Operator'S Seat (With Oil Damper) (Noise Suppression For Ec)(#40238-)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)12
01***25Bolt,(For Canvas Canopy?Head Guard)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Operator'S Seat (With Oil Damper) (Tbg Spec.)(#40001-40237)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)9
01***25Bolt,(For Canvas Canopy?Head Guard)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Operator'S Seat (With Oil Damper) (Tbg Spec.)(#40238-)
01***20Bolt,(With Auto Emergency Steering)4
01***20Bolt,(For Quick Shift) (Mitsubishi)9
01***25Bolt,(For Canvas Canopy?Head Guard)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Radiator Guard And Hood
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt-Hex, Bolt,(With Center Guard)4
01***35Bolt,R.H. Outside And L.H. Inside9
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Radiator Guard And Hood (For Hinge Type Double Mask Reinforced Type)
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***25Bolt,(Without Rops Guard? Canopy)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Radiator Guard And Hood (Noise Suppression For Ec)(#40238-)
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt-Hex, Bolt,(With Center Guard)4
01***35Bolt,R.H. Outside And L.H. Inside11
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Radiator Guard And Hood (Tbg Spec.)(#40001-40237)
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt-Hex, Bolt,(With Center Guard)4
01***35Bolt,R.H. Outside And L.H. Inside11
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Radiator Guard And Hood (Tbg Spec.)(#40238-)
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt-Hex, Bolt,(With Center Guard)4
01***35Bolt,R.H. Outside And L.H. Inside11
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Radiator Guard And Hood (With Turbocharger)
01***25Bolt,(For Canvas Canopy?Head Guard)10
01***30Bolt-Hex, Bolt,(With Center Guard)4
01***35Bolt,R.H. Outside And L.H. Inside11
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rear Cover And Hydraulic Tank (For 3-P0int Hitch)
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)28
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rear Cover And Hydraulic Tank (Noise Suppression For Ec)(#40238-)
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rear Cover And Hydraulic Tank (Tbg Dpec.)(#40001-40237)
01***30Bolt,(For Mechanical Governor)3
01***25Bolt,(For Canvas Canopy?Head Guard)20
01***40Bolt,R.H. Outside And L.H. Inside, Bolt4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rear Cover And Hydraulic Tank(#40001-40214)
01***30Bolt,(For Mechanical Governor)2
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)20
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rear Cover And Hydraulic Tank(#40215-)
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)20
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rops Bracket
01***40Bolt,(With Center Guard)22
01***45Bolt,(For Travel Motor) (Not Show)16
01***50Bolt,(For Tbg/Abe Spec.)12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rops Cab (Body) (1/5) (Tbg Spec.)
01***16Bolt, Battery To Frame Ground Wire Attaching4
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***25Bolt,(For Canvas Canopy?Head Guard)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rops Cab (Door And Side Window) (3/5) (Tbg Spec.)
01***20Bolt,(Without Maintenance Monitor)4
01***45Bolt4
01***25Bolt,(For Canvas Canopy?Head Guard)10
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rops Cab (Electrical System) (4/5) (Tbg Spec.)
01***16Bolt, Mount Washer Tank To Bracket, Bolt8
01***12Screw,(Additional Sun Visor)1
01***20Screw - Turn Signal And Parkinglight Mounting2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rops Cab (Front And Rear Window) (2/5) (Tbg Spec.)
01***16Bolt, Mount Washer Tank To Bracket, Bolt4
01***20Bolt,(With Auto Emergency Steering)6
01***25Bolt,(For Canvas Canopy?Head Guard)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rops Cab (Mounting Parts) (5/5) (Tbg Spec.)
01***16Bolt, Mount Washer Tank To Bracket, Bolt9
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)5
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Rops Canopy
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Name,(Limited Supply) (Japanese)1
09***00Plate? Name,(Rops And Fops)(Ec Regulation)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Under Guard
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***35Bolt,R.H. Outside And L.H. Inside14
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Under Guard (Noise Suppression For Ec)(#40238-)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***35Bolt,R.H. Outside And L.H. Inside14
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Under Guard (Strengthened Type)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***35Bolt,R.H. Outside And L.H. Inside16
01***50Bolt,(Shim Thickness?Less Than 8mm)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Under Guard (Tbg Spec.)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***35Bolt,R.H. Outside And L.H. Inside14
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Under Guard (With Front Pull Hook)
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***35Bolt,R.H. Outside And L.H. Inside16
01***50Bolt,(Shim Thickness?Less Than 8mm)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Guard : Water Valve (For Car Heater)
07***59Clamp,See Fig. K4010-05a04
09***00Valve1
10***20Hose2
See all parts with full part numbers in Heavy Parts AI →
Mark Plate? Tool And Kit
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Accessory Parts
09***13Bag,Tool (D31s)1
09***13Bag,Tool (D31s)1
09***00Box,Spare Parts (Except Usa)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply) (English)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (English) (Noise Suppression For Ec)(#40238-)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,Machine (Limited Supply)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (French)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply) (For France)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (French) (Noise Suppression For Ec)(#40238-)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply) (For France)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (German)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply) (German)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (German) (Noise Suppression For Ec)(#40238-)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (German) (Tbg Spec.)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (Indonesian)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (Italian)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Marks And Plates (Spanish)
04***60Screw,Machine Model (For Ec Reg.)4
09***00Plate? Safety,Inspection And Maintenance1
09***35Plate? Name,(Limited Supply) (Spanish)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Service Kit
04***10Lock,Holder1
07***08O-Ring,(F2320-53a3 -38 )5
07***95O-Ring,Transmission Strainer1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Spare Parts
07***95O-Ring,Transmission Strainer1
07***28O-Ring,(For Hd325-6?Hm400-1) (A2110)2
07***16Gasket,(For Pc750-6) (See Fig.A2110)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Mark Plate? Tool And Kit : Tool
07***50Pump, (Bellows Type)1
07***03Cartridge - Grease1
07***45Nozzle, Grease Pump (Non-Flexible Type)1
See all parts with full part numbers in Heavy Parts AI →
Track
Komatsu : D31s-18(S/N 40001-Up) : Track : Carrier Roller
01***20Bolt,(Sandy? Dusty Terrain Spec.)2
01***25Bolt,(For Canvas Canopy?Head Guard)5
01***45Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Front Idler
01***30Bolt,(For France Noise Suppression)12
01***40Bolt,(With Service Valve R.H.)8
01***10Nut,(Fig.F2820-01a3-12)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Recoil Spring(#40001-40096)
01***20Bolt,(For Quick Shift) (Mitsubishi)4
01***40Bolt,(With Center Guard)12
01***45Bolt,(For Travel Motor) (Not Show)16
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Recoil Spring(#40097-)
01***30Bolt,(For Mechanical Governor)4
01***40Bolt,(With Center Guard)12
01***45Bolt,(For Travel Motor) (Not Show)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Frame (With Mono Block Type Track Roller Guard)
01***25Bolt,(For Canvas Canopy?Head Guard)8
01***40Bolt,(With Center Guard)52
01***13Nut,(For Adjustable Rod)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Frame (With Separate Type Track Roller Guard)
01***25Bolt,(For Canvas Canopy?Head Guard)8
01***30Bolt-Hex, Bolt,(With Center Guard)16
01***40Bolt,(With Center Guard)52
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Frame (With Separate Type Track Roller Guard) (Tbg Spec.)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***30Bolt-Hex, Bolt,(With Center Guard)16
01***40Bolt,(With Center Guard)52
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Roller
01***30Bolt,(For France Noise Suppression)12
01***45Bolt,(For Travel Motor) (Not Show)40
01***30Washer,Spring(Sandy?Dusty Terrain S.)12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Lubricate Type) (Semi-Double Grouser With Hole)
07***22Plug,Large74
07***21Plug,(Small)74
11***34Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Lubricate Type) (Semi-Double Grouser)
07***22Plug,Large74
07***21Plug,(Small)74
11***34Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Lubricate Type) (Single Grouser)
07***22Plug,Large74
07***21Plug,(Small)74
11***34Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Lubricate Type) (Snow Type)
07***22Plug,Large74
07***21Plug,(Small)74
11***34Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Lubricate Type) (Triple Grouser With Hole)
07***22Plug,Large74
07***21Plug,(Small)74
11***34Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Lubricate Type) (Triple Grouser)
07***22Plug,Large74
07***21Plug,(Small)74
11***34Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Master Pin Type) (Flat Type)
11***72Seal,Dust? Regular? W-Type140
11***82Seal,Dust? Regular? W-Type8
11***26Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Master Pin Type) (Semi-Double Grouser With Hole)
11***72Seal,Dust? Regular? W-Type140
11***82Seal,Dust? Regular? W-Type8
11***26Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Master Pin Type) (Semi-Double Grouser)
11***72Seal,Dust? Regular? W-Type140
11***82Seal,Dust? Regular? W-Type8
11***26Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Master Pin Type) (Single Grouser)
11***72Seal,Dust? Regular? W-Type140
11***82Seal,Dust? Regular? W-Type8
11***26Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Master Pin Type) (Snow Type)
11***72Seal,Dust? Regular? W-Type140
11***82Seal,Dust? Regular? W-Type8
11***26Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Master Pin Type) (Triple Grouser With Hole)
11***72Seal,Dust? Regular? W-Type140
11***82Seal,Dust? Regular? W-Type8
11***26Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Track : Track Shoe (Master Pin Type) (Triple Grouser)
11***72Seal,Dust? Regular? W-Type140
11***82Seal,Dust? Regular? W-Type8
11***26Track Link Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Work Equipment
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : 3-Point Hitch (1/2)
01***20Bolt,(For Quick Shift) (Mitsubishi)6
01***50Bolt,(For Tree Pusher)10
01***80Bolt,(For 100kg)6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : 3-Point Hitch (2/2)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***38Nut2
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : 3-Point Hitch Cylinder
01***16Bolt, Battery To Frame Ground Wire Attaching1
01***09Nut,(With Body Positioner)2
01***23Washer, Wiring Harness Mounting Bracket2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Bucket
01***35Bolt,(For Quick Shift) (Mitsubishi)4
01***20Bolt2
01***15Nut2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Bucket Indicator
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108068
01***09Nut,(With Body Positioner)2
01***23Washer, Wiring Harness Mounting Bracket2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Bucket Lock
01***25Bolt,(For Canvas Canopy?Head Guard)4
01***08Nut,(For Canvas Canopy?Head Guard)4
01***13Nut,(For Adjustable Rod)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Bucket Positioner
01***30Bolt3
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***40Bolt, Mount Master Brake Cylinder1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Drawbar (For 3-Point Hitch)
01***55Bolt,(With Hook)4
01***12Washer,(With Body Positioner)1
01***60Flat Washer - M20 (Hardened)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Dumping Fork
01***35Bolt,(For Quick Shift) (Mitsubishi)4
01***30Bolt-Hex, Bolt,(With Center Guard)8
01***20Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Fair Lead
01***25Bolt,(Without Rops Guard? Canopy)8
01***40Bolt,(With Center Guard)4
01***40Stud4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Hitch
01***60Bolt, Mount Pole2
01***60Flat Washer - M20 (Hardened)2
11***20Hitch Ass'Y1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Hydraulic Piping (Multi Purpose Bucket Cylinder Line) (1/2)
01***20Bolt,(With Auto Emergency Steering)5
01***25Bolt,Without Revolution Sensor4
01***20Bolt,(For Quick Shift) (Mitsubishi)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Hydraulic Piping (Multi Purpose Bucket Cylinder Line) (2/2)
01***45Bolt,(For Power Tilt Mech Angle)8
01***40Bolt,R.H. Outside And L.H. Inside, Bolt2
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Hydraulic Piping (Ripper Cylinder Line) (Ripper Side)
07***06Hose,(D21s) (Tbg Spec.)2
07***15Nut,(For Shipping And Storage)2
07***12Plug,(For Shipping And Storage)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Large Bucket
01***35Bolt, Mounting - Flywheel Housing End4
01***20Bolt2
01***15Nut2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Lift Arm
01***25Bolt,(For Canvas Canopy?Head Guard)24
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring24
07***00Fitting, Grease - Upper Hinge Pin12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Lift Arm (Tbg Spec.)
01***25Bolt,(For Canvas Canopy?Head Guard)24
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring24
07***00Fitting, Grease - Upper Hinge Pin12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Logging Arm
01***25Bolt,(Without Rops Guard? Canopy)6
01***30Bolt,(Not Used With Emergency Str.)2
01***40Bolt,(With Center Guard)8
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Multi Purpose Bucket
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***35Bolt,(For Quick Shift) (Mitsubishi)4
01***95Bolt,(For 2nd Travel Speed) (Op)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Multi Purpose Bucket Cylinder
07***85Ring,Back-Up? Head1
07***85O-Ring1
07***34O-Ring,(For Without Brake Assistor)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : P.T.O. Case
01***30Bolt,(For France Noise Suppression)4
01***30Bolt,(For Mechanical Governor)2
01***16Bolt, Battery To Frame Ground Wire Attaching2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : P.T.O. Control Valve
01***20Bolt,(With Auto Emergency Steering)4
01***75Bolt,(For Shipping)4
01***06Nut, Regular Hexagon (M8-1.25)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : P.T.O. Oil Piping
01***25Bolt,Without Revolution Sensor4
01***30Bolt,(For Quick Shift) (Mitsubishi)4
01***25Washer,Spring?For Additional Rear Lam4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : P.T.O. Pump
01***32Washer, (Without Emergency Steering)4
04***20Pin,Dowel (Welded)4
04***15Ring, Snap1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : P.T.O. Shaft And Gear
01***20Bolt,(Sandy? Dusty Terrain Spec.)4
01***70Bolt10
01***25Washer,Spring?(Sandy And Dusty Spec.)14
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Rear Counter Weight
01***16Nut - M208
01***60Flat Washer - M20 (Hardened)8
07***25Plug,(For Shipping And Storage Only12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Rear Counter Weight (Multi Purpose Bucket)
01***16Nut - M208
01***60Flat Washer - M20 (Hardened)8
11***10Plate1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Ripper
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***25Bolt,(For Canvas Canopy?Head Guard)3
01***25Bolt,(Without Rops Guard? Canopy)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Ripper Cylinder
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***32Washer,(With Auto Emergency Steering)1
07***95O-Ring,(Y1620-11a0a-12)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Swing Drawbar
01***55Bolt,(With Hook)14
01***60Flat Washer - M20 (Hardened)14
04***12Pin,Cotter (For Ripper)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Swing Drawbar (For 3-Point Hitch)
01***55Bolt,(With Hook)10
01***80Bolt,(For 100kg)4
01***60Flat Washer - M20 (Hardened)14
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Bevel Gear? Drum And Wire Rope)
01***30Bolt,(Not Used With Emergency Str.)2
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps12
01***35Bolt,R.H. Outside And L.H. Inside12
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Bevel Pinion And Shift Fork)
01***30Bolt,(For Mechanical Governor)1
01***22Bolt8
01***30Bolt,(For Quick Shift) (Mitsubishi)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Control Valve)
01***25Bolt,Without Revolution Sensor2
01***55Bolt,(10m)3
01***60Bolt,(For Japan And Sweden)3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Mission Case)
01***25Bolt,Without Revolution Sensor3
01***35Bolt,(For Position Fixing)2
01***70Bolt (Op)4
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Winch Case)
01***20Bolt,(With Auto Emergency Steering)4
01***30Bolt,(Not Used With Emergency Str.)30
01***40Bolt,(With Service Valve R.H.)2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Winch Pump)
01***55Bolt,(10m)5
01***70Bolt (Op)2
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Winding Clutch 1/2)
01***30Bolt,(For Mechanical Governor)3
01***30Bolt,(For Quick Shift) (Mitsubishi)2
01***25Washer,Spring?For Additional Rear Lam3
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment : Towing Winch (Winding Clutch 2/2)
01***20Bolt,(With Auto Emergency Steering)6
01***22Bolt2
01***35Bolt, Bolt, Mount Tubes To Switch And Work Pumps3
See all parts with full part numbers in Heavy Parts AI →
Work Equipment Control System
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Dump Cylinder
01***30Bolt,(For Quick Shift) (Mitsubishi)1
01***26Nut,Nylon1
01***32Washer,(With Auto Emergency Steering)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (1/2) (For 3-Point Hitch)
01***20Bolt (Itl)4
01***25Bolt, Seal Cover Mounting2
01***30Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (1/2) (For Bucket Positioner)
01***20Bolt (Itl)4
01***30Bolt4
07***30Ring, Seal - Between Sections2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (1/2) (For Ripper)
01***20Bolt (Itl)4
01***25Bolt, Seal Cover Mounting2
01***30Bolt6
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (1/2) (Multi Purpose Bucket)
01***20Bolt (Itl)6
01***25Bolt, Seal Cover Mounting4
01***30Bolt2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (1/3) (For Ripper With Front Attachment)
01***20Bolt (Itl)4
01***25Bolt, Seal Cover Mounting4
01***30Bolt (Itl)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (2/2) (For 3-Point Hitch)
07***34O-Ring, O-Ring, Oil Level And Fill Plug3
07***34O-Ring, At Transmission Filter1
70***61O-Ring,(Pc100ss)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (2/2) (For Bucket Positioner)
07***34O-Ring, O-Ring, Oil Level And Fill Plug3
07***34O-Ring, At Transmission Filter1
07***34O-Ring,(F2310-59a0 -4 )2
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (2/2) (For Ripper)
07***34O-Ring, O-Ring, Oil Level And Fill Plug3
07***34O-Ring, At Transmission Filter1
70***61O-Ring,(Pc100ss)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (2/2) (Multi Purpose Bucket)
07***34O-Ring, O-Ring, Oil Level And Fill Plug3
07***34O-Ring, At Transmission Filter1
70***61O-Ring,(Pc100ss)1
See all parts with full part numbers in Heavy Parts AI →
Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (2/3) (For Ripper With Front Attachment)
01***20Bolt (Itl)2
01***30Bolt6
07***30Ring, Seal - Between Sections2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Control Valve (3/3) (For Ripper With Front Attachment)
07***34O-Ring, O-Ring, Oil Level And Fill Plug3
07***34O-Ring, At Transmission Filter1
70***61O-Ring,(Pc100ss)1
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Dump Cylinder Line)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***40Bolt, Mount Master Brake Cylinder2
01***11Nut,(With Under Mirror)8
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Dump Cylinder Line) (Tbg Spec.)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***40Bolt, Mount Master Brake Cylinder2
01***11Nut,(With Under Mirror)8
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line)
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***35Bolt,(For Quick Shift) (Mitsubishi)4
01***45Bolt,(For Power Tilt Mech Angle)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Ripper Cylinder Line) (Chassis Side)
01***20Bolt,(With Auto Emergency Steering)3
01***09Nut,(With Body Positioner)4
01***25Washer,Spring?For Additional Rear Lam1
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve)
01***40Bolt,(With Air Conditioner)4
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***25Bolt,(For Canvas Canopy?Head Guard)4
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve) (Noise Suppression For Ec)(#40238-)
01***40Bolt,(With Air Conditioner)4
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***25Bolt,(For Canvas Canopy?Head Guard)4
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve) (Tbg Spec.)
01***40Bolt,(With Air Conditioner)4
01***20Bolt,(For Quick Shift) (Mitsubishi)1
01***25Bolt,(For Canvas Canopy?Head Guard)4
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Piping (Valve To Cylinder) (For 3-Point Hitch)
01***20Bolt,(With Auto Emergency Steering)2
01***25Bolt,(For Canvas Canopy?Head Guard)2
01***09Nut,(With Body Positioner)4
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Tank And Filter
01***25Bolt,(For Canvas Canopy?Head Guard)7
01***30Bolt,(For Quick Shift) (Mitsubishi)5
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring12
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Tank And Filter (For 3-Point Hitch And Ripper)
01***25Bolt,(For Canvas Canopy?Head Guard)7
01***30Bolt,(For Quick Shift) (Mitsubishi)5
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring12
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Tank And Filter (Noise Suppression For Ec)(#40238-)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***35Bolt,(For Quick Shift) (Mitsubishi)5
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring11
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Hydraulic Tank And Filter (Tbg Spec.)
01***25Bolt,(For Canvas Canopy?Head Guard)6
01***35Bolt,(For Quick Shift) (Mitsubishi)5
01***30Washer, Spring (Supplied W/Spider Assembly), Washer-Spring11
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Lift Cylinder
01***20Bolt,(For Quick Shift) (Mitsubishi)2
01***26Nut,Nylon1
01***32Washer,(With Auto Emergency Steering)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : P.T.O. Control Lever
01***20Bolt,(With Auto Emergency Steering)3
01***25Bolt,Without Revolution Sensor1
01***95Bolt,L.H4
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Towing Winch Control Lever
01***20Bolt,(With Auto Emergency Steering)4
01***25Bolt,Without Revolution Sensor2
01***30Bolt,(For Mechanical Governor)4
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Towing Winch Control Linkage
01***20Bolt,(With Auto Emergency Steering)2
01***30Bolt,(For Mechanical Governor)2
01***16Bolt, Battery To Frame Ground Wire Attaching3
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever
01***25Bolt,Without Revolution Sensor9
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (1/2) (For 3-Point Hitch)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (1/2) (For Ripper With Front Attachment)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (1/2) (For Ripper)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (1/2) (For Ripper) (Noise Suppression For Ec)(#40238-)
01***20Bolt,(With Auto Emergency Steering)2
01***25Bolt,Without Revolution Sensor1
01***30Bolt,(For Mechanical Governor)3
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (1/2) (Mulit Purpose Bucket)
01***25Bolt,Without Revolution Sensor3
01***30Bolt,(For Mechanical Governor)3
01***20Bolt,(For Quick Shift) (Mitsubishi)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (2/2) (For 3-Point Hitch)
01***25Bolt,Without Revolution Sensor6
01***05Nut,L.H. Thread (D31s)1
01***05Nut,L.H. (For Trimming Dozer)1
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (2/2) (For Ripper With Front Attachment)
01***25Bolt,Without Revolution Sensor6
01***05Nut,L.H. Thread (D31s)2
01***05Nut,L.H. (For Trimming Dozer)2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (2/2) (For Ripper)
01***25Bolt,Without Revolution Sensor6
01***05Nut,L.H. Thread (D31s)1
01***05Nut,L.H. (For Trimming Dozer)1
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (2/2) (For Ripper) (Noise Suppression For Ec)(#40238-)
01***20Bolt,(With Auto Emergency Steering)6
01***05Nut,L.H. Thread (D31s)1
01***06Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-108061
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (2/2) (Multi Purpose Bucket)
01***25Bolt,Without Revolution Sensor6
01***05Nut,L.H. Thread (D31s)1
01***05Nut,L.H. (For Trimming Dozer)1
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (Noise Suppression For Ec)(#40238-)
01***25Bolt,Without Revolution Sensor9
01***30Bolt,(For Mechanical Governor)3
01***20Screw, Filter Mounting2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Control Lever (Tbg Spec.)
01***20Bolt,(With Auto Emergency Steering)2
01***25Bolt,Without Revolution Sensor7
01***30Bolt,(For Mechanical Governor)3
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Pump
01***32Washer, (Without Emergency Steering)4
04***24Pin,Dowel (For No.3 Housing)4
04***18Ring, Retaining1
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Valve (1/2)
01***20Bolt (Itl)4
01***25Bolt, Seal Cover Mounting2
01***30Bolt2
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Komatsu : D31s-18(S/N 40001-Up) : Work Equipment Control System : Work Equipment Valve (2/2)
07***34O-Ring, O-Ring, Oil Level And Fill Plug3
07***34O-Ring, At Transmission Filter1
70***61O-Ring,(Pc100ss)1
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D31S-18(S/N 40001-UP) serial number reference

The PIN plate is located on the front frame casting, typically on the operator's left side near the radiator support. To read the prefix, identify the characters preceding the dash-number to determine the machine generation/series. Verify the serial number against the catalog range (40001-UP) to ensure compatibility with this specific model variant.

PrefixIdentifies
D31S-18D31S-18 (S//N 40001-UP)

Frequently asked questions

What engine is used in the Komatsu D31S-18?

The machine is equipped with a Komatsu 6D95L engine, delivering approximately 52 kW (69.7 hp) of power.

What is the operating weight of this bulldozer?

The D31S-18 has an operating weight of approximately 6,670 kg (14,705 lb).

What model replaced the D31 series?

Specific successor models are not explicitly documented in the provided technical data; however, the D31 series is part of Komatsu's broader crawler dozer lineage.

What D31S-18(S/N 40001-UP) owners discuss

What are common transmission-related issues reported for the D31S-18?
Operators have reported instances of airlocked transmission pumps, particularly after the machine has been sitting for extended periods. This can be caused by a bad shaft seal on the transmission pump sucking air instead of oil. Other observed behaviors include the machine jerking and stopping accompanied by a high-pitched whine, or transmission leaks requiring filter replacement.
How does the steering performance typically behave on this model?
Commonly reported steering issues include weak steering performance when the machine is hot, lack of power steering on one side, and instances where the machine will enough steer in either direction. Some users also note sticking foot pedals.
Are there known hydraulic system concerns for high-hour D31S-18 units?
On machines with high operating hours (e.g., approximately 8,000 hours), owners have reported hydraulic overheating occurring after about 2 hours of continuous operation.
What is the typical engine power and weight for the D31S-18?
The machine features an engine power of 69.7 hp (52 kW) and an operating weight of 14,705 lb (6.67 t).
What should be checked regarding the transmission oil during maintenance?
When refilling, be aware of reports where oil may pour out of drain holes if levels are not managed correctly. For machines that have been sitting, check for airlocks in the pump. Follow the service schedule which includes an initial 250-hour break-in service and recurring 25/50/100/250/500/1000/2000/4000 hour intervals as specified in the maintenance manual.
What is the most critical check to perform when buying a used D31S-18?
Verify the serial number on the chassis plate against the number stamped into the chassis frame casting. A mismatch between the riveted plate and the engraved frame is a primary signal of stolen equipment or a restamped frame. Additionally, for machines built after 2003, check the 17-character ISO PIN on the emissions plate to confirm the machine's identity.

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

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