Komatsubulldozersmall ( - d39)
Komatsu D31E-20(S/N 42001-UP (For China / Trimming Dozer))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D31E-20 (S/N 42001-UP, China Trimming Dozer) is a compact crawler tractor designed for precision grading and trimming operations. This machine belongs to the D-series crawler dozer family and features a turbocharged S4D102E engine producing 70 hp (52.2 kW). Operating within the 6,290 kg (13,867.1 lb) weight class, it is configured with a Hydroshift transmission providing three forward and three reverse gears. The unit is specifically engineered for utility-scale earthmoving, offering a specialized configuration for trimming tasks in the China market.
Across its production lifecycle, the D31E-20 series represents a refinement of Komatsu's small-class dozers, focusing on operator ergonomics through single-lever joystick controls and improved hydraulic efficiency via gear-type pumps. In today's used equipment market, this specific serial range is highly valued for its balance of low operating weight and high power density. The availability of robust components like the S4D1/engine series makes it a reliable choice for secondary applications where maneuverability and ground pressure management (approx. 41–60 kPa) are critical.
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 D31E-20(S/N 42001-UP (For China / Trimming Dozer)) specifications
Engine
| Engine Model | S4D102E |
| Number of Cylinders | 4 |
| Aspiration | Turbocharged |
| Net Power | 70 hp (52.2 kW) |
| Power Measured @ RPM | 2350 rpm |
| Displacement | 239.3 cu in (3.9 L / 3,921.4 cc) |
Weights
| Operating Weight | 13,867.1 lb (6,290 kg) |
Dimensions
| Track Gauge | 4.76 ft (1450 mm / 146.3 cm) |
| Standard Shoe Size | 13 in (330 mm / 33 cm) |
| Track Width | 15.7 in (400 mm) |
| Front Blade Width | 7.92 ft (2.42 m) |
Performance
| Max Speed - Forward | 4.1 mph (6.5 km/h – 6.6 km/h) |
| Max Speed - Reverse | 4.5 mph (7.1 km/h – 7.2 km/h) |
| Ground Pressure | 5.95 psi (41 kPa) to 6 psi (0.4 bar) |
| Ground Contact Area | 1,923.56 in² (1.25 m² / 31,522.2 cm³) |
Hydraulic System
| Pump Type | Gear type |
| Relief Valve Pressure | 2,494.7 psi (17,200 kPa / 172 bar) |
Undercarriage
| Number of Shoes per Side | 37 |
| Number of Track Rollers per Side | 5 |
Service Capacities
| Fuel Capacity | 30.4 gal (115 L) |
| Engine Oil Capacity | 3.7 gal (14 L) |
| Cooling System Fluid Capacity | 5.9 gal (22 L – 22.3 L) |
| Powertrain/Transmission Fluid Capacity | 3.5 gal (13 L) |
| Final Drives Fluid Capacity | 2.6 gal (9.5 L – 9.8 L) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D31E-20(S/N 42001-UP (For China / Trimming Dozer)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase | 14.0 L (3.7 gal) to 14.0 L (3.7 gal) | Verify with dealer/manual. |
| Cooling System | 22.0 L (5.9 gal) to 22.3 L (6.0 gal) | Verify with dealer/manual. |
| Fuel Tank | 115.0 L (30.0 gal) to 115.1 L (30.4 gal) | Verify with dealer/manual. |
| Transmission / Powertrain | 13.0 L (3.5 gal) | Verify with dealer/manual. |
| Final Drives (each) | 9.5 L (2.6 gal) to 11.4 L (3.0 gal) | Verify with dealer/manual. |
| Hydraulic System | Verify with dealer | Verify with dealer/manual. |
| Grease | Verify with dealer | Verify with dealer/manual. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D31E-20(S/N 42001-UP (For China / Trimming Dozer)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the D31E-20(S/N 42001-UP (For China / Trimming Dozer)) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor the S4D102E engine oil and hydraulic fluids for particulate contamination. Regular sampling of transmission and final drive oils can detect early wear in the Hydroshift system or planetary gears. Given the 3.7 gal (14 L) engine oil capacity, even small amounts of coolant ingress can cause catastrophic failure. Track the condition of the gear-type pump output to prevent pressure drops below 2494.7 psi (172 bar).
Corrective & Common Repairs
Watch for airlock issues in the transmission pump, a known failure point on older Komatsu units. If steering or speed fluctuates, inspect shaft seals for air ingress. For hydraulic failures, check the relief valve settings and specialized fittings; note that this China-market configuration may use non-standard hydraulic hose sizes. Ensure all replacement hoses meet the specific pressure requirements of the 2494.7 psi (17200 kPa) system.
Overhaul & Rebuild Points
Major overhauls should focus on the 4-cylinder engine's turbocharger and fuel injectors to maintain the 70 hp (52.2 kW) net power rating. During undercarriage rebuilds, evaluate the 37 shoes per side and 5 track rollers per side for excessive wear. Rebuilding the final drives requires verifying the 9.5 L (2.6 gal) capacity is met with fresh lubricant to protect the planetary assembly from thermal degradation.
Seasonal & Environment Servicing
In high-dust environments, prioritize cleaning the turbocharger intake and radiator core to prevent overheating in the 2-series cooling system. During winter operations, ensure fuel-water separators are drained daily to prevent freezing. For heavy mud use, clean the track gauge area (1450 mm) and rollers frequently to prevent debris buildup that increases ground pressure and accelerates undercarriage component fatigue.
D31E-20(S/N 42001-UP (For China / Trimming Dozer)) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 600-311-1190 | Plate? Caution,Fuel Filter | Fuel system service | Check fitment → |
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 600-211-6620 | Plate? Caution,Oil Filter | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D31E-20(S/N 42001-UP (For China / Trimming Dozer)) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Low battery voltage | Electrical system voltage below operational threshold | Alternator failure, loose battery terminals, or depleted battery charge | Check battery connections and test alternator output |
| High coolant temperature | Engine operating temperature exceeds safe limits | Low radiator coolant level, radiator blockage, or thermostat failure | Check coolant levels in sub radiator tank and inspect radiator for debris |
| Low fuel level | Fuel supply in tank is below critical threshold | Depleted fuel supply or sensor malfunction | Refuel machine and inspect fuel level sensor |
| Air cleaner restriction | Excessive dust/debris accumulation in air intake system | Dirty or clogged air filter element | Inspect and replace air filter element |
| Abnormal pressure reading | Hydraulic or engine oil pressure outside specified range | Sensor failure, pump wear, or fluid degradation | Verify sensor functionality and check fluid levels/condition |
| Solenoid valve circuit error | Electrical fault in hydraulic control solenoid circuits | Wiring harness damage, short circuit, or failed solenoid coil | Inspect wiring for continuity and check solenoid resistance |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D31E-20(S/N 42001-UP (For China / Trimming Dozer)) attachments & work tools
Blades
Available configurations include S/TS type blades with a front blade width of 2.415 m (7.92 ft). Trimming dozer configurations for China-specific serial ranges feature an inside trimming blade, hydraulic tilt cylinder lines, and specific trimming cylinders.
Rippers
Supports single or multiple shank configurations. Compatible ripper shanks weigh approximately 16 kg (35.27 lbs) or 34 lbs depending on specific part sourcing, and are available for use as a ripper system.
Winches
Verify with dealer.
Drawbars/counterweights
Drawbar configuration is detailed in the service repair manual; specific weight or type dimensions are not specified in technical data.
Cab/ROPS guarding options
Verify with dealer.
Hydraulic arrangement notes
Trimming dozer configurations utilize specific hydraulic piping for tilt cylinder lines. The system uses a gear type pump with a relief valve pressure of 2494.7 psi (172 bar).
All D31E-20(S/N 42001-UP (For China / Trimming Dozer)) assemblies by section
Every catalogued assembly group for the Komatsu D31E-20(S/N 42001-UP (For China / Trimming Dozer)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
6d95l-1ac-Tc S/N 96999-Up
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Air Cleaner(#109416-)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 07***09 | Clamp,(With Cylinder Cover) | 2 |
| 60***11 | Washer,Seal (K26) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Air Intake(#100413-)
| 01***10 | Bolt (M10x1.50x10) | 4 |
| 01***30 | Screw | 11 |
| 01***85 | Bolt | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Alternator (13a) (With Non Hardening Pulley) (Inner Parts)(#100413-)
| 60***60 | Alternator A. (13a),(With Non Hardening Pulley) | 1 |
| KD***31 | Bushing,Insulator | 2 |
| KD***80 | Packing | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Alternator Mounting (13a) (With Non Hardening Pulley)(#100413-)
| 01***50 | Bolt | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 06***06 | Bearing | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cooling Fan
| 01***45 | Bolt | 6 |
| 01***30 | Screw | 6 |
| 60***20 | Fan,Cooling | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cooling Fan (Reversible Fan Type)
| 01***45 | Bolt | 6 |
| 01***30 | Screw | 6 |
| 60***10 | Fan,(Reversible Type) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Crank Pulley (Hardening Pulley) (For 13a Alternator)
| 01***45 | Bolt,Nylock | 1 |
| 61***20 | Collar,Taper | 1 |
| 61***31 | Plate | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Crankshaft
| 62***00 | Main Metal Ass'Y | 7 |
| 62***00 | Thrust Metal Ass'Y | 1 |
| 62***00 | Main Metal Ass'Y | 7 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cylinder Block
| 01***16 | Screw | 4 |
| 04***20 | Pin,Dowel (Welded) | 2 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cylinder Block (With Cylinder Liner)(#113660-)
| 01***16 | Screw | 4 |
| 04***20 | Pin,Dowel (Welded) | 2 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cylinder Block Gasket Kit
| 07***05 | O-Ring,(Not Used With Emergency Str.) (K2) | 2 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
| 07***50 | O-Ring,Front Cover Plate | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cylinder Head
| 01***32 | Washer, (Without Emergency Steering) | 25 |
| 02***04 | Plug, Pipe | 1 |
| 07***08 | Plug, Expansion | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cylinder Head (With Cylinder Liner)(#113660-)
| 01***32 | Washer, (Without Emergency Steering) | 25 |
| 02***04 | Plug, Pipe | 1 |
| 07***08 | Plug, Expansion | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Cylinder Head Gasket Kit
| 08***14 | Band,(For Additional Fuel Strainer) | 2 |
| 08***19 | Band,(Without Air Conditioner) | 2 |
| 61***30 | Gasket,Air Cleaner | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Damper
| 01***16 | Bolt,(With Alternator Cover Type) | 6 |
| 62***00 | Damper,(Except Japan Pc200) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Engine Mounting
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 6 |
| 01***55 | Bolt, Mount Tube To Switch Pump | 5 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Exhaust Manifold
| 01***25 | Grub Screw | 4 |
| 01***45 | Bolt, Bracket Mounting | 12 |
| 61***50 | Nut | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Flywheel
| 01***30 | Bolt | 6 |
| 06***04 | Bearing,Ball | 1 |
| 62***10 | Washer | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Flywheel Housing
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 07***15 | Plug | 1 |
| 61***32 | Seal? Rear (K2) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Front Cover
| 01***16 | Bolt | 2 |
| 01***16 | Screw | 3 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 15 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Front Hanger (For 13a? 25a Alternator)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***50 | Hanger,Front (With Tension Pulley) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Front Power Take Off
| 06***07 | Bearing | 1 |
| 06***08 | Bearing,Ball | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Filter (For 13a? 25a Alternator)
| 01***85 | Bolt | 2 |
| 01***15 | Bolt,(With Water Separator) | 2 |
| 01***16 | Washer,(With Water Separator) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Injection Pump (Feed Pump) (Without Stop Motor) (Inner Parts)(#100413-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Injection Pump (Governor) (1/2) (Without Stop Motor) (Inner Parts)(#100413-)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***80 | Nut | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Injection Pump (Governor) (2/2) (Without Stop Motor) (Inner Parts)(#100413-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***20 | Cover | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Injection Pump (Pump) (1/2) (Without Stop Motor) (Inner Parts)(#100413-)
| 62***52 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Injection Pump (Pump) (2/2) (Without Stop Motor) (Inner Parts)(#100413-)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Injection Pump Lubricator
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
| 07***10 | Screw, Banjo Connector (M10-1.25x20) | 1 |
| 62***30 | Pipe,Oil | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Injection Pump Mounting (Without Stop Motor)(#100413-)
| 01***35 | Grub Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Fuel Return (For 13a? 25a Alternator) (For 15a Alternator With Water Separator)
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***50 | Bolt,(For Shipping) | 1 |
| 04***10 | Clip,(With Accumulator) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Head Cover
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 04***50 | Screw | 4 |
| 07***09 | Clamp,(See Fig. K0210-16a0) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Heater Switch
| 01***12 | Bolt | 2 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Holder (Inner Parts)
| 62***10 | Holder Ass'Y | 6 |
| DK***00 | Shim? 0.75mm | 0 |
| DK***00 | Shim? 1.200mm | 0 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Idler Gear
| 01***75 | Bolt - Cab To Rops | 1 |
| 04***20 | Ring, Snap | 1 |
| 06***06 | Bearing | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Injection Nozzle
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***00 | Clip | 11 |
| 62***10 | Carrier | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Injection Piping
| 01***25 | Screw | 4 |
| 61***30 | Clip | 1 |
| 62***00 | Clip Ass'Y | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Muffler(#100413-)
| 01***15 | Bolt | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Name Plate And Caution (Chinese)(#100413-)
| 09***61 | Plate? Instruction,(Chinese) (Not Shown) | 1 |
| 60***20 | Plate? Caution,Oil Filter | 1 |
| 60***90 | Plate? Caution,Fuel Filter | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Name Plate And Caution (English)
| 09***61 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
| 60***30 | Plate? Caution,Oil Filter And Bypass Filter | 1 |
| 60***20 | Plate? Caution,(English)(Not Shown) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Oil Filter
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***42 | Cartridge,Engine Oil Filter | 1 |
| 62***10 | Nipple | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Oil Level Gauge(#100413-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***20 | Screw | 1 |
| 01***06 | Nut | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Oil Pan And Suction Tube(#100413-)
| 01***16 | Bolt, Mount Solenoid Valve | 30 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Oil Pump
| 01***16 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 62***10 | Valve | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Oil Pump (With Cylinder Liner)(#113660-)
| 01***16 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 62***10 | Valve | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Piston
| 04***12 | Ring, Snap | 12 |
| 62***02 | Piston Ring Ass'Y,Per Cylinder | 6 |
| 62***10 | Pin,Piston | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Piston (With Cylinder Liner)(#113660-)
| 04***12 | Ring, Snap | 12 |
| 62***02 | Piston Ring Ass'Y,Per Cylinder | 6 |
| 62***10 | Pin,Piston | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Rear Hanger
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***60 | Hanger,Rear | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Rocker Arm
| 01***65 | Bolt,(For Alternator Bracket Mount) | 8 |
| 61***30 | Circlip | 2 |
| 62***20 | Spring | 5 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Spare Parts (For 25a Alternaotr Reversible Fan Type) (For 13a Alternator)(#100413-)
| 04***32 | V-Belt,(For Trimming Dozer) | 1 |
| 04***53 | V-Belt,(For Add. Air Compressor) | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Starting Motor (5.5kw) (Inner Parts)(#100413-)
| 60***50 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***00 | Bracket,Rear | 1 |
| KD***20 | Spring,Brush | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Starting Motor Mounting (5.5kw)(#100413-)
| 01***30 | Bolt | 2 |
| 07***05 | O-Ring,(Not Used With Emergency Str.) (K2) | 1 |
| (6***0) | Starting Motor Ass'Y,(5.5kw) (See Fig.A6210-B0a5) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Tension Pulley (For 13a Alternator)
| 01***12 | Bolt | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 01***65 | Bolt,(With Water Separator) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Water Pump
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Water Pump (For Reversible Fan)
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : 6d95l-1ac-Tc S/N 96999-Up : Water Pump Pulley (Hardening Pulley) (For Trimming Dozer) (High Altitude Spec.)(#100413-)
| 04***32 | V-Belt,(For Trimming Dozer) | 1 |
| 04***53 | V-Belt,(For Add. Air Compressor) | 1 |
| 62***60 | Pulley? Hardening | 1 |
Accessory
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Accessory : Accessory Parts
| 09***13 | Bag,Tool (D31s) | 1 |
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Accessory : Spare Parts (For Trimming Dozer)(#42001-42722)
| 04***32 | V-Belt,(For Trimming Dozer) | 1 |
| 04***53 | V-Belt,(For Add. Air Compressor) | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Accessory : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***45 | Nozzle, Grease Pump (Non-Flexible Type) | 1 |
Cooling System
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Cooling System : Radiator And Piping(#42001-42722)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 15 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Cooling System : Radiator And Piping(#42723-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 11 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Cooling System : Radiator Sub Tank And Piping(#42001-42722)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 3 |
| 07***69 | Clamp,(Long Type) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Cooling System : Radiator Sub Tank And Piping(#42723-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Electrical System
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Back-Up Buzzer (For Trimming Dozer)(#42001-42722)
| 01***16 | Bolt - Box Mounting | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Back-Up Buzzer (For Trimming Dozer)(#42723-)
| 01***16 | Bolt - Box Mounting | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Back-Up Buzzer(#42723-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***11 | Nut | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Battery
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Battery (For Trimming Dozer) (For China)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Battery (Large Capacity Type)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Battery (Large Capacity Type) (For Trimming Dozer) (For China)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Battery Wiring(#42001-42722)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Battery Wiring(#42723-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Electrical System (Without Engine Stop Motor) (For Trimming Dozer)(#42001-42722)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 15 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Electrical System(#42723-43131)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 3 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Electrical System(#43132-)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Vehicel Lamp (For Canvas Canopy And Head Guard)(#42723-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Electrical System : Vehicel Lamp(#42723-)
| 11***51 | Lamp Ass'Y | 3 |
| 42***30 | Bulb? 70w,24v 70w | 2 |
Engine Related Parts
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Air Cleaner (For Triming Dozer)
| 07***00 | Elbow,(F4320-54a0 -6 ) | 1 |
| 08***00 | Switch,Air Pressure | 1 |
| 10***10 | Pre-Cleaner Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Air Cleaner (Forwarded Individually Parts) (Sandy And Dusty Spec.
| 07***00 | Elbow,(F4320-54a0 -6 ) | 1 |
| 08***00 | Switch,Air Pressure | 1 |
| 28***50 | Nipple | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Corrosion Resistor (Ordering Transferred Parts)
| 60***51 | Cartridge,Corrosion | 1 |
| 60***20 | Valve Assembly | 2 |
| 60***30 | Gasket, Corrosion | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Damper
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***05 | Bolt, Mount Hose Clip | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Engine Mounting Parts(#42001-42722)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Bolt | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Engine Mounting Parts(#42723-)
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Exhaust Pipe (Short Exhaust Pipe)
| 01***15 | Bolt | 1 |
| 01***11 | Nut,(Spark Arrester Spec.) | 2 |
| 61***70 | Washer,(Spark Arrester Spec.) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Fuel Lift Pump (Ordering Transferred Parts)
| 67***11 | Pump,Suction | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Heater Switch (Forwarded Individually Parts)
| 60***70 | Switch,Air Intake Heater | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Spare Parts
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 67***10 | Gasket | 1 |
| 67***11 | Gasket,Air Intake Heater | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Spare Parts (For 35a Alternator)
| 04***39 | V-Belt | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 67***11 | Gasket,Air Intake Heater | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Spare Parts (With Reversible Fan)
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 67***10 | Gasket | 1 |
| 67***11 | Gasket,Air Intake Heater | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Water Separator (Forwarded Individually Parts)
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 4 |
| 07***14 | Joint | 1 |
| 07***14 | Screw, Banjo Connector (M10) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Engine Related Parts : Water Valve (For Car Heater)
| 07***12 | Plug,(For Shipping) (Not Shown) | 1 |
| 07***59 | Clamp,See Fig. K4010-05a0 | 4 |
| 09***00 | Valve | 1 |
Fuel Tank And Related Parts
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Control Lever (With Accelerator Pedal)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Control Lever (With Decelerator Pedal)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Control Lever(#42001-42722)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Piping (With Additional Strainer)(#42001-42722)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Piping (With Additional Strainer)(#42723-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator And Additional Strainer)(#42001-42722)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator And Additional Strainer)(#42723-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator)(#42001-42722)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator)(#42723-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Tank And Piping(#42001-42722)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Fuel Tank And Piping(#42723-)
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
| 01***30 | Screw | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (1/3)(#42001-42722)
| 01***30 | Bolt,(For Mechanical Governor) | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (1/4)(#42723-)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (2/3)(#42001-42722)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (2/4)(#42723-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (3/3)(#42001-42198)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (3/3)(#42199-42722)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 5 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (3/4)(#42723-)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Fuel Tank And Related Parts : Transmission Control Lever (4/4)(#42723-)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Guard
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Guard : Radiator Guard And Hood (For Trimming Dozer) (For China)(#42001-42722)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***50 | Bolt,(With Service Valve R.H.) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Guard : Radiator Guard And Hood (For Trimming Dozer) (For China)(#42723-)
| 01***50 | Bolt,(With Service Valve R.H.) | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Guard : Radiator Guard And Hood (For Trimming Dozer)(#42001-42722)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Guard : Radiator Guard And Hood (For Trimming Dozer)(#42723-)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Guard : Rear Cover And Hydraulic Tank (For Trimming Dozer) (For Chaina)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 20 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Guard : Rops Bracket
| 01***40 | Bolt,(With Center Guard) | 6 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 16 |
| 01***50 | Bolt,(For Tbg/Abe Spec.) | 12 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Guard : Under Guard (For Trimming Dozer)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Capscrew - M14 (1)/(2) | 14 |
| 01***95 | Bolt | 2 |
Hydraulic System
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Hydraulic System : Hydraulic Piping (Lift Cylinder Line) (For Trimming Dozer) (For China)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 1 |
| 01***11 | Nut,(With Under Mirror) | 8 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Hydraulic System : Hydraulic Piping (Tank To Pump To Valve)(#42001-42722)
| 01***40 | Bolt,(With Air Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Hydraulic System : Hydraulic Piping (Tank To Pump)(#42723-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Hydraulic System : Hydraulic Piping (Tilt Cylinder Line) (Chassis Side) (For Trimming Dozer) (For China)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Hydraulic System : Hydraulic Tank And Filter (For Trimming Dozer) (For China)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 11 |
Main Frame And Related Parts
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Main Frame And Related Parts : Cross Bar (For Trimming Dozer) (For China)
| 01***50 | Bolt,(For Tree Pusher) | 8 |
| 01***55 | Bolt,(With Hook) | 8 |
| 01***65 | Bolt | 20 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Main Frame And Related Parts : Steering Case And Main Frame (For Trimming Dozer) (For China)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 9 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Marks And Plates
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Marks And Plates : Marks And Plates (Arabic)(#42723-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Marks And Plates : Marks And Plates (Chinese) (For Trimming Dozer)(#42001-42722)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,Ripper (Limited Supply) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Marks And Plates : Marks And Plates (Chinese) (For Trimming Dozer)(#42723-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***01 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Marks And Plates : Marks And Plates (North America Spec.)(#42723-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Marks And Plates : Marks And Plates (Spanish)(#42723-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (Spanish) | 1 |
Miscellaneous
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Miscellaneous : Lift Cylinder Lock
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
| 10***10 | Rope,Wire | 2 |
Operator'S Compartment And Control System
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Accelerator Pedal
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***45 | Screw | 1 |
| 01***16 | Screw | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Brake Pedal
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***40 | Bolt (Op) | 2 |
| 01***07 | Nut,L.H. Thread (D31s) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Brake Pedal Linkage
| 01***40 | Bolt (Op) | 1 |
| 01***45 | Bolt, Mounting Cranking Motor | 1 |
| 01***07 | Nut,L.H. Thread (D31s) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Canopy (2-Pillar Type)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***45 | Bolt,(With Water Separator Type) | 12 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Canopy (Canvas) (4-Pillar Type)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***50 | Bolt,(For D60pl) | 12 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Decelerator Pedal
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***60 | Capscrew | 1 |
| 01***65 | Bolt,(With Cab) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Fuel Control Lever(#42723-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Fuel Control Linkage (With Accelerator Pedal)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***06 | Nut,L.H. Thread | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Fuel Control Linkage (With Decelerator Pedal)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***06 | Nut,L.H. Thread | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Inching Pedal
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***45 | Bolt, Mounting Cranking Motor | 1 |
| 01***07 | Nut,L.H. Thread (D31s) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Inching Pedal Linkage
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Instrument Panel
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***25 | Screw | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Instrument Panel (With Vandalism Protection)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***25 | Screw | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Loader Frame And Floor Plate
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Loader Frame And Floor Plate (With Decelerator Pedal And Accelerator Pedal)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 21 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type) (Foar Trimming Dozer) (For China)(#42001-42198)
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type) (Foar Trimming Dozer) (For China)(#42199-)
| 01***25 | Bolt,(Rear Attachment Less) | 8 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type)(#42001-42198)
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type)(#42199-)
| 01***25 | Bolt,(Rear Attachment Less) | 8 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper)(#42001-42198)
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper)(#42199-)
| 01***20 | Bolt,(For Mono Lever Steering) | 11 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Rops Canopy
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,(Spanish) (Limited Supply) | 1 |
| 09***00 | Plate? Name,(Rops And Fops)(Ec Regulation) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Seat Suspension (With Oil Damper)(#42199-)
| 01***10 | Nut,(Without Air Conditioner) | 4 |
| 01***16 | Washer,(With Water Separator) | 2 |
| 01***26 | Washer,Plain | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Steering Control Linkage
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***40 | Bolt (Op) | 1 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 3 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Operator'S Compartment And Control System : Work Equipment Control Lever (For Angle Dozer Or Trimming Dozer)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***25 | Bolt,(Rear Attachment Less) | 7 |
| 01***30 | Bolt - M8 X 30lg | 3 |
Power Train And Final Drive
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Bevel Gear And Shaft
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Brake
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 8 |
| 01***26 | Washer,Plain | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Final Drive Case
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 12 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 36 |
| 01***70 | Bolt,(With Wear Guard) | 10 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Final Drive Gear
| 01***30 | Bolt,(With Body Positioner) | 36 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 36 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Oil Cooler Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Sprocket And Shaft
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 32 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 8 |
| 01***13 | Nut - Cylinder Mounting | 24 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Steering Brake Cylinder
| 07***15 | O-Ring,(Without Boom Kickout) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Steering Case Cover
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***40 | Bolt (Op) | 8 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Steering Clutch
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 24 |
| 01***10 | Nut (K10) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 24 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Steering Piping (1/3) (Transmission Line)(#42001-42198)
| 04***70 | Ball,(-40 Deg. Spec.) | 1 |
| 07***23 | O-Ring,(F2320-62a0 -18 ) | 1 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Steering Piping (1/3) (Transmission Line)(#42199-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 04***70 | Ball,(-40 Deg. Spec.) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Steering Piping (2/3) (Steering Clutch Line)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 6 |
| 01***40 | Bolt (Op) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Steering Piping (3/3) (Brake Cylinder Line)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***55 | Bolt,(See Service News) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission (1st Housing) (5/7)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***55 | Screw | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission (2nd Housing) (4/7)
| 04***18 | Ring,Snap (With Emergency Steering) | 1 |
| 10***40 | Plate Ass'Y | 1 |
| 11***51 | Housing,2nd | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission (Case) (1/7)
| 01***65 | Hexagon Bolt | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission (Forward And 3rd Housing) (3/7)
| 04***24 | Pin,Dowel (For No.3 Housing) | 2 |
| 04***15 | Ring,Back-Up | 1 |
| 04***18 | Ring,Snap (With Emergency Steering) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission (Pump) (7/7)
| 01***45 | Screw | 3 |
| 01***55 | Screw | 7 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission (Reverse Housing) (2/7)
| 01***50 | Bolt,(Spark Arrester Spec.) | 1 |
| 04***20 | Ring, Retaining | 1 |
| 04***25 | Ring,Snap (Kit) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission (Transfer) (6/7)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission Valve (Modulation)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***60 | Bolt,(With Body Positioner) | 3 |
| 01***70 | Screw | 5 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Transmission Valve (Selector And Inching)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 8 |
| 01***75 | Capscrew | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Power Train And Final Drive : Universal Joint
| 01***40 | Bolt,(With Air Conditioner) | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
| 07***20 | Plug,Expansion | 1 |
Service Kit And Component Parts
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Control Valve (2-Spool) (1/2) (For Trimming Dozer) (For China)
| 01***20 | Bolt (Itl) | 6 |
| 01***30 | Bolt | 2 |
| 01***30 | Bolt (Itl) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Control Valve (2-Spool) (2/2) (For Trimming Dozer) (For China)
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 2 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 70***61 | O-Ring,(Pc100ss) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Control Valve (3-Spool) (1/2) (For Trimming And Ripper) (For China)
| 01***20 | Bolt (Itl) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Control Valve (3-Spool) (2/2) (For Trimming And Ripper) (For China)
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 3 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 70***61 | O-Ring,(Pc100ss) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Lift Cylinder (For Trimming Dozer) (For China)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 04***20 | Ring, Snap | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Ppc Valve(#42001-42198)
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***12 | Plug,Taper | 5 |
| 70***50 | Ring,Snap | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Ppc Valve(#42199-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***35 | Bolt | 2 |
| 07***20 | O-Ring,Relief Valve | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Ripper Cylinder
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***24 | Nut,Bearing | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Service Kit
| 04***10 | Lock,Holder | 1 |
| 07***08 | O-Ring,(F2320-53a3 -38 ) | 5 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Shoe Bolt And Nut Service Kit
| 11***21 | Shoe Bolt And Nut K | 1 |
| 11***11 | Bolt? Shoe (Y0320-K1) | 50 |
| 11***21 | Nut? Shoe (Y0320-K3) | 50 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Suction And Safety Valve
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 1 |
| 70***60 | O-Ring (Itl) | 1 |
| 70***30 | Ring,Back-Up | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Track Link (Lubricate Type) (Supply Parts)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 11***34 | Track Link Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Track Link (Master Pin Type) (Supply Parts)(#42001-42181)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***26 | Track Link Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Track Link (Master Pin Type) (Supply Parts)(#42182-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***27 | Track Link Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Trimming Cylinder(#42001-42713)
| 01***24 | Nut,Bearing | 1 |
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
| 07***85 | O-Ring,(For Snow Removing) | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Trimming Cylinder(#42714-)
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***09 | Nut,(With Body Positioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Service Kit And Component Parts : Work Equipment Pump
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***24 | Pin,Dowel (For No.3 Housing) | 4 |
| 04***18 | Ring, Retaining | 1 |
Under Carriage
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Carrier Roller
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***45 | Bolt,L.H | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Front Idler(#42001-42713)
| 01***30 | Bolt,(For France Noise Suppression) | 12 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***10 | Nut,(Fig.F2820-01a3-12) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Front Idler(#42714-)
| 01***40 | Bolt,(With Service Valve R.H.) | 8 |
| 01***10 | Nut,(Fig.F2820-01a3-12) | 2 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Recoil Spring (For Trimming Dozer)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Frame (For Trinning Dozer) (For China)
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 44 |
| 01***13 | Nut,(For Adjustable Rod) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 46 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Frame (Track Roller)(#42965-)
| 01***50 | Bolt,(For D60pl) | 40 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 40 |
| 07***42 | O-Ring, Between Tube And Divider Valve | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Frame (With Mono Block Type Track Roller Guard) (For Trimming Dozer) (For China)(#42965-)
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 52 |
| 01***13 | Nut,(For Adjustable Rod) | 6 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 58 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Frame (With Separate Type Track Roller Guard) (For Trimming Dozer) (For China)(#42965-)
| 01***30 | Bolt - M14 X 30lg | 16 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 52 |
| 01***13 | Nut,(For Adjustable Rod) | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Frame Cover (For Trimming Dozer)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 12 |
| 01***32 | Washer,(With Auto Emergency Steering) | 12 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Guard (For Mono Block Type)(#42001-42964)
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 52 |
| 01***13 | Nut,(For Adjustable Rod) | 6 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 58 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Guard (For Separate Type)
| 01***30 | Bolt - M14 X 30lg | 16 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 52 |
| 01***13 | Nut,(For Adjustable Rod) | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Guard(#42001-42964)
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 44 |
| 01***13 | Nut,(For Adjustable Rod) | 2 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 46 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Roller(#42001-42591)
| 01***30 | Bolt,(With Body Positioner) | 12 |
| 01***45 | Bolt,(For 60ton Dump Body) | 40 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 12 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Roller(#42592-42964)
| 01***50 | Bolt,(For D60pl) | 40 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 40 |
| 07***42 | O-Ring, Between Tube And Divider Valve | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Lubricate Type) (Semi-Double Grouser With Hole) (400mm Wide) (For Trimming Dozer)(#42001-42181)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 11***56 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser With Hole) (400mm Wide) (For Trimming Dozer)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 11***48 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Lubricate Type) (Triple Grouser With Hole) (400mm Wide) (For Trimming Dozer)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 11***67 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Master Pin Type) (Semi-Double Grouser With Hole) (400mm Wide) (For Trimming Dozer)(#42001-42181)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***06 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Master Pin Type) (Semi-Double Grouser With Hole) (400mm Wide) (For Trimming Dozer)(#42182-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***07 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Master Pin Type) (Single Grouser With Hole) (400mm Wide) (For Trimming Dozer)(#42001-43112)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***08 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Master Pin Type) (Single Grouser With Hole) (400mm Wide) (For Trimming Dozer)(#43113-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***20 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Master Pin Type) (Triple Grouser With Hole) (400mm Wide) (For Trimming Dozer)(#42001-42181)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***07 | Track Shoe Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Under Carriage : Track Shoe (Master Pin Type) (Triple Grouser With Hole) (400mm Wide) (For Trimming Dozer)(#42182-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***08 | Track Shoe Ass'Y | 1 |
Work Equipment
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Hitch
| 01***60 | Bolt, Mount Pole | 2 |
| 01***60 | Flat Washer - M20 (Hardened) | 2 |
| 11***20 | Hitch Ass'Y | 1 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Hydraulic Piping (Ripper Cylinder Line)
| 07***06 | Hose,(D21s) (Tbg Spec.) | 2 |
| 07***15 | Nut,(For Shipping And Storage) | 2 |
| 07***12 | Plug,(For Shipping And Storage) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Hydraulic Piping (Tilt Cylinder Line) (Dozer Side) (For Trimming Dozer) (For China)(#42001-42713)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 20 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Hydraulic Piping (Tilt Cylinder Line) (Dozer Side) (For Trimming Dozer) (For China)(#42714-)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Rear Guard (For Trimming Dozer)
| 01***55 | Bolt,(With Hook) | 8 |
| 01***80 | Bolt,(For 100kg) | 2 |
| 01***60 | Flat Washer - M20 (Hardened) | 10 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Ripper (For Trimming Dozer) (For China)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Trimming Dozer Blade (Inside) (For China)(#42001-42713)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 18 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 18 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Trimming Dozer Blade (Inside) (For China)(#42714-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 18 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 18 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Trimming Dozer Frame (Inside) (For China)(#42001-42713)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***40 | Bolt,(With Center Guard) | 8 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 12 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Trimming Dozer Frame (Inside) (For China)(#42714-)
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***45 | Bolt,(For 60ton Dump Body) | 12 |
| 01***45 | Bolt,(For L=529mm Pin) | 4 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Trimming Dozer Frame Linkage (Inside) (For China)(#42001-42713)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***40 | Bolt,(With Center Guard) | 6 |
Komatsu : D31e-20(S/N 42001-Up (For China / Trimming Dozer)) : Work Equipment : Trimming Dozer Frame Linkage (Inside) (For China)(#42714-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 6 |
D31E-20(S/N 42001-UP (For China / Trimming Dozer)) serial number reference
The PIN plate is located on the front frame casting, typically near the operator's left side. To read the prefix, identify the first three characters of the serial number; for this model, 'D31' represents the machine family and size class.
| Prefix | Identifies | Notes |
|---|---|---|
| D31 | D31E-20 (For China / Trimming Dozer) | Identifies the crawler dozer family and size class. This specific configuration is designated for use as a trimming doer in the China market with serial numbers 42001 and up. |
Frequently asked questions
What engine powers this specific D31E-20 configuration?
The machine is equipped with a Komatsu S4D102E turbocharged 4-cylinder engine, providing 70 hp (52.2 kW) at 2350 rpm.
What is the total operating weight of the unit?
The operating weight for this model is approximately 13,867.1 lb (6,290 kg), though some configurations may vary between 6,655 kg and 7,205 kg.
What machine replaced the D31E-20 series?
The D31E-20 was part of a lineage that transitioned into more modern, higher-efficiency generations like the D31EX-21, which features updated emissions and telematics.
What D31E-20(S/N 42001-UP (For China / Trimming Dozer)) owners discuss
What are the known transmission and hydraulic issues for this specific D31E-20 configuration?
Operators report potential airlocks in the transmission pump after long periods of idling. This is often caused by a faulty shaft seal on the transmission pump that allows air ingestion instead of oil. Additionally, some units exhibit weak left steering and slow blade response. Note that hydraulic fittings for this machine are proprietary, which can make sourcing aftermarket hoses difficult at standard facilities.
How does the engine configuration differ between early and later serial ranges for the D31E-20?
Engine specifications vary by serial range. Early units (below S/N 42714) utilize a naturally aspirated straight-six 6D95L-1 engine. Later units (S/N 42714 and up) are equipped with a turbocharged 4-cylinder S4D102E engine, which is a Cummins 4BT licensed design.
What undercarriage specifications should be noted for the D31E-20?
The machine features a track gauge of approximately 57.6 in (1463 mm) and uses 37 shoes per side with a standard shoe size of 13 in (330 mm). The undercarriage includes 5 track rollers per side.
What are the primary fluid capacities for maintenance on this machine?
Standard capacities include: Engine oil: 3.7 L to 4 L (1 gal to 1.05 gal); Cooling system: 5.9 L to 6 L (1.56 gal to 1.58 gal); Fuel tank: 115 L to 115.1 L (30 gal to 30.4 gal); Final drives: 9.5 L to 10 L (2.5 gal to 2.63 gal); and Powertrain fluid: 13 L (3.44 gal).
What should be checked when inspecting a used D31E-20 (S/N 42001-UP) Trimming Dozer for purchase?
Verify the exact serial number on the machine plate to confirm if it is the China-specific Trerming Dozer configuration. Inspect the transmission pump shaft seal for signs of air ingestion and check the condition of the hydraulic fittings, as they are proprietary. For units in the 42714-up range, verify the turbocharger performance. If there is any suspicion of transmission pump airlock or seal failure, have your dealer verify.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu D31E-20(S/N 42001-UP (For China / Trimming Dozer)). Related factory variants of the same model family:
D31E-20(S/N 42001-UP)D31E-20(S/N 42001-UP (Trimming Dozer))
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