Komatsubulldozersmall ( - d39)
Komatsu D31Q-20(S/N 41001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D31Q-20 (S/N 41001-UP) is a crawler loader in the compact earthmoving class, powered by the Komatsu S4D102E engine. This machine features an operating weight of approximately 15,697 lb (7,120 kg) and provides net power of 69.8 hp (52 kW). Part of the D31 series lineage, it is configured with a 1.1 yd³ (0.8 m³) heaped bucket capacity and an engine displacement of 239.3 cu in (4 L).
The transition to the -20 series brought refinements in operational efficiency and operator comfort compared to earlier D31 generations. In today's used equipment market, this model remains a significant asset due to its balance of compact dimensions and robust performance. Its value is sustained by the availability of Komatsu-specific maintenance programs and telematics, which allow for precise tracking of engine health and component wear.
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 D31Q-20(S/N 41001-UP) specifications
Engine
| Engine Model | S4D102E |
| Net Power | 69.8 hp (52 kW) |
| Power Measured @ | 2350 rpm |
| Displacement | 239.3 cu in (4 L) |
Weights
| Operating Weight | 15697 lb (7120 kg) |
| Static Tipping Load | 9766.5 lb (4430 kg) |
Dimensions
| Length With Bucket On Ground | 13.1 ft in (3990 mm) |
| Width To Outside Of Tracks | 7.39 ft in (2250 mm) |
| Height To Top Of Cab | 8.85 ft in (2695 mm) |
| Clearance At Full Height And Dump | 8.67 ft in (2640 mm) |
| Reach At Dump Height | 2.47 ft in (750 mm) |
Undercarriage
| Track Gauge | 64.97 in (1s650 mm) |
| Length Of Track On Ground | 6.17 ft in (1880 mm) |
| Number Of Track Rollers Per Side | 5 |
| Track Shoe Width | 23.63 in (600 mm) |
| Ground Pressure | 4.41 psi (30.4 kPa) |
Performance
| Max Speed | 4.1 mph (6.5 km/h) |
| Breakout Force - Std Bucket | 15000 lb (66.8 kN) |
| Bucket Capacity - Heaped | 1.1 yd3 (0.8 m3) |
Service Capacities
| Fuel Capacity | 3/30.4 gal (115 L) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D31Q-20(S/N 41001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Fuel Tank | 115 L (30.4 gal) | Not specified |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D31Q-20(S/N 41001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the D31Q-20(S/N 41001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize oil wear analysis at 500-hour intervals to monitor the S4D102E engine and hydraulic systems. Regular sampling detects early signs of component fatigue or contamination. Integrate telematics data to track fuel consumption and fault codes, allowing for proactive adjustments before mechanical failures occur. Monitoring fluid health is critical for protecting the 4 L displacement engine and maintaining hydraulic efficiency.
Corrective & Common Repairs
Address common issues such as track tension loss or hydraulic pressure drops by inspecting the undercarriage and pump systems. If the machine experiences power loss during digging, check for fuel system blockages or hydraulic return filter restrictions. Ensure all electrical connections are secure to prevent sensor-related fault codes. Always refer to the workshop manual for specific torque values when repairing the chassis or engine components.
Overhaul & Rebuild Points
Major service milestones include a 2,000-hour hydraulic oil change and coolant flush to prevent system degradation. During long-term rebuilds, focus on evaluating the final drive oil condition and inspecting the turbocharger for wear. Comprehensive component evaluation should include checking structural integrity of the frame and measuring undercarriage wear on track rollers and shoes to determine if a full undercarriage replacement is required.
Seasonal & Environment Servicing
In high-dust environments, increase frequency of air filter inspections and cleaning. During cold weather operations, verify battery service and coolant freeze protection levels. For machines operating in heavy mud, prioritize cleaning the undercarriage to prevent debris buildup on track rollers and idlers. Ensure all grease points are serviced regularly to protect moving parts from abrasive environmental contaminants.
D31Q-20(S/N 41001-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 600-311-1190 | Plate? Caution,Fuel Filter | Fuel system service | Check fitment → |
| 600-311-7440 | Cartridge,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 → |
| 09637-30262 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D31Q-20(S/N 41001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power malfunction | ECM power connections, fuses, or ground wires failure | Inspect ECM power connections, fuses, or ground wires |
| E11 | Engine protection—output power reduced | High coolant temperature, low oil pressure, or clogged air filter | Check coolant temperature, oil pressure, and air filter |
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring issue, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA451 / CA452 | Common rail pressure error | Malfunction of the fuel rail pressure sensor or pump lines | Diagnose the fuel rail pressure sensor or pump lines |
| CA553 / CA559 | Fuel pressure high/low | Failure of the fuel pump regulator (IMV/PCV) | Evaluate fuel pump regulator (IMV/PCV) |
| DW43KA / DW43KB | Travel speed solenoid open/short circuit | Electrical short or open circuit in the travel speed control solenoid | Replace the solenoid valve |
| DXA8KA / DXA8KB | Front pump EPC solenoid valve circuit fault | Wire chafing or electrical short in the circuit | Inspect for wire chafing or shorting |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D31Q-20(S/N 41001-UP) attachments & work tools
Blades
Verify with your dealer for this exact serial range.
Rippers
Multi-shank parallelogram style ripper available; includes 2 cylinders, 3 shanks, and 3 tips. Total weight is 720 kg (1587 lb) with dimensions of 1.7 m (5.58 ft) length, 1.3 m (4.27 ft) width, and 0.8 m (2.62 ft) height.
Winches
Verify with your dealer for this exact serial range.
Drawbars/counterweights
Counterweight and drawbar options are available; consult the dealer for specific dimensions or weights for the D31Q-20 (S/N 41001-UP).
Cab/ROPS guarding options
Window Guard and Screen & Sweep / Guard attachments are available for this machine class.
Hydraulic arrangement notes
Ripper configuration utilizes 2 cylinders; cylinders must be installed in a non-contaminated hydraulic system to maintain warranty.
All D31Q-20(S/N 41001-UP) assemblies by section
Every catalogued assembly group for the Komatsu D31Q-20(S/N 41001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
6d95l-1ac-S S/N 96999-Up
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Cleaner
| 01***30 | Screw | 2 |
| 01***06 | Nut | 6 |
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Cleaner (Air Connector Elbow Type)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 07***09 | Clamp,(With Cylinder Cover) | 2 |
| 60***11 | Washer,Seal (K26) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Cleaner (High Altitude Spec.)
| 01***20 | Bolt,(For Japan Pc200) | 4 |
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 07***09 | Clamp, Hose - At Water Pump | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Cleaner (With Extension)
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
| 07***09 | Clamp,(With Cylinder Cover) | 2 |
| 60***11 | Washer,Seal (K26) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Intake (For 13a? 25a Alternator)
| 01***30 | Screw | 10 |
| 01***70 | Bolt | 4 |
| 01***85 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Intake (For 15a Alternator With Water Separator) (Noise Suppression Spec.)
| 01***30 | Screw | 10 |
| 01***70 | Bolt | 4 |
| 01***85 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Intake (For 15a Alternator)
| 01***30 | Screw | 10 |
| 01***70 | Bolt | 6 |
| 01***85 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Intake (For 15a Alternator) (Air Connector Elbow Type)
| 01***10 | Bolt (M10x1.50x10) | 4 |
| 01***30 | Screw | 10 |
| 01***85 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Intake (High Altitude Spec.)
| 01***30 | Screw | 11 |
| 01***70 | Bolt | 2 |
| 01***85 | Bolt | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Air Intake (With Water Separator)
| 01***10 | Bolt (M10x1.50x10) | 2 |
| 01***30 | Screw | 10 |
| 01***85 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Alternator (13a) (With Hardening Pulley) (Inner Parts)
| 60***71 | Alternator A. (13a),(With Hardening Pulley) | 1 |
| KD***31 | Bushing,Insulator | 2 |
| KD***80 | Packing | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Alternator (15a) (With Non Hardening Pulley) (Inner Parts)
| 60***50 | Alternator A. (15a) | 1 |
| KD***70 | Cover | 1 |
| KD***30 | Retainer | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Alternator (25a) (With Non Hardening Pulley) (Inner Parts)
| 60***40 | Alternator A. (25a) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***11 | Rear Bracket Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Alternator Mounting (13a) (With Hardening Pulley)
| 01***50 | Bolt | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Alternator Mounting (15a) (With Non Hardening Pulley)
| 01***35 | Screw | 1 |
| 01***55 | Bolt | 1 |
| 01***06 | Nut | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Alternator Mounting (25a) (With Non Hardening Pulley)
| 01***50 | Bolt | 1 |
| 01***40 | Bolt,(Shim 3-Piece) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 06***06 | Bearing | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Cooling Fan
| 01***45 | Bolt | 6 |
| 01***30 | Screw | 6 |
| 60***20 | Fan,Cooling | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Cooling Fan (Reversible Fan Type)
| 01***45 | Bolt | 6 |
| 01***30 | Screw | 6 |
| 60***10 | Fan,(Reversible Type) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Crank Pulley (Non Hardening Pulley) (For 15a? 25a Alternator)
| 01***45 | Bolt,Nylock | 1 |
| 61***20 | Collar,Taper | 1 |
| 61***31 | Plate | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Crank Pulley (Non Hardening Pulley) (High Altitude Spec.)
| 01***45 | Bolt,Nylock | 1 |
| 61***20 | Collar,Taper | 1 |
| 61***31 | Plate | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Cylinder Block (High Altitude Spec.)
| 04***20 | Pin,Dowel (Welded) | 2 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***08 | Adapter Sleeves | 6 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Cylinder Block Gasket Kit (High Altitude Spec.)
| 01***12 | Washer,Lock? Injection Gear | 1 |
| 01***16 | Washer,Lock? Injection Gear | 1 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Cylinder Head
| 01***32 | Washer, (Without Emergency Steering) | 25 |
| 02***04 | Plug, Pipe | 1 |
| 07***08 | Plug, Expansion | 6 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Cylinder Head (High Altitude Spec.)
| 01***32 | Washer, (Without Emergency Steering) | 25 |
| 02***04 | Plug, Pipe | 1 |
| 07***08 | Plug, Expansion | 6 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Cylinder Head Gasket Kit (High Altitude Spec.)
| 07***18 | O-Ring,Turbocharger Lubricating Pipe | 1 |
| 08***14 | Band,(For Additional Fuel Strainer) | 2 |
| 08***19 | Band,(Without Air Conditioner) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Damper
| 01***16 | Bolt,(With Alternator Cover Type) | 6 |
| 62***00 | Damper,(Except Japan Pc200) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Exhaust Manifold
| 01***25 | Grub Screw | 4 |
| 01***45 | Bolt, Bracket Mounting | 12 |
| 61***50 | Nut | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Exhaust Manifold (High Altitude Spec.)
| 01***25 | Grub Screw | 4 |
| 01***90 | Bolt,(For Large Fan) | 12 |
| 07***08 | Plug,(For W/O. Corrosion Resistor) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Flywheel
| 01***30 | Bolt | 6 |
| 06***04 | Bearing,Ball | 1 |
| 62***10 | Washer | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Front Cover
| 01***16 | Bolt | 2 |
| 01***16 | Screw | 3 |
| 01***65 | Bolt,(For 35a? 25a Alternator) | 15 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Front Cover (With Cover)
| 01***16 | Bolt | 2 |
| 01***20 | Bolt,(With Tachometer Outlet) | 9 |
| 01***16 | Screw | 3 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Front Hanger (For 15a Alternator)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***30 | Hanger,Front (W/O Corrosion Resistor) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Filter (For 15a Alternator)
| 01***20 | Bolt | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 6 |
| 07***14 | Bolt,Joint | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Filter (High Altitude Spec.)
| 01***75 | Bolt,(For Shipping) | 2 |
| 01***00 | Bolt | 2 |
| 01***16 | Washer,(With Water Separator) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Feed Pump) (High Altitude Spec.) (Inner Parts)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Feed Pump) (Inner Parts)(#100413-)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***10 | Feed Pump Ass'Y,(Not Shown) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Governor) (1/2) (High Altitude Spec.) (Inner Parts)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***80 | Nut | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)(#100413-)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***30 | Governor Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Governor) (2/2) (High Altitude Spec.) (Inner Parts)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***20 | Cover | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)(#100413-)
| DK***40 | Gasket,Air Compressor | 2 |
| DK***00 | Nut,Cap | 1 |
| DK***00 | Bushing | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Pump) (1/2) (High Altitude Spec.) (Inner Parts)
| 62***52 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)(#100413-)
| 62***30 | Injection Pump Ass'Y | 1 |
| DK***30 | Key,Woodruff | 1 |
| DK***30 | Bearing | 0 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Pump) (2/2) (High Altitude Spec.) (Inner Parts)
| 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump (Pump) (2/2) (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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump Mounting (High Altitude Spec.)
| 01***35 | Grub Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Injection Pump Mounting(#100413-)
| 01***35 | Grub Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Return (For 13a? 25a Alternator) (Noise Suppression Spec.)
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 04***10 | Clip,(With Accumulator) | 2 |
| 07***05 | Tube | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Return (For 15a Alternator)
| 07***00 | Clip | 3 |
| 62***00 | Tube,Spill | 1 |
| 62***90 | Tube,Spill | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Fuel Return (High Altitude Spec.)
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***50 | Bolt,(For Shipping) | 1 |
| 01***85 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Head Cover (High Altitude Spec.)
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 04***50 | Screw | 4 |
| 07***09 | Clamp,(See Fig. K0210-16a0) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Idler Gear
| 01***75 | Bolt - Cab To Rops | 1 |
| 04***20 | Ring, Snap | 1 |
| 06***06 | Bearing | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Injection Nozzle
| 01***35 | Bolt, Mount Bracket To Floor | 6 |
| 07***00 | Clip | 11 |
| 62***10 | Carrier | 6 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Injection Piping
| 01***25 | Screw | 4 |
| 61***30 | Clip | 1 |
| 62***00 | Clip Ass'Y | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Muffler
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Muffler (Catalyzer Type)(#100413-)
| 01***15 | Bolt | 1 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Muffler (High Altitude Spec.)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 3 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 3 |
| 01***45 | Bolt, Bracket Mounting | 3 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Muffler (Noise Suppression Spec.)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Muffler (With Spark Arrester Catalyzer Type)(#100413-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Muffler (With Spark Arrester)(#100413-)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***16 | Screw | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Muffler Piping (High Altitude Spec.)
| 01***80 | Bolt, Mount Strainer Flange | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Name Plate And Caution (French-English)
| 09***62 | Plate? Instruction,Air Cleaner (Double Element) | 1 |
| 60***90 | Plate? Caution,(French-English) | 1 |
| 60***50 | Plate? Caution,(French-English) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Name Plate And Caution (German-English)
| 09***61 | Plate? Instruction,(German-English) (Not Shown) | 1 |
| 60***80 | Plate? Caution,(German-English) | 1 |
| 60***40 | Plate? Caution,(German-English) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Name Plate And Caution (Indonesian-English)
| 09***61 | Plate? Instruction,(Indonesian-English)(Not Shown | 1 |
| 60***50 | Plate? Caution,(Indonesian-English) | 1 |
| 60***20 | Plate? Caution,(English-Indonesian) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Name Plate And Caution (Italian-English)(#100413-)
| 09***61 | Plate? Instruction,(Italian-English) (Not Shown) | 1 |
| 60***20 | Plate? Caution,(Italian-English) | 1 |
| 60***50 | Plate? Caution,(Italian-English) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Name Plate And Caution (Spanish-English)
| 09***61 | Plate? Instruction,(Spanish-English) (Not Shown) | 1 |
| 60***70 | Plate? Caution,Oil Filter And Bypass Filter | 1 |
| 60***30 | Plate? Caution,(Spanish-English) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Oil Level Gauge
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***20 | Screw | 1 |
| 01***06 | Nut | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Oil Level Gauge (High Altitude Spec.)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 01***06 | Nut | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Oil Pan And Suction Tube
| 01***16 | Bolt, Mount Solenoid Valve | 30 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Oil Pan And Suction Tube (High Altitude Spec.)
| 01***16 | Bolt, Mount Solenoid Valve | 30 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Oil Pump
| 01***16 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 62***10 | Valve | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Oil Pump (High Altitude Spec.)
| 01***16 | Screw | 3 |
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
| 62***10 | Valve | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Rear Hanger
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***60 | Hanger,Rear | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Rocker Arm
| 01***65 | Bolt,(For Alternator Bracket Mount) | 8 |
| 61***30 | Circlip | 2 |
| 62***20 | Spring | 5 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Safety Guard (For 25a Alternator)
| 01***16 | Bolt, Mount Solenoid Valve | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 61***50 | Spacer | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Spare Parts (For 15a Alternator)
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***40 | Cartridge,Fuel Filter | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Spare Parts (For 25a Alternator)(#100413-)
| 04***34 | V-Belt,(Tropical Sandy? Dusty Spec.) | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Starting Motor (5.5kw) (Inner Parts)
| 60***50 | Starting Motor Ass'Y,(5.5kw) | 1 |
| KD***30 | Bracket,Center | 1 |
| KD***20 | Cneter Bracket A | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Starting Motor Mounting (5.5kw)
| 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-B0a2) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Stop Motor
| 01***16 | Bolt | 3 |
| 01***20 | Bolt,(With Tachometer Outlet) | 1 |
| 01***20 | Screw | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Tension Pulley (For 25a Alternator)
| 01***65 | Bolt, Mount Tube To Divider Valve | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 01***06 | Nut | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Turbocharger (High Altitude Spec.) (Inner Parts)
| 62***20 | Turbocharger Ass'Y | 1 |
| GA***16 | Bolt | 6 |
| GA***64 | Housing,Turbine | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Turbocharger Oil Piping (High Altitude Spec.)
| 01***16 | Screw | 5 |
| 01***20 | Screw | 4 |
| 01***06 | Nut | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Pump
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Pump (For Reversible Fan)
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S 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 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Pump Pulley (Non Hardening Pulley) (For 13a?25a Alternator)(Noise Suppression Spec.)
| 04***34 | V-Belt,(Tropical Sandy? Dusty Spec.) | 1 |
| 62***10 | V-Belt,Fan Drive | 1 |
| 62***80 | Pulley?Non Hardening,(Tropical Sandy? Dusty Spec.) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Pump Pulley (Non Hardening Pulley) (For 25a Alternator)
| 04***32 | V-Belt,(For Trimming Dozer) | 1 |
| 04***53 | V-Belt,(For Add. Air Compressor) | 1 |
| 62***61 | Pulley?Non Hardening,(For Japan Pc200) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Pump Pulley (Non Hardening Pulley) (One-Groove Pulley) (For 15a Alternator)
| 62***80 | Pulley?Non Hardening | 1 |
| 62***10 | V-Belt,Fan Drive | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Pump Pulley (Non Hardening Pulley) (Two-Groove Pulley) (For 15a Alternator)(#100413-)
| 04***54 | V-Belt,(For 75a Alternator) | 1 |
| 62***90 | Pulley?Non Hardening | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Separator (For 13a? 25a Alternator)
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 01***10 | Bolt | 2 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 6d95l-1ac-S S/N 96999-Up : Water Separator (For 15a Alternator)
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 01***10 | Bolt | 2 |
| 01***15 | Bolt,(With Water Separator) | 2 |
Accessory
Komatsu : D31q-20(S/N 41001-Up) : Accessory : Accessory Parts
| 09***13 | Bag,Tool (D31s) | 1 |
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Accessory : Spare Parts (For 13a Or 25a Alternator)(#41001-41183)
| 04***34 | V-Belt,(Tropical Sandy? Dusty Spec.) | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Accessory : Spare Parts (For 35a Alternator)(#41184-)
| 04***39 | V-Belt | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Accessory : Spare Parts (Noise Suppression For Ec) (For 25a Alternator)(#41001-41183)
| 04***33 | V-Belt | 1 |
| 04***54 | V-Belt,(For 75a Alternator) | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Accessory : Spare Parts (Noise Suppression For Ec)(#41001-41183)
| 04***54 | V-Belt,(For 75a Alternator) | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Accessory : Spare Parts(#41001-41183)
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Accessory : Spare Parts(#41184-)
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Cooling System : Radiator And Piping(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Cooling System : Radiator And Piping(#41184-)
| 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 : D31q-20(S/N 41001-Up) : Cooling System : Radiator And Piping(For 25a Alternator Or Sealed Type Alternator)(#41001-41183)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 14 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***60 | Bolt, Mount Tube To Switch Pump | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Cooling System : Radiator And Piping(For 25a Alternator Or Sealed Type Alternator)(#41184-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 13 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : D31q-20(S/N 41001-Up) : Cooling System : Radiator Sub Tank And Piping(#41001-41183)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 3 |
| 07***69 | Clamp,(Long Type) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Cooling System : Radiator Sub Tank And Piping(#41184-)
| 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 |
Komatsu : D31q-20(S/N 41001-Up) : Cooling System : Sandy Dusty Protection Grid(#41184-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 11***40 | Grid,Core | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Cooling System : Tip Clearance Cover (Reversible Fan Spec.)(#41184-)
| 11***70 | Cover,Upper | 1 |
| 11***80 | Cover,Lower | 1 |
Electrical System
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Back-Up Alarm(#41001-41183)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***20 | Screw | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Back-Up Alarm(#41184-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***20 | Screw | 4 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Back-Up Buzzer(#41184-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***11 | Nut | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Electrical System : Battery Wiring(#41001-41183)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Battery Wiring(#41184-)
| 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 : D31q-20(S/N 41001-Up) : Electrical System : Electrical System (2/2) (With Engine Stop Motor) (Noise Suppression For Ec)(#41001-41183)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt - Box Mounting | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Electrical System (2/2) (Without Engine Stop Motor) (With Turbocharger)(#41001-41183)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 13 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Electrical System (2/2) (Without Engine Stop Motor) (For 25a Alternator And Turbocharger)(#41001-41183)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Electrical System (2/2) (Without Engine Stop Motor) (For 25a Alternator)(#41001-41183)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Electrical System (2/2) (Without Engine Stop Motor)(#41001-41183)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 13 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Electrical System (2/2)(With Engine Stop Motor)(F/25a Alternator)(Noise Suppression For Ec)(#41001-41183)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt - Box Mounting | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Electrical System(#41184-41277)
| 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 : D31q-20(S/N 41001-Up) : Electrical System : Electrical System(#41278-)
| 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 : D31q-20(S/N 41001-Up) : Electrical System : Vehicel Lamp (For Canvas Canopy And Head Guard)
| 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 : D31q-20(S/N 41001-Up) : Electrical System : Vehicel Lamp (For Rops Cab)
| 08***01 | Clip,(With Cab) | 1 |
| 11***40 | Wire Ass'Y,(With Cab) | 1 |
| 11***51 | Lamp Ass'Y | 3 |
Komatsu : D31q-20(S/N 41001-Up) : Electrical System : Vehicle Lamp
| 11***51 | Lamp Ass'Y | 3 |
| 42***30 | Bulb? 70w,24v 70w | 2 |
Engine Related Parts
Komatsu : D31q-20(S/N 41001-Up) : Engine Related Parts : Air Cleaner (Forwarded Individually Parts)
| 07***00 | Elbow,(F4320-54a0 -6 ) | 1 |
| 08***00 | Switch,Air Pressure | 1 |
| 28***50 | Nipple | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Engine Related Parts : Corrosion Resistor (Ordering Transferred Parts)
| 60***51 | Cartridge,Corrosion | 1 |
| 60***20 | Valve Assembly | 2 |
| 60***30 | Gasket, Corrosion | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Engine Related Parts : Engine Mounting Parts (Noise Suppression For Ec)(#41001-41183)
| 01***20 | Bolt | 4 |
| 11***20 | Washer | 8 |
| 11***10 | Cushion | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Engine Related Parts : Engine Mounting Parts (With Water Separator)(#41184-)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Engine Related Parts : Engine Mounting Parts(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Engine Related Parts : Engine Mounting Parts(#41184-)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Engine Related Parts : Exhaust Pipe
| 01***11 | Nut,(Spark Arrester Spec.) | 2 |
| 61***20 | Bolt | 1 |
| 61***10 | Clamp,(Europe Spec.) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Engine Related Parts : Heater Switch (Forwarded Individually Parts)
| 60***70 | Switch,Air Intake Heater | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Engine Related Parts : Spare Parts (Noise Suppression Spec. For E.C.)
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 67***10 | Gasket | 1 |
| 67***11 | Gasket,Air Intake Heater | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Control Lever(#41001-41183)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Piping (With Additional Strainer)(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Piping (With Additional Strainer)(#41184-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator And Additional Strainer)(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator And Additional Strainer)(#41184-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator)(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Piping (With Water Separator)(#41184-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Tank And Piping (With Frp Canopy)(#41001-41183)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***40 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Tank And Piping (With Frp Canopy)(#41184-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***40 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Tank And Piping (With Rops Cab)(#41001-41183)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***40 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Fuel Tank And Piping (With Rops Cab)(#41184-)
| 01***30 | Screw | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***40 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (1/2)(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (1/4)(#41184-)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (2/2)(#41001-41183)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (2/4)(#41184-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (3/3)(#41001-41054)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (3/3)(#41055-41183)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 5 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (3/4)(#41184-)
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Screw | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Fuel Tank And Related Parts : Transmission Control Lever (4/4)(#41184-)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Guard
Komatsu : D31q-20(S/N 41001-Up) : Guard : Radiator Guard And Hood (Noise Suppression For Ec)(#41001-41183)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Radiator Guard And Hood (With Hinge Mask Reinforced Type)(#41001-41183)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 11 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Radiator Guard And Hood (With Hinge Mask Reinforced Type)(#41184-)
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Radiator Guard And Hood (With Turbocharger)(#41001-41183)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Radiator Guard And Hood(#41001-41183)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Radiator Guard And Hood(#41184-)
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 11 |
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Rear Cover And Hydraulic Tank
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Rear Cover And Hydraulic Tank (For 4-Piller Type Canopy And Vandalism Protection)
| 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 : D31q-20(S/N 41001-Up) : Guard : Rear Cover And Hydraulic Tank (With Rops Cab)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 20 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Rops Bracket
| 01***40 | Bolt,(With Center Guard) | 6 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 28 |
| 01***60 | Bolt,(For Ripper) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Under Guard
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 14 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Under Guard (Noise Suppression For Ec)(#41001-41183)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 14 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Under Guard (Strengthened Type) (Noise Suppression For Ec)(#41001-41183)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 14 |
| 01***50 | Bolt,(Shim Thickness?Less Than 8mm) | 6 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Under Guard (With Front Pull Hook)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Capscrew - M14 (1)/(2) | 16 |
| 01***50 | Capscrew | 6 |
Komatsu : D31q-20(S/N 41001-Up) : Guard : Under Guard (With Front Pull Hook) (Noise Suppression For Ec)(#41001-41183)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 14 |
| 01***50 | Bolt,(Shim Thickness?Less Than 8mm) | 6 |
Hydraulic System
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Bucket Positioner
| 01***30 | Screw | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***40 | Bolt (Op) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Dump Cylinder Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***40 | Bolt (Op) | 2 |
| 01***11 | Nut,(With Under Mirror) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Dump Cylinder Line) (Tbg Spec.)(#41001-41183)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***40 | Bolt (Op) | 2 |
| 01***11 | Nut,(With Under Mirror) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Lift Cylinder Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***45 | Bolt,(With Water Separator Type) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Pump To Valve) (For Multi Purpose Bucket)(#41184-)
| 01***40 | Screw, Hex Socket | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***70 | Bolt - Accumulator Mounting Bracket | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Pump To Valve)(#41184-)
| 01***40 | Screw, Hex Socket | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***70 | Bolt - Accumulator Mounting Bracket | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Tank To Pump To Valve) (Tbg Spec.)(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Tank To Pump To Valve)(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Piping (Tank To Pump)(#41184-)
| 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 : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Tank And Filter
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 5 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Tank And Filter (For Bucket Positioner)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 5 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Hydraulic System : Hydraulic Tank And Filter (With Rops Cab) (Noise Suppression For Ec)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 5 |
| 01***16 | Bolt - Starting Motor Ground Cable | 2 |
Main Frame And Related Parts
Komatsu : D31q-20(S/N 41001-Up) : Main Frame And Related Parts : Cr0ss Bar
| 01***50 | Bolt,(For Tree Pusher) | 28 |
| 01***55 | Bolt,(With Hook) | 8 |
| 01***60 | Flat Washer - M20 (Hardened) | 36 |
Komatsu : D31q-20(S/N 41001-Up) : Main Frame And Related Parts : Cross Bar (Tbg Spec.)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Bolt,(For Tree Pusher) | 26 |
| 01***55 | Bolt,(With Hook) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Main Frame And Related Parts : Steering Case And Main Frame
| 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 : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (English) (Noise Suppression For Ec)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (English) (Noise Suppression For Ec)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,Machine (Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (English)(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (English)(#41184-)
| 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 : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (French) (Noise Suppression For Ec)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (For France) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (French) (Noise Suppression For Ec)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (For France) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (French)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (Ex. France) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (French)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (Ex. France) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (German) (Noise Suppression For Ec)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (German) (Noise Suppression For Ec)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (German) (Tbg Spec.)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (German)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (German) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (German)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (German) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Indonesian)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Indonesian)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Italian) (Noise Suppression For Ec)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Italian) (Noise Suppression For Ec)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Italian)(#41001-41183)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Italian)(#41184-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Spanish)(#41001-41183)
| 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 |
Komatsu : D31q-20(S/N 41001-Up) : Marks And Plates : Marks And Plates (Spanish)(#41184-)
| 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 : D31q-20(S/N 41001-Up) : Miscellaneous : Bucket Lock
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***13 | Nut,(For Adjustable Rod) | 2 |
Operator'S Compartment And Control System
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Brake Pedal (With Rops Cab)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***40 | Bolt (Op) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Canopy (Canvas)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
| 01***50 | Bolt,(For D60pl) | 12 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Car Heater (1/2)
| 01***16 | Bolt - Box Mounting | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Car Heater (2/2)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***20 | Bolt,(Without Rops Guard? Canopy) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Fuel Control Lever(#41184-)
| 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Head Guard
| 01***45 | Bolt,(For 60ton Dump Body) | 4 |
| 01***55 | Bolt,(Not Used For Chip Dozer) | 4 |
| 01***60 | Capscrew | 8 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Inching Pedal (With Rops Cab)
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***45 | Bolt, Mounting Cranking Motor | 1 |
| 01***07 | Nut,L.H. Thread (D31s) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Loader Frame And Floor Plate
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***35 | Capscrew - M14 (1)/(2) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Loader Frame And Floor Plate (With Decelerator Pedal And Rops Cab)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 17 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Loader Frame And Floor Plate (With Decelerator Pedal)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 21 |
| 01***35 | Capscrew - M14 (1)/(2) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Loader Frame And Floor Plate (With Rops Cab)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 14 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type) (With Rops Cab)(#41001-41054)
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type) (With Rops Cab)(#41055-)
| 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type)(#41001-41054)
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (Rigid Type)(#41055-)
| 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper) (For Reclining)
| 01***20 | Bolt,(For Mono Lever Steering) | 11 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper) (With Rops Cab)(#41001-41054)
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper) (With Rops Cab)(#41055-)
| 01***20 | Bolt,(For Mono Lever Steering) | 11 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper)(#41001-41054)
| 01***20 | Bolt,(For Mono Lever Steering) | 14 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper)(#41055-)
| 01***20 | Bolt,(For Mono Lever Steering) | 11 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Capscrew | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Body) (1/5)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Body) (1/5) (Tbg Spec.)(#41001-41183)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Door And Side Window) (3/5)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***45 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Door And Side Window) (3/5) (Tbg Spec.)(#41001-41183)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***45 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Electrical System) (4/5)
| 01***16 | Bolt - Box Mounting | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Electrical System) (4/5) (Tbg Spec.)(#41001-41183)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Front And Rear Window) (2/5)
| 01***16 | Bolt - Box Mounting | 4 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Front And Rear Window) (2/5) (Tbg Spec.)(#41001-41183)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Mounting Parts) (5/5)
| 01***16 | Bolt - Box Mounting | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 9 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Cab (Mounting Parts) (5/5) (Tbg Spec.)(#41001-41183)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 9 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Rops Canopy
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,(Limited Supply) (Japanese) | 1 |
| 09***00 | Plate? Name,(Spanish) (Limited Supply) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Seat Suspension (With Oildamper)(#41055-)
| 01***10 | Nut,(Without Air Conditioner) | 4 |
| 01***16 | Washer,(With Water Separator) | 2 |
| 01***26 | Washer,Plain | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Operator'S Compartment And Control System : Work Equipment Control Lever
| 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 : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Bevel Gear And Shaft
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 12 |
Komatsu : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Final Drive Gear
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 24 |
| 01***30 | Bolt,(With Body Positioner) | 12 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 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) | 6 |
Komatsu : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Oil Cooler Piping (With Hinge Mask Reinforced Type)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***30 | Bolt,(With Body Positioner) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Sprocket And Shaft
| 01***30 | Bolt,(Not Used When Towing Winch) | 8 |
| 01***45 | Bolt,(For 60ton Dump Body) | 32 |
| 01***13 | Nut - Cylinder Mounting | 24 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Steering Case Cover (With Rops Canopy Or Rops Cab)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***40 | Bolt (Op) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Steering Piping (1/3) (Transmission Line)(#41001-41054)
| 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 : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Steering Piping (1/3) (Transmission Line)(#41055-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 04***70 | Ball,(-40 Deg. Spec.) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Power Train And Final Drive : Steering Piping (3/3) (Brake Cylinder Line)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***55 | Bolt,(See Service News) | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (1/2)
| 01***20 | Bolt (Itl) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (1/2) (For Bucket Positioner)
| 01***20 | Bolt (Itl) | 4 |
| 01***30 | Bolt | 4 |
| 07***30 | Ring, Seal - Between Sections | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (2/2)
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 3 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 07***34 | O-Ring,(F2310-59a0 -4 ) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (2-Spool) (2/2) (For Bucket Positioner)
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 3 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 07***34 | O-Ring,(F2310-59a0 -4 ) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (3-Spool) (1/2) (For Bucket Positioner) : Unit_01_of_02
| 01***20 | Bolt (Itl) | 6 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (3-Spool) (1/2) (For Bucket Positioner) : Unit_02_of_02
| 01***20 | Bolt (Itl) | 4 |
| 01***30 | Bolt | 8 |
| 01***20 | Screw | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (3-Spool) (2/2) (For Bucket Positioner) : Unit_02_of_02
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 3 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 07***34 | O-Ring,(F2310-59a0 -4 ) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (3-Spool) (2/2) (For Bucket Positioner) : Unit_01_of_02
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 3 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 07***34 | O-Ring,(F2310-59a0 -4 ) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (4-Spool) (1/3) (For Bucket Positioner)
| 01***20 | Bolt (Itl) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (4-Spool) (2/3) (For Bucket Positioner)
| 01***20 | Bolt (Itl) | 2 |
| 01***30 | Bolt | 6 |
| 01***20 | Screw | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Control Valve (4-Spool) (3/3) (For Bucket Positioner)
| 07***34 | O-Ring, O-Ring, Oil Level And Fill Plug | 3 |
| 07***34 | O-Ring, At Transmission Filter | 1 |
| 07***34 | O-Ring,(F2310-59a0 -4 ) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Dump Cylinder
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***26 | Nut,Nylon | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Lift Cylinder(#41001-41183)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***26 | Nut,Nylon | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Lift Cylinder(#41184-)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***26 | Nut,Nylon | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : P.T.O. Pump
| 04***15 | Ring, Snap | 1 |
| 70***10 | Seal, Oil | 1 |
| 70***10 | Pump Ass'Y (Sal 8),(See Fig.7663) | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Ppc Valve(#41001-41054)
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***12 | Plug,Taper | 5 |
| 70***50 | Ring,Snap | 4 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Ppc Valve(#41055-)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***35 | Bolt | 2 |
| 07***20 | O-Ring,Relief Valve | 4 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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) | 100 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Track Link (Master Pin Type) (Supply Parts)(#41001-41196)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***26 | Track Link Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Service Kit And Component Parts : Track Link (Master Pin Type) (Supply Parts)(#41197-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***27 | Track Link Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : 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 : D31q-20(S/N 41001-Up) : Under Carriage : Front Idler(#41001-41183)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Front Idler(#41184-)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Recoil Spring
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***40 | Bolt,(With Center Guard) | 12 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Frame
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Track Frame (Track Roller)(#41237-)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Track Frame (With Mono Block Type Track Roller Guard)(#41237-)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Track Frame (With Separate Type Track Roller Guard)(#41237-)
| 01***30 | Bolt - M14 X 30lg | 16 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 52 |
| 01***13 | Nut,(For Adjustable Rod) | 6 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Frame Cover
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
| 01***16 | Washer,Radio Controlled Slag Handling | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Frame Cover (Eu. Noise Suppression Spec.)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***40 | Bolt (Op) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Guard (For Mono Block Type)(#41001-41236)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Track Guard (For Separate Type)(#41001-41236)
| 01***30 | Bolt - M14 X 30lg | 16 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 52 |
| 01***13 | Nut,(For Adjustable Rod) | 6 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Guard(#41001-41236)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Track Roller(#41001-41149)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Track Roller(#41150-41236)
| 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 : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (600mm Wide)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 11***27 | Track Shoe Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Lubricate Type) (Swamp Type) (600mm Wide)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 11***16 | Track Shoe Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Master Pin Type) (Flat Type) (330mm Wide)(#41001-41196)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***11 | Track Shoe Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Master Pin Type) (Flat Type) (330mm Wide)(#41197-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***12 | Track Shoe Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Master Pin Type) (Single Grouser) (600mm Wide)(#41001-41196)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***17 | Track Shoe Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Master Pin Type) (Single Grouser) (600mm Wide)(#41197-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***19 | Track Shoe Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Master Pin Type) (Swamp Type) (600mm Wide)(#41001-41048)
| 11***72 | Seal,Dust? Regular? W-Type | 140 |
| 11***82 | Seal,Dust? Regular? W-Type | 8 |
| 11***01 | Track Shoe Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Under Carriage : Track Shoe (Master Pin Type) (Swamp Type) (600mm Wide)(#41049-)
| 11***72 | Seal,Dust? Regular? W-Type | 144 |
| 11***82 | Seal,Dust? Regular? W-Type | 4 |
| 11***02 | Track Shoe Ass'Y | 1 |
Work Equipment
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Bucket
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt | 2 |
| 01***15 | Nut | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Bucket Indicator
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
| 01***09 | Nut,(With Body Positioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Dumping Fork
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 8 |
| 01***20 | Bolt | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Hitch
| 01***60 | Bolt, Mount Pole | 2 |
| 01***60 | Flat Washer - M20 (Hardened) | 2 |
| 11***20 | Hitch Ass'Y | 1 |
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Lift Arm
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 24 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 24 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 12 |
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Lift Arm (Tbg Spec.)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 24 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 24 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 12 |
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Straight Blade
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Bolt | 2 |
| 01***15 | Nut | 2 |
Komatsu : D31q-20(S/N 41001-Up) : Work Equipment : Swing Drawbar
| 01***55 | Bolt,(With Hook) | 14 |
| 01***60 | Flat Washer - M20 (Hardened) | 14 |
| 04***12 | Pin,Cotter (For Ripper) | 2 |
D31Q-20(S/N 41001-UP) serial number reference
The machine 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 first three characters of the serial number sequence. Match the serial range in the catalog name with the serial number on the machine plate to ensure the correct version.
| Prefix | Identifies | Notes |
|---|---|---|
| 41001-UP | D31Q-20 | Primary serial range for D3/Q-20 configuration. Distinct from D31E-20 (42723+) and D31P-20 (47617+). |
Frequently asked questions
What engine is used in the Komatsu D31Q-20?
The machine is equipped with a Komatsu S4D102E engine, featuring a 239.3 cu in (4 L) displacement and producing 69.8 hp (52 kW) at 2350 rpm.
What is the operating weight of this model?
The operating weight for the D31Q-20 (S/N 41001-UP) is approximately 15,697 lb (7,120 kg).
What replaced the Komatsu D31Q-20?
The documentation does not explicitly name a direct successor, but it belongs to the D31 series lineage which includes various configurations like the D31E and D31P.
What D31Q-20(S/N 41001-UP) owners discuss
What are the known powertrain or drive system issues reported for this machine class?
Operators have reported instances of tracks stopping during heavy pushing and experiencing a high-pitched transmission whine after several minutes of operation. In some cases, the tracks may stop but recover after idling for 10 to 15 seconds. Have your dealer verify hydraulic and transmission pressure levels.
What are the typical undercarriage specifications and wear considerations for the D31Q-20?
The machine features a track gauge of 64.97 in (1650 mm) and a track shoe width of 23.63 in (600 mm). The undercarriage includes 5 track rollers per side. Ground pressure is rated at 4.41 psi (30.4 kPa).
What engine model and performance specs are standard for the D31Q-20 (S/N 41001-UP)?
The machine is equipped with a Komatsu S4D102E engine. It provides net power of 69.8 hp (52 kW) measured at 2350 rpm, with a displacement of 239.3 cu in (4 L).
What electrical or sensor issues should be monitored during operation?
Fault codes may indicate issues such as low battery voltage, high coolant temperature, sensor failures, solenoid valve circuit faults, or abnormal pressure readings. Have your dealer verify electronic system diagnostics using the dealer service tool.
What is the recommended maintenance interval for engine oil and hydraulic systems?
Standard PM service intervals include 250-hour checks for engine oil and filters, 500-hour checks for fuel and hydraulic return filters, and 1,000-hour checks for hydraulic oil sampling and final drive oil. For the first-fill capacities, always reference the specific machine's O&M manual.
What should be checked when buying a used Komatsu D31Q-20 (S/N 41001-UP)?
Verify the serial number on the chassis plate against the machine plate to prevent theft or part mismatch. Use telematics history to check for hour-meter rollback; any gap exceeding approximately 50 hours between records and the dashboard meter is a significant red flag. Additionally, inspect the engine block near the injection pump to confirm the engine serial matches the chassis documentation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Need a specific D31Q-20(S/N 41001-UP) part?
Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.