Komatsubulldozersmall ( - d39)
Komatsu D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D21A-7 is a compact crawler tractor designed for utility earthmoving and light construction tasks. This dash-7 generation machine features a 4-cylinder 4D95S engine producing 29.8 kW (40 hp) at 2450 rpm, with an operating weight of approximately 3600 kg (7936.7 lb). The unit utilizes a hydrostatic (HS) transmission providing two forward and two reverse gears. It is part of the D-series lineage, specifically configured for standard utility work with a width over tracks of 1610 mm (5.29 ft).
As a dash-7 series machine, this model represents the Tier 3 / Stage IIIA emissions era, offering improved efficiency over earlier generations. In today's used equipment market, the D21A-7 remains highly valued for its compact footprint and reliable hydrostatic drive. The availability of parts for the 4D95S engine and standard undercarriage components makes it a cost-effective choice for contractors needing a maneuverable dozer for grading, trimming, or light excavation work.
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 D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) specifications
Engine
| Engine Model | 4D95S |
| Number of Cylinders | 4 |
| Gross Power | 29.8 kW (40 hp) |
| Power Measured @ RPM | 2450 rpm |
| Displacement | 2.7 L (164.2 cu in) |
Weights
| Operating Weight | 3600 kg (7936.7 lb) |
Dimensions
| Length w/ Blade | 3400 mm (11.16 ft) |
| Length w/o Blade | 2560 mm (8.4 ft) |
| Width Over Tracks | 1610 mm (5.29 ft) |
| Height To Top of Cab | 2475 mm (8.13 ft) |
| Ground Clearance | 295 mm (0.97 ft) |
| Length of Track on Ground | 1685 mm (5.53 ft) |
| Track Gauge | 1310 mm (4.3 ft) |
| Standard Shoe Size | 300 mm (11.82 in - 12 in) |
| Track Pitch | 135 mm (5.32 in) |
Performance
| Transmission Type | Hydrostatic (HS) |
| Number of Forward Gears | 2 |
| Number of Reverse Gears | 2 |
| Track Rollers Per Side | 5 |
Blades
| Standard Blade Width | 2170 mm (7.2 ft) |
| Standard Blade Height | 590 mm (23.3 in) |
Service Capacities
| Engine Oil Capacity | 12.5 L |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase (w/ filter) | 12.5 L | 10w/30 or 15w/40 Engine Oil (E9/Low Saps preferred for emission models); SAE 30 or SAE 40 mono-grade also suitable per service literature |
| Cooling System | Antifreeze Blue Concentrate or Red OAT (5 Year) | |
| Fuel Tank | ||
| Transmission/Powertrain (Hydrostatic) | CAT 10w or CAT 30w Transmission Fluid; Universal Transmission Oil | |
| Bevel Gear/Steering Compartments | 80w/90 GL4 or GL5 Gear Oils; Dexron II or Dexron III for Automatic Transmission and Steering Fluid | |
| Final Drives (each) | 80w/90 EP GL5 Gear Oil | |
| Hydraulic System/Tank | Komatsu HYDO; HVI 32, 46, or 68; ISO HLP 32, 46, or 68 | |
| Grease | Multi-purpose grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor the 4D95S engine oil and hydraulic fluids regularly. Use dipsticks to verify levels in both the drive motor and hydraulic reservoirs. For this emission-compliant series, analyze fuel quality to prevent injector fouling. Periodic sampling of Komatsu-spec oils can detect early wear in the hydrostatic transmission or hydraulic pump before catastrophic failure occurs.
Corrective & Common Repairs
Address steering deviations immediately; issues often stem from hydraulic control complications or right-track clutch malfunctions. If the machine experiences power loss, inspect for engine controller failures or sensor abnormalities in the fuel system. Check for track engagement issues where one side moves freely, which typically indicates a fault in the hydraulic drive motor or related valves.
Overhaul & Rebuild Points
Plan rebuilds around significant undercarriage wear, specifically monitoring track pitch and sprocket/bushing degradation. Major engine overhauls should focus on the 4-cylinder block and fuel injection components. When rebuilding the hydrostatic transmission, inspect all internal clutch materials and hydraulic valve bodies to ensure pressure stability and prevent recurring gear engagement failures.
Seasonal & Environment Servicing
In sandy or dusty environments, prioritize cleaning the radiator and protective grids to prevent overheating. During cold operations, ensure engine oil viscosity is appropriate for startup. Regularly clear debris from the undercarriage, specifically around track rollers and idlers, to prevent premature wear of the 5-roller per side assembly and maintain proper ground clearance.
D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM129910-55600 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| YM129470-55610 | Body, Fuel Filter | Fuel system service | Check fitment → |
| 104-98-41460 | Plate,Engine Fuel Filter | Fuel system service | Check fitment → |
| 104-98-41130 | Plate,Engine Fuel Filter | Fuel system service | Check fitment → |
| 104-98-41110 | Plate,Engine Fuel Filter | Fuel system service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power malfunction | Faulty ECM power connections, blown fuses, or improper grounding | Inspect ECM power connections, fuses, or ground wires |
| E11 | Engine protection—output power reduced | High coolant temperature, low oil pressure, or restricted air intake | Check coolant temperature, oil pressure, and air filter |
| E15 | Engine sensors fault | Malfunction in temperature, fuel pressure, or oil pressure sensors | Inspect engine sensors and associated wiring |
| AA10NX | Air cleaner clogging | Accumulated dust or debris in the air filter element | Replace the 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 |
| EOE | Network failure | Communication error within the machine's electronic network | Verify controller communication and wiring integrity |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) attachments & work tools
Blades
Standard blade width is 2170 mm (7.2 ft) with a height of 590 mm (23.3 in). Aftermarket options include C Frame, Cutting Edge, and Blade components for this model.
Rippers
Ripper attachments are available as aftermarket replacement parts. Specific single-shank or multi-shank configurations and weights are not documented for this exact serial range.
Winches
No winch class or towing winch options are specified in the technical documentation for this machine.
Drawbars/counterweights
Specific drawbar or counterweight configurations are not documented for this exact serial range.
Cab/ROPS guarding options
Work equipment control components such as attachment levers and knobs for PAT dozer configurations are available. Specific forestry or waste guarding packages are not documented.
Hydraulic arrangement notes
The machine utilizes a hydrostatic transmission. Drive motor fluid and hydraulic oil fill tubes are identified via dipstick; engine oil capacity is 12.5 L (for D21A-5 reference).
All D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) assemblies by section
Every catalogued assembly group for the Komatsu D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d94e-1a S/N 00101-Up
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Air Cleaner (For Trimming Dozer)(#02611-)
| YM***40 | Valve,Unloader | 1 |
| YM***30 | Pan,Dust | 1 |
| YM***22 | Screw | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Air Cleaner (For Trimming Dozer? Sandy And Dusty Spec.)(#00101-02610)
| YM***02 | Bolt Plated | 4 |
| YM***40 | Valve,Unloader | 1 |
| YM***10 | Hose | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Air Cleaner(#00101-02610)
| YM***02 | Bolt Plated | 4 |
| YM***40 | Valve,Unloader | 1 |
| YM***10 | Hose | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Air Cleaner(#02611-)
| YM***01 | Air Cleaner Ass'Y | 1 |
| YM***40 | Valve,Unloader | 1 |
| YM***30 | Pan,Dust | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Air Intake Manifold
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator (40a) (Inner Parts)(#00101-02610)
| YM***50 | Brush Ass'Y | 1 |
| YM***00 | Retainer,Bearing | 1 |
| YM***70 | Diode Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator (40a) (Inner Parts)(#02611-)
| YM***20 | Rear Bracket Ass'Y | 1 |
| YM***30 | Front Bracket Ass'Y | 1 |
| YM***00 | Rotor Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator (60a) (Inner Parts) (With Air Conditioner)(#02611-)
| YM***00 | Stator Ass'Y | 1 |
| YM***12 | Alternator A. (60a) | 1 |
| YM***02 | Rotor Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator (60a) (Inner Parts) (With Air Conditioner? Poor Fuel Type And Cold Terrain Spec.)(#00101-02610)
| YM***70 | Rectifier Ass'Y | 1 |
| YM***80 | Diode Ass'Y | 1 |
| YM***10 | Alternator A. (60a) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator (80a) (Inner Parts)(#02611-)
| YM***01 | Cover | 1 |
| YM***60 | Wire | 1 |
| YM***00 | Starter Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator And Mounting (25a) (For Trimming Dozer)(#02611-)
| YM***40 | Distance Piece | 1 |
| YM***40 | Screw | 1 |
| YM***01 | Alternator A. (25a) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator And Mounting (25a) (For Trimming Dozer? Sandy And Dusty Spec.)(#00101-02610)
| YM***00 | Alternator A. (25a) | 1 |
| YM***40 | Distance Piece | 1 |
| YM***02 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator And Mounting (40a)(#00101-02610)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator And Mounting (40a)(#02611-)
| YM***40 | Screw | 1 |
| YM***60 | Nut | 1 |
| YM***30 | Adjuster, Belt | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator And Mounting (60a) (With Air Conditioner)(#02611-)
| YM***40 | Distance Piece | 1 |
| YM***40 | Screw | 1 |
| YM***02 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Alternator And Mounting (60a) (With Air Conditioner? Poor Fuel Type And Cold Terrain Spec.)(#00101-02610)
| YM***40 | Distance Piece | 1 |
| YM***02 | Screw | 1 |
| YM***30 | Adjuster, Belt | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Block Heater (Cold Terrain Spec.)
| YM***00 | Heater,Block | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Camshaft And Tappet
| YM***00 | Tappet Rod | 8 |
| YM***50 | Bearing, Thrust | 1 |
| YM***80 | Camshaft Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Crankshaft
| YM***90 | Pulley | 1 |
| YM***50 | Pulley | 1 |
| YM***20 | Parallel Pin | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Crankshaft (For Trimming Dozer)
| YM***50 | Pulley | 1 |
| YM***20 | Parallel Pin | 1 |
| YM***00 | Crankshaft Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Crankshaft (With Air Conditioner)
| YM***60 | Pulley | 1 |
| YM***30 | O-Ring (Kit) | 1 |
| YM***20 | Parallel Pin | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Cylinder Block
| YM***00 | Main Metal Ass'Y (Std) | 5 |
| YM***50 | Plug | 1 |
| YM***40 | Main Metal Ass'Y,0.25mm (Us) | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Cylinder Block Accsessory
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***90 | Valve,Water Drain | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Cylinder Head
| YM***80 | Retainer, Spring | 8 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***00 | Plug | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Dipstic
| YM***00 | Gauge,Oil | 1 |
| YM***10 | Guide,Oil Gauge | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Drive Gear
| YM***00 | Idle Gear Ass'Y | 1 |
| YM***00 | Gear Ass'Y,Hydraulic Pump | 1 |
| YM***00 | Gear,Injection Pump Drive | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Electrical Parts (Forwerded Individually Parts)
| YM***00 | Relay Ass'Y,Safety | 1 |
| YM***10 | Relay Ass'Y,Magnetic | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Engine Stop Motor
| YM***20 | Bracket | 1 |
| YM***80 | Ring,Snap | 1 |
| YM***30 | Spring | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Exhaust Manifold
| YM***02 | Nut | 2 |
| YM***02 | Stud | 2 |
| YM***02 | Screw | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Flywheel And Flywheel Housing (For D20-7)
| YM***52 | Screw | 9 |
| YM***30 | Screw | 6 |
| YM***44 | Bearing | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Flywheel And Flywheel Housing (For D21-7)
| YM***52 | Screw | 9 |
| YM***90 | Flywheel Ass'Y | 1 |
| YM***30 | Screw | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Front Cover And Oil Pump
| YM***02 | Bolt Plated | 3 |
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***02 | Screw | 10 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Front Hanger(#00101-00237)
| YM***00 | Suspension Plate | 1 |
| YM***62 | Bolt,(For Shipping) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Front Hanger(#00238-)
| YM***10 | Hook,Front | 1 |
| YM***62 | Bolt,(For Shipping) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Filter (Poor Fuel Type? Sandy And Dusty Spec.) (Inner Parts)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Filter And Piping (Poor Fuel Type)(#02611-)
| YM***11 | Hose Ass'Y | 1 |
| YM***90 | Retainer | 1 |
| YM***70 | Joint | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Filter And Piping (Poor Fuel Type? Sandy And Dusty Spec.)(#00101-02610)
| YM***10 | Banjo Fitting | 1 |
| YM***90 | Retainer | 1 |
| YM***70 | Joint | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Filter And Piping(#00101-02610)
| YM***02 | Screw | 1 |
| YM***10 | Banjo Fitting | 1 |
| YM***80 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Filter And Piping(#02611-)
| YM***02 | Screw | 1 |
| YM***80 | Screw | 1 |
| YM***11 | Hose Ass'Y | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Feed Pump) (Inner Parts)
| YM***40 | Gasket | 4 |
| YM***60 | O-Ring | 2 |
| YM***10 | Feed Pump Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Feed Pump) (Inner Parts) (D21 Aircon? Trimming? Cold Terrain? Poor Fuel)(#02611-)
| YM***40 | Gasket | 4 |
| YM***60 | O-Ring | 2 |
| YM***10 | Feed Pump Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)
| YM***00 | Screw | 1 |
| YM***10 | Screw | 6 |
| YM***20 | Limiter | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts) (D21 Aircon? Trimming? Cold Terrain? Poor Fuel)(#02611-)
| YM***00 | Screw | 1 |
| YM***10 | Screw | 6 |
| YM***20 | Limiter | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)
| YM***40 | Screw | 2 |
| YM***00 | Nut | 1 |
| YM***40 | Shim, 0.300 mm | 0 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts) (D21 Aircon? Trimming? Cold Terrain? Poor Fuel)(#02611-)
| YM***40 | Screw | 2 |
| YM***00 | Nut | 1 |
| YM***40 | Shim, 0.300 mm | 0 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)
| YM***40 | Gasket | 2 |
| YM***00 | Adapter | 2 |
| YM***40 | Gasket | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts) (D21 Aircon? Trimming? Cold Terrain? Poor Fuel)(#02611-)
| YM***40 | Gasket | 2 |
| YM***00 | Adapter | 2 |
| YM***40 | Gasket | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)
| YM***00 | Segment | 4 |
| YM***00 | Gasket Disc | 4 |
| YM***20 | Valve,Delivery | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts) (D21 Aircon? Trimming? Cold Terrain? Poor Fuel)(#02611-)
| YM***00 | Segment | 4 |
| YM***00 | Gasket Disc | 4 |
| YM***20 | Valve,Delivery | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump And Piping
| YM***02 | Bolt Plated | 1 |
| YM***40 | Injection Pipe N. 4 | 1 |
| YM***20 | Retainer, Pipe | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Injection Pump And Piping (For D21 Air Conditioner? Trimmingdozer? Cold Terrain? Poor Fuel)(#02611-)
| YM***02 | Bolt Plated | 1 |
| YM***20 | Retainer, Pipe | 1 |
| YM***42 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Fuel Nozzle And Spill Hose
| YM***20 | Spring | 1 |
| YM***00 | Fuel Injection Nozzle, Assembly | 1 |
| YM***80 | Pipe | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Gasket Kit(#00101-02610)
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***40 | O-Ring,Drain Plug | 1 |
| YM***01 | Gasket (Kit) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Gasket Kit(#02611-)
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***40 | O-Ring,Drain Plug | 1 |
| YM***01 | Gasket (Kit) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Head Cover
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***42 | Screw | 1 |
| YM***00 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Lubricating Oil Piping
| YM***81 | Retainer | 1 |
| YM***50 | Tube | 1 |
| YM***50 | Pipe | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Muffler
| YM***62 | Bolt | 1 |
| YM***02 | Nut | 4 |
| YM***22 | Stud | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Oil Filter
| YM***40 | Stud | 1 |
| YM***51 | Cartridge,Cylinder Head Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Oil Pan
| YM***00 | O-Ring (Kit) | 1 |
| YM***00 | Spacer | 1 |
| YM***40 | Plug,Drain | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Oil Pan (Cold Terrain Spec. And Poor Fuel Type)
| YM***00 | O-Ring (Kit) | 1 |
| YM***00 | Spacer | 1 |
| YM***40 | Plug,Drain | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Oil Pan (For Trimming Dozer And Poor Fuel Type)
| YM***00 | O-Ring (Kit) | 1 |
| YM***30 | Oil Pan Ass'Y | 1 |
| YM***00 | Spacer | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Oil Pan (For Trimming Dozer? Cold Terrain Spec. And Poor Fuel Type)
| YM***00 | O-Ring (Kit) | 1 |
| YM***00 | Spacer | 1 |
| YM***40 | Plug,Drain | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Piston And Connecting Rod
| YM***00 | Connecting Rod, Assembly | 4 |
| YM***01 | Pin, Piston | 4 |
| YM***10 | Bush,Idle Gear (Repair Part) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Rear Hange
| YM***20 | Clamp,Harness | 1 |
| YM***00 | Suspension Plate | 1 |
| YM***62 | Bolt,(For Shipping) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Rocker Arm
| YM***20 | Rocker Socket | 1 |
| YM***80 | Spring | 3 |
| YM***60 | Rocker Arm Ass'Y,Exhaust | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Starting Motor (2.3kw) (Inner Parts)
| YM***20 | O-Ring | 1 |
| YM***22 | Starting Motor Ass'Y,(2.3kw) | 1 |
| YM***80 | Holder Brush, Assembly | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Starting Motor And Mounting (2.3kw)
| YM***02 | Nut | 1 |
| YM***02 | Screw | 1 |
| (Y***2) | Starting Motor Ass'Y,(2.3kw) (See Fig.A6210-B0a3) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Tool(#02611-)
| YM***40 | Horn,Flex | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Water Pump And Cooling Fan (For Trimming Dozer)(#02611-)
| YM***10 | Pulley | 1 |
| YM***52 | Bolt | 4 |
| YM***02 | Screw | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Water Pump And Cooling Fan (For Trimming Dozer? Sandy And Dusty Spec.)(#00101-02610)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Water Pump And Cooling Fan (With Air Conditioner)(#00101-02610)
| YM***90 | Thermostat | 1 |
| YM***02 | Screw | 3 |
| YM***40 | Gasket (Kit) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Water Pump And Cooling Fan (With Air Conditioner)(#02611-)
| YM***52 | Bolt | 4 |
| YM***02 | Screw | 3 |
| YM***00 | Fan,Cooling | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Water Pump And Cooling Fan(#00101-02610)
| YM***90 | Thermostat | 1 |
| YM***50 | Pulley | 1 |
| YM***02 | Screw | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 4d94e-1a S/N 00101-Up : Water Pump And Cooling Fan(#02611-)
| YM***50 | Pulley | 1 |
| YM***60 | Thermostat Case A | 1 |
| YM***02 | Screw | 3 |
Accessory
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Body Sheet
| 11***11 | Seat,Chassis | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Cap And Overall
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Spare Parts(#78604-78851) : Unit_01_of_02
| 04***46 | V-Belt,Cooling Fan | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Spare Parts(#78604-78851) : Unit_02_of_02
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Spare Parts(#78852-) : Unit_02_of_03
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Spare Parts(#78852-) : Unit_03_of_03
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Spare Parts(#78852-) : Unit_01_of_03
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : Spare Parts(#79672-)
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Accessory : T00l
| 07***50 | Pump, (Bellows Type) | 2 |
| 07***03 | Cartridge - Grease | 1 |
| 07***17 | Nozzle | 1 |
Cooling System
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Cooling System : Cooling
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Cooling System : Cooling Radiator (With Sandy Dusty Protection Grid)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Cooling System : Reserve Tank
| 01***16 | Bolt - Box Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Electrical System
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Back-Up Alarm
| 01***05 | Capscrew | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***11 | Nut | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Battery
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Battery Dry
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 08***00 | Terminal? (+),(10l) (Not Shown) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Battery Wiring
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 08***20 | Wire | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Lamp
| 01***10 | Nut,(Fig.F2820-01a3-12) | 2 |
| 10***20 | Lamp Ass'Y | 3 |
| 10***10 | Bulb? 55w | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Wiring (1/2)(#80199-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***15 | Bolt | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 9 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Wiring (2/2)(#80199-)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Wiring (For 2 Levers Steering) (1/2)(#78604-80198)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Wiring (For 2 Levers Steering) (2/2)(#78604-80198)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Wiring (For Large Capacity Alternator) (1/2)(#80199-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***15 | Bolt | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 9 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Wiring (For Mono Lever Steering) (1/2)(#78604-80198)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***15 | Bolt | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Electrical System : Vehicle Wiring (For Mono Lever Steering) (2/2)(#78604-80198)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Bolt,(Without Air Con. Or Heater) | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
Engine Related Parts
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Engine Related Parts : Damper
| 01***16 | Bolt - Seat And Tether Belt Mounting | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***75 | Bolt (M10-1.50x75) | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Engine Related Parts : Engine Mount
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***40 | Bolt (Op) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Engine Related Parts : Engine Mount (Sandy Dusty Spec.)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Engine Related Parts : Exhaust Pipe
| 01***11 | Nut,(Spark Arrester Spec.) | 2 |
| 01***13 | Nut | 1 |
| 61***70 | Bolt | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Engine Related Parts : Water Valve (For Car Heater)
| 07***59 | Clamp,See Fig. K4010-05a0 | 4 |
| 09***00 | Valve | 1 |
| 10***20 | Hose | 2 |
Fuel Tank And Related Parts
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For Backhoe)(#78604-80198)
| 09***35 | Knob (Op) | 1 |
| 11***90 | Nut | 1 |
| 11***60 | Plug | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For Backhoe)(#80199-)
| 09***35 | Knob (Op) | 1 |
| 10***30 | Knob | 1 |
| 10***31 | Knob,(For F2-R2 Transmission) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For F2-R2 Transmission) (For 2 Lever Steering)
| 09***35 | Knob (Op) | 1 |
| 11***20 | Knob, Bucket And Front Attachment Control Lever | 1 |
| 11***60 | Plug | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For F2-R2 Transmission)(#80199-)
| 09***35 | Knob (Op) | 1 |
| 10***30 | Knob | 1 |
| 10***31 | Knob,(For F2-R2 Transmission) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For F3-R3 Transmission)(#80199-)
| 09***35 | Knob (Op) | 1 |
| 11***60 | Plug | 5 |
| 17***81 | Knob | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For Rops Cab) (For F2-R2 Transmission)(#80199-)
| 09***35 | Knob (Op) | 1 |
| 10***10 | Extension,(With Cab) | 1 |
| 10***20 | Nut,(With Cab) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For Rops Cab) (For F3-R3 Transmission)(#80199-)
| 09***35 | Knob (Op) | 1 |
| 10***10 | Extension,(With Cab) | 1 |
| 10***20 | Nut,(With Cab) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For Rops Cab)(#78604-80198)
| 09***35 | Knob (Op) | 1 |
| 10***10 | Extension,(With Cab) | 1 |
| 10***20 | Nut,(With Cab) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For Steel Cab) (For F2-R2 Transmission)(#80199-)
| 09***35 | Knob (Op) | 1 |
| 10***10 | Extension,(With Cab) | 1 |
| 10***20 | Nut,(With Cab) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21) (For Steel Cab)(#78604-80198)
| 09***35 | Knob (Op) | 1 |
| 10***10 | Extension,(With Cab) | 1 |
| 10***20 | Nut,(With Cab) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Control Knob (D21)(#78604-80198)
| 09***35 | Knob (Op) | 1 |
| 11***90 | Nut | 1 |
| 11***60 | Plug | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Guide (D21) (For F2-R2 Transmission) (For 2 Lever Steering)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***20 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Guide (D21) (For F2-R2 Transmission) (For Steel Cab)(#80199-)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***50 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Guide (D21) (For F3-R3 Transmission) (For 2 Lever Steering)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***30 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Guide (D21) (For Steel Cab)(#78604-80198)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***22 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Guide (D21)(#78604-80198)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***22 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Guide (D21)(#80199-)
| 01***25 | Screw | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***10 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Line
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
| 04***10 | Clip | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Line Additional Strainer
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Tank (D21) (For Steel Cab)(#78604-80198)
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
| 01***25 | Bolt | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Tank (D21)(#78604-80198)
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
| 01***25 | Bolt | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Tank (D21)(#80199-)
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
| 01***25 | Bolt | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Fuel Tank (For Steel Cab)(#80199-)
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
| 01***25 | Bolt | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21) (For F2-R2 Transmission) (For 2 Lever Steering)
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21) (For F2-R2 Transmission) (For Steel Cab)(#80199-)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21) (For Steel Cab)(#78604-80198)
| 01***30 | Bolt - M8 X 30lg | 10 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21)(#78604-80198)
| 01***30 | Bolt - M8 X 30lg | 10 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21)(#80199-)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21) (For F2-R2 Transmission) (For 2 Lever Steering)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21) (For F2-R2 Transmission) (For Steel Cab)(#80199-)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21) (For Steel Cab)(#78604-80198)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21)(#78604-80198)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21)(#80199-)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever Linkage (D21) (For F2-R2 Transmission) (For 2 Lever Steering)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever Linkage (D21)(#78604-80198)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Fuel Tank And Related Parts : Transmission Control Lever Linkage (D21)(#80199-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Guard
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Engine Hood
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***06 | Screw | 2 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Engine Hood (Sandy Dusty Spec.)(#79672-)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Engine Side Cover : Unit_02_of_02
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Engine Side Cover : Unit_01_of_02
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Engine Side Cover (For Angle Dozer) : Unit_02_of_02
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Engine Side Cover (For Angle Dozer) : Unit_01_of_02
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Engine Side Cover (With Water Separator)(#79672-)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Fender
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
| 01***40 | Capscrew | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Fender (For 3-Point Hitch Or Roban Seisei Spec.)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
| 01***40 | Capscrew | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Front Hook
| 01***45 | Bolt, M14x2.0x45 | 6 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 6 |
| 11***10 | Hook D41e?D40am | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Radiator Guard
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 8 |
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Radiator Mask
| 01***30 | Bolt - M14 X 30lg | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
| 10***52 | Grille | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Radiator Mask (Reinforced Type)
| 01***30 | Bolt - M14 X 30lg | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
| 10***40 | Grille,(Reinforced Type) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Radiator Shutter
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 4 |
| 01***03 | Nut,(With Joy Stick Steering) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Radiatro Guard (For Angle Dozer)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***50 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***45 | Bolt | 12 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rear Bracket
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***40 | Capscrew | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rear Bracket(With Additional Fuel Strainer)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***40 | Capscrew | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rear Cover
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Capscrew - M14 (1)/(2) | 4 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rear Cover (For 3-Point Hitch? Rear P.T.O. Or Roban Seisei Spec.) (For 4-Piller Type Canopy)
| 01***30 | Bolt - M14 X 30lg | 2 |
| 01***50 | Capscrew | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rear Cover (For 4 Pillar Type Canopy)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***50 | Capscrew | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rear Cover (For Rops Cab)
| 01***30 | Bolt - M14 X 30lg | 2 |
| 01***50 | Capscrew | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rear Cover (For Vandalism Protection)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Capscrew - M14 (1)/(2) | 4 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Rops Mount
| 01***40 | Capscrew | 26 |
| 01***45 | Bolt, M14x2.0x45 | 8 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 34 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Under Guard (D21)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt - M14 X 30lg | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Under Guard (For Front Hook) (D21)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt - M14 X 30lg | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Guard : Under Guard (Reinforced Type) (Available For Mounting Hook)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt - M14 X 30lg | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Hydraulic System
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Angle Cylinder Line) (Chassis Side) (For Lift Tilt Lever + Angle Lever)(#78604-80198)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 1 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Angle Cylinder Line) (Chassis Side) (For Single Lever)(#78604-80198)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 10***50 | Tube | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Angle Cylinder Line) (Chassis Side)(#80199-)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 1 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Delivery Piping And Safty Cover) (For 2-Valve)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***35 | Bolt,(For Fix Position) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Delivery Piping And Safty Cover) (For 3-Valve)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***35 | Bolt,(For Fix Position) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Delivery Piping And Safty Cover) (For 4-Valve)(#80199-)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***35 | Bolt,(For Fix Position) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Delivery Piping And Safty Cover) (For Decel)(#78628-)
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***35 | Bolt,(For Fix Position) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Suction Piping)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Tilt Cylinder Line) (Chassis Side) (For Lift Tilt Lever + Angle Lever)(#78604-80198)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Tilt Cylinder Line) (Chassis Side) (For Single Lever)(#78604-80198)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Tilt Cylinder Line) (Chassis Side)(#80199-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Piping (Valve To Cylinder) (For 3-Point Hitch)(#80199-)
| 01***18 | Bolt | 1 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Tank (For 3-Point Hitch And Back-Up Alarm)(#78604-80198)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Tank (For 3-Point Hitch)(#80199-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Tank (For Back-Up Alarm)(#80199-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Tank (For Rops Cab)(#78604-80198)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Tank (For Rops Cab)(#80199-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Tank(#78604-80198)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Hydraulic Tank(#80199-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Lift Cylinder Line (For Angle Dozer)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Lift Cylinder Line (For Angle Dozer) (For F3-R3 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Lift Cylinder Line (For Power Angle Power Tilt Dozer)
| 01***30 | Bolt,(With Body Positioner) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Lift Cylinder Line (For Power Angle Power Tilt Dozer) (For F3-R3 Transmission)
| 01***30 | Bolt,(With Body Positioner) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Main Pump
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 07***85 | O-Ring,(Without Fuel Level Gauge) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Main Valve (Mount) (For Angle Dozer)
| 01***25 | Bolt,(Rear Attachment Less) | 7 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 7 |
| 07***15 | O-Ring,(Without Boom Kickout) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Main Valve (Mount) (For Power Angle Power Tilt Dozer) (For Lift Tilt Lever + Angle Lever)(#78604-80198)
| 01***25 | Bolt,(Rear Attachment Less) | 7 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 7 |
| 07***15 | O-Ring,(Without Boom Kickout) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Main Valve (Mount) (For Power Angle Power Tilt Dozer) (For Single Lever)(#78604-80198)
| 01***25 | Bolt,(Rear Attachment Less) | 7 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 7 |
| 07***15 | O-Ring,(Without Boom Kickout) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Hydraulic System : Main Valve (Mount) (For Power Angle Power Tilt Dozer)(#80199-)
| 01***25 | Bolt,(Rear Attachment Less) | 7 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 7 |
| 07***15 | O-Ring,(Without Boom Kickout) | 4 |
Main Frame And Related Parts
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Main Frame And Related Parts : Side Frame (For Angle Dozer) (For Mono Lever Steering)
| 01***55 | Bolt,(Not Used For Chip Dozer) | 12 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 12 |
| 07***08 | Plug | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Main Frame And Related Parts : Side Frame (For Power Angle Power Tilt Dozer) (For Decel)(#78628-)
| 01***55 | Bolt,(Not Used For Chip Dozer) | 12 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 12 |
| 07***08 | Plug | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Main Frame And Related Parts : Side Frame (For Power Angle Power Tilt Dozer) (For Mono Lever Steering)
| 01***55 | Bolt,(Not Used For Chip Dozer) | 12 |
| 01***45 | Washer,(For Travel Motor) (Not Show) | 12 |
| 07***08 | Plug | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Main Frame And Related Parts : Steering Case Frame (For Angle Dozer) (For Mono Lever Steering)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***45 | Bolt,(With Water Separator Type) | 7 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 7 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Main Frame And Related Parts : Steering Case Frame (For Power Angle Power Tilt Dozer) (For Mono Lever Steering)
| 01***20 | Bolt,(For Mono Lever Steering) | 6 |
| 01***45 | Bolt,(With Water Separator Type) | 7 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 7 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Main Frame And Related Parts : Suspension (For Angle Dozer)
| 01***40 | Capscrew | 8 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 8 |
| 01***45 | Bolt,(For 60ton Dump Body) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Main Frame And Related Parts : Suspension (For Power Angle Power Tilt Dozer)
| 01***40 | Capscrew | 8 |
| 01***40 | Bolt,(For Slag Handling) (For Usa) | 8 |
| 01***45 | Bolt,(For 60ton Dump Body) | 4 |
Marks And Plates
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Arabic) (For Rops Cab)(#81601-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***61 | Plate? Instruction,Air Cleaner (Double Element) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Arabic)(#79575-81600)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***61 | Plate? Instruction,Air Cleaner (Double Element) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Arabic)(#81601-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***61 | Plate? Instruction,Air Cleaner (Double Element) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (English) (For Rops Cab)(#81601-)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (English)(#81601-)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (German)(#78604-81600)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (German)(#81601-)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Polish) (For Rops Cab)(#81601-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***01 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Polish)(#78604-81600)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***01 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Polish)(#81601-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***01 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Spanish) (For Rops Cab)(#81601-)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Spanish)(#78604-81600)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Spanish)(#81601-)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Usa) (For Rops Cab)(#81601-)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Usa)(#80053-81600)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Marks And Plates (Usa)(#81601-)
| 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Rops Plate Unit (Chinese)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,(Limited Supply) (Chinese) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Rops Plate Unit (English)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,Rops(Except U.S.A. And Canada) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Rops Plate Unit (German)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,(Rops And Fops)(Ec Regulation) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Rops Plate Unit (Spanish)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,(Spanish) (Limited Supply) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Marks And Plates : Rops Plate Unit (Usa)(#80053-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***01 | Plate? Name,(Limited Supply) (Usa? Canada) | 1 |
Operator'S Compartment And Control System
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Air Conditioner Unit
| 10***10 | Air Conditioner Unit | 1 |
| 10***11 | Air Conditioner Unit | 1 |
| TW***70 | Case Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Arm Rest
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 11***40 | Rest,Arm | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Brake Control Pedal (Brake Pedal) (For Decel)(#78628-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***32 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Brake Control Pedal (Brake Pedal) (For Mono Lever Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 5 |
| 01***32 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Brake Control Pedal (Brake Pedal) (With Rops Cab) (For Mono Lever Steering)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Brake Control Pedal (Linkage) (For Mono Lever Steering)
| 01***45 | Bolt, Mounting Cranking Motor | 1 |
| 01***06 | Nut,L.H. Thread (For Russian) | 3 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Canvas Canopy
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Car Heater (Electrical System)
| 01***08 | Screw, Control Lever Rod | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***05 | Washer,(Additional Sun Visor) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Car Heater (Heater Piping)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Car Heater (Heater)
| 01***16 | Bolt - Box Mounting | 6 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Car Heater Unit
| 11***50 | Car Heater Ass'Y,(See Fig.K0710-51a0) | 1 |
| ND***30 | Case Ass'Y | 1 |
| ND***80 | Wire Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Center Floor
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 10***10 | Plate,Floor (D21) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Center Floor (For Decel)(#78628-)
| 01***20 | Bolt,(For Mono Lever Steering) | 11 |
| 01***32 | Washer,(With Auto Emergency Steering) | 11 |
| 10***10 | Bracket | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Center Floor (With Rops Cab)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
| 04***10 | Pin,Cotter (Without Towing Winch), Cotter Pin; Was 04050-11610 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Control Rod
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Control Rod (For Decel)(#78628-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Decelerator Pedal (Pedal Control 1/2)(#78628-)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Decelerator Pedal (Pedal Control 2/2)(#78628-)
| 01***25 | Capscrew | 1 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Decelerator Pedal (Pedal)(#78628-)
| 01***60 | Capscrew | 1 |
| 01***16 | Screw | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Floor Mat
| 10***32 | Floor Mat,(For D21) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Floor Mat (For Decel)(#78628-)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Floor Mat (With Rops Cab And Car Heater)
| 10***30 | Floor Mat,(For Car Heater) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Floor Mat (With Rops Cab)
| 10***20 | Floor Mat | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Frp Canopy
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***45 | Bolt,(With Water Separator Type) | 12 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Handrail
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Handrail (For 2 Levers Steering)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 10***71 | Handle | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Handrail (With 2 Levers Steering 4-Pillar Type Canopy)
| 07***18 | Plug,(With Extinguisher) (D31p) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Handrail (With 4-Pillar Type Canopy)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***11 | Handle | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Head Guard
| 01***40 | Capscrew | 18 |
| 01***75 | Capscrew | 24 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 18 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Inching Control (For F2-R2 Transmission)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Inching Control (For F2-R2 Transmission) (With Cab)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Inching Control (Inching Pedal) (For F3-R3 Transmission)
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 3 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Inching Control (Inching Pedal) (For F3-R3 Transmission) (With Cab)
| 01***30 | Bolt,(With Body Positioner) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 3 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Inching Control (Linkage) (For F3-R3 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***06 | Nut,L.H. Thread (For Russian) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Operator'S Seat
| 01***25 | Bolt,(Rear Attachment Less) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Operator'S Seat (With 3-Point Hitch)(#79672-)
| 01***25 | Bolt,(Rear Attachment Less) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper)
| 01***20 | Bolt,(For Mono Lever Steering) | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Operator'S Seat (With Oil Damper) (With 3-Point Hitch)(#79672-)
| 01***20 | Bolt,(For Mono Lever Steering) | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***10 | Nut,(Without Air Conditioner) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Operator'S Seat (With Rops Cab)
| 01***25 | Bolt,(Rear Attachment Less) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Panel (For Mono Lever Steering)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***25 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Panel (For Mono Lever Steering) (With Vandalism Protection)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***25 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Panel (For Mono Lever Steering) (With Water Separator)
| 01***20 | Bolt,(For Mono Lever Steering) | 1 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 3 |
| 01***25 | Screw | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Body And Door)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 01***45 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Body Seal And Floor Mat Support)
| 01***16 | Bolt - Box Mounting | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Body Wiring)
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 1 |
| 08***30 | Wire,Ground Connection | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Door Open Lock And Rear Window)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 14 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Electrical System)
| 01***16 | Bolt - Box Mounting | 8 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 2 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Mount Cushion)
| 01***80 | Washer,(For R.H. Steering) | 4 |
| 11***90 | Bracket,(For Rops Cab) | 4 |
| 14***50 | Bolt,(For Rops Cab) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Roof Lining And Room Mirror)
| 01***16 | Screw,(P.O.C. Model) (Except Japan) | 2 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 2 |
| 10***32 | Leather | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Cab (Window Glass)
| 01***16 | Bolt - Box Mounting | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***16 | Screw,(Not Used When Ventilator) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Rops Canopy
| 01***80 | Washer,(For R.H. Steering) | 4 |
| 10***11 | Guard Ass'Y,Rops Canopy | 1 |
| 10***12 | Guard Ass'Y,Rops Canopy | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Belt
| 09***01 | Bolt,(For Shipping) | 2 |
| 09***02 | Washer,(For Shipping) | 2 |
| 09***03 | Nut,(For Shipping) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Belt (With Oil Damper)
| 09***01 | Bolt,(For Shipping) | 4 |
| 09***02 | Washer,(For Shipping) | 4 |
| 09***03 | Nut,(For Shipping) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover (With Oil Damper) (With Rops Cab)(#78604-80198)
| 01***30 | Bolt? Wing,Inspection Cover | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover (With Oil Damper) (With Rops Cab)(#80199-)
| 01***30 | Bolt? Wing,Inspection Cover | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover (With Oil Damper)(#78604-80198)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***10 | Cover,(For Oil Damper Seat) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover (With Oil Damper)(#80199-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***20 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover (With Rops Cab)(#78604-80198)
| 01***30 | Bolt? Wing,Inspection Cover | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover (With Rops Cab)(#80199-)
| 01***30 | Bolt? Wing,Inspection Cover | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover(#78604-80198)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***30 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Seat Front Cover(#80199-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***10 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Side Floor
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Side Floor (With Rops Cab)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Attachment Lever) (For Pat Dozer) (With 3-Point Hitch Or Guide Plate)(#80199-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Guide) (For Angle Dozer)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***11 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Guide) (For Pat Dozer) (With 3-Point Hitch)(#78604-80198)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 09***01 | Plate? Operating,3-Point Hitch Control Lever | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Guide) (For Pat Dozer) (With 3-Point Hitch)(#80199-)
| 01***25 | Screw | 1 |
| 01***30 | Bolt | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Guide) (For Pat Dozer)(#78604-80198)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***11 | Cover | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Guide) (For Pat Dozer)(#80199-)
| 01***25 | Screw | 1 |
| 01***30 | Bolt | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Knob) (For Angle Dozer)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 6 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Knob) (For Pat Dozer) (With 3-Point Hitch Or Guide Plate)(#78604-80198)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 6 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Knob) (For Pat Dozer) (With 3-Point Hitch Or Guide Plate)(#80199-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 5 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 5 |
| 04***12 | Pin,Cotter(W/Vandalism Protection) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Knob) (For Pat Dozer)(#78604-80198)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 6 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Knob) (For Pat Dozer)(#80199-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 5 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 5 |
| 04***12 | Pin,Cotter(W/Vandalism Protection) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 1/2) (For Angle Dozer)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 1/2) (For Pat Dozer) (With 3-Point Hitch Or Guide Plate)(#78604-80198)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 1/2) (For Pat Dozer)(#78604-80198)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 1/3) (For Pat Dozer) (With Attachment Lever)(#80199-)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 04***16 | Fitting Wedge | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 1/3) (For Pat Dozer)(#80199-)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 04***16 | Fitting Wedge | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 2/2) (For Angle Dozer)
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 2/2) (For Pat Dozer) (With Attachment Lever)(#78604-80198)
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 3 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 2/2) (For Pat Dozer)(#78604-80198)
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 2/3) (For Pat Dozer)(#80199-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***30 | Bolt - M8 X 30lg | 7 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 3/3) (For Pat Dozer) (With Attachment Lever)(#80199-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 3/3) (For Pat Dozer)(#80199-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 1 |
| 01***25 | Bolt,(Rear Attachment Less) | 1 |
| 01***30 | Bolt - M8 X 30lg | 4 |
Power Train And Final Drive
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Bevel Gear And Shaft (D21)
| 01***30 | Screw | 9 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Brake Cylinder
| 01***45 | Bolt,(With Water Separator Type) | 4 |
| 01***11 | Nut - Mounting | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Final Drive
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Final Drive Sprocket
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(With Body Positioner) | 16 |
| 01***11 | Nut - Mounting | 24 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Brake
| 10***60 | Rivet | 32 |
| 10***30 | Band | 1 |
| 10***21 | Band Ass'Y,Brake | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Brake Support
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 18 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Case Cover (L.H)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Case Cover (R.H)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***45 | Bolt, M14x2.0x45 | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Clutch
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***10 | Nut (K10) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 16 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Clutch (For F3-R3 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***10 | Nut (K10) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 16 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Cylinder
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Cylinder Line
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Oil Lines (For Mono Lever Steering)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Steering Valve
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transfer (F2-R2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***75 | Bolt - Tube Mounting | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transfer (F3-R3)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***75 | Bolt - Tube Mounting | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (1st Housing)
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| 06***08 | Bearing | 1 |
| 07***40 | O-Ring,(F2320-53a0 -4 ) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Carrier) (1/3) (Reverse)
| 04***12 | Pin, Spring | 3 |
| 04***18 | Ring,Snap (With Emergency Steering) | 1 |
| 10***21 | Gear | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Carrier) (2/3) (Forward And 2nd)
| 04***12 | Pin, Spring | 3 |
| 04***15 | Ring, Snap | 1 |
| 04***15 | Ring,Back-Up | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Carrier) (3/3) (1st)
| 04***12 | Pin, Spring | 3 |
| 04***18 | Ring,Snap (With Emergency Steering) | 1 |
| 04***20 | Ring, Snap | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Case)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***35 | Bolt,(For Fix Position) | 3 |
| 01***50 | Bolt,(Spark Arrester Spec.) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Filler)
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Forward And 2nd Housing)
| 07***08 | Plug,(Without Lock-Up), Plug | 1 |
| 10***41 | Housing Ass'Y,Forward And 2nd | 1 |
| 10***70 | Plate | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Input And Output Shaft)
| 01***50 | Bolt,(Spark Arrester Spec.) | 1 |
| 06***08 | Bearing,Roller | 1 |
| 07***22 | O-Ring,(F5350-61a0 -14 ) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Lever)(#78604-80198)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***25 | Screw | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Lever)(#80199-)
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***25 | Screw | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Pump)
| 01***45 | Screw | 3 |
| 01***55 | Screw | 7 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Reverse Housing)
| 04***25 | Ring,Snap (Kit) | 1 |
| 06***08 | Bearing,Ball | 1 |
| 06***10 | Bearing,Ball | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Shift Valve)(#78604-80198)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 8 |
| 01***75 | Capscrew | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F2-R2) (Shift Valve)(#80199-)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 8 |
| 01***75 | Capscrew | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (1st Housing)
| 01***45 | Screw | 10 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***08 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (1st Housing)(#80199-)
| 01***45 | Screw | 10 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***08 | Screw | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (2nd Housing)
| 10***50 | Bolt | 4 |
| 10***50 | Housing Ass'Y,2nd | 1 |
| 10***70 | Hub | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Carrier)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| 06***08 | Bearing,Ball | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Carrier)(#80199-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| 06***08 | Bearing,Ball | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Case)
| 01***65 | Hexagon Bolt | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***35 | Bolt,(For Fix Position) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Filler)
| 01***30 | Bolt,(With Body Positioner) | 2 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Forward And 3rd Housing)
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 04***24 | Pin,Dowel (For No.3 Housing) | 2 |
| 07***05 | O-Ring,(Not Used With Emergency Str.) (K2) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Inching Lever)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Input And Output)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***12 | Washer,(F2320-63a2 -13 ) | 1 |
| 04***00 | Key | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Lever)(#78604-80198)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***25 | Screw | 3 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Lever)(#80199-)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***25 | Screw | 3 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Pump)
| 01***45 | Screw | 3 |
| 01***55 | Screw | 7 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Reverse Housing)
| 04***25 | Ring, Retaining | 1 |
| 06***13 | Bearing,Ball | 1 |
| 07***70 | O-Ring,(F2320-52a3 -9 ) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Reverse Housing)(#80199-)
| 04***25 | Ring, Retaining | 1 |
| 06***13 | Bearing,Ball | 1 |
| 07***70 | O-Ring,(F2320-52a3 -9 ) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Shift Valve)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 8 |
| 01***75 | Capscrew | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission (F3-R3) (Shift Valve)(#80199-)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 8 |
| 01***75 | Capscrew | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission Control Valve (F2-R2)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 01***70 | Screw | 6 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission Control Valve (F3-R3)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 5 |
| 01***60 | Bolt,(With Body Positioner) | 3 |
| 01***70 | Screw | 5 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission Oil Line
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission Support (For F2-R2 Transmission)
| 01***30 | Bolt,(With Body Positioner) | 12 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 5 |
| 01***30 | Stud | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Transmission Support (For F3-R3 Transmission)
| 01***30 | Bolt,(With Body Positioner) | 12 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 5 |
| 01***30 | Stud | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Power Train And Final Drive : Universal Joint (For F2-R2 Transmission)
| 01***40 | Screw, Hex Socket | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 1 |
Service Kit And Component Parts
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : 3-Point Hitch Cylinder (Inner Parts)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***19 | Nut | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Angle Cylider (For Pat) (Inner Part)
| 01***19 | Nut | 1 |
| 04***20 | Ring, Snap | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Blade Lift Cylinder (For Pat) (Inner Parts)
| 01***40 | Bolt, Mount Master Brake Cylinder | 1 |
| 01***19 | Nut | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Blade Lift Cyliner (For Angle Dozer) (Inner Parts)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt | 1 |
| 01***19 | Nut | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Pump (Inner Parts)
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
| 04***15 | Ring, Snap | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Valve (For Angle)(#80199-)
| NA***01 | Spring | 1 |
| NA***01 | Case | 1 |
| NA***01 | Poppet | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Valve (For Lif Ttilt Lever + Angle Lever)(#78604-80198)
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
| 10***00 | Valve Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Valve (For Lift)
| NA***00 | Bowl | 4 |
| NA***01 | Plate | 1 |
| NA***01 | Valve Sub Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Valve (For Single Lever)
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
| 10***00 | Valve Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Valve (For Tilt)
| NA***71 | Spring | 1 |
| NA***01 | Case | 1 |
| NA***01 | Poppet | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Valve (Relife Valve)
| NA***10 | O-Ring | 1 |
| NA***01 | Nut | 1 |
| NA***01 | Spring | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Main Valve(#80199-)
| 07***23 | O-Ring,(F4350-66a1 -1c ) | 1 |
| 07***07 | Plug,Housing No.2?3?4?5?6 | 1 |
| 10***01 | Valve Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Marks And Plates (English)(#78604-81600)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Oversize Parts (For Track Link) (Lubricate Type) (Supply Only)
| 10***70 | Pin | 0 |
| 10***80 | Pin | 0 |
| 10***10 | Bushing | 0 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Oversize Parts (For Track Link) (Supply Only)
| 10***13 | Bushing,Regular | 0 |
| 10***33 | Bushing,Regular | 0 |
| 10***42 | Bushing,Master | 0 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Service Kit (F2-R2)
| 07***08 | O-Ring,(F2320-53a3 -38 ) | 5 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***22 | O-Ring,(See Fig.Y1852-01a0) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Service Kit (F3-R3)
| 01***12 | Washer,(F2320-63a2 -13 ) | 1 |
| 07***08 | O-Ring,(F2320-53a3 -38 ) | 5 |
| 07***95 | O-Ring,Transmission Strainer | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Service Kit (Lift? Angle And Tilt Cylinder) (For Pat)
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Shoe Bolt And Nut Service Kit (Supply Only)
| 20***01 | Shoe Bolt And Nut K | 1 |
| 20***11 | Bolt? Shoe (Y0320-K1) | 50 |
| 20***20 | Nut? Shoe (Y0320-K2) | 50 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Tilt Cylinder (For Pat) (Inner Parts)
| 01***22 | Nut,(North America Spec.) | 1 |
| 04***20 | Ring, Snap | 4 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Track Link (Lubricate Type) (Supply Only)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 10***21 | Link,Track? L.H | 72 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Service Kit And Component Parts : Track Link (Supply Only)
| 10***21 | Link,Track? L.H | 74 |
| 10***31 | Link,Track? R.H | 74 |
| 10***44 | Bushing,Regular | 72 |
Under Carriage
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Carrier Roller
| 01***25 | Bolt,(For Shipping) | 1 |
| 01***25 | Bolt,(Rear Attachment Less) | 3 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Front Idler (L.H.)(#78604-79244)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 12 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Front Idler (R.H.)(#78604-79244)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 12 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Front Idler(#79245-)
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Idler Cushion
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***30 | Bolt - Pin Mounting | 12 |
| 01***50 | Bolt,(For D60pl) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Idler Cushion (Reinforced Type)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***30 | Bolt - Pin Mounting | 12 |
| 01***50 | Bolt,(For D60pl) | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Idler Cushion Rod
| 01***30 | Bolt,(Not Used When Towing Winch) | 8 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 8 |
| 10***10 | Yoke Ass'Y | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Frame
| 07***18 | Plug,(With Extinguisher) (D31p) | 12 |
| 10***30 | Plate (Welded) | 2 |
| 10***11 | Frame,Track? L.H | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : 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 : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Guard
| 01***25 | Capscrew | 24 |
| 01***35 | Capscrew - M14 (1)/(2) | 16 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 40 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Guard (Rubber Shoe Spec.)
| 01***30 | Bolt - M14 X 30lg | 16 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 16 |
| 07***18 | Plug,(With Extinguisher) (D31p) | 16 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Guard (With Mono Block Type Track Roller Guard)
| 01***25 | Capscrew | 36 |
| 01***35 | Capscrew - M14 (1)/(2) | 16 |
| 01***85 | Bolt | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Roller
| 01***50 | Capscrew | 40 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 40 |
| 07***38 | Ring, Seal - Between Sections | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser With Hole) (300mm Wide)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 10***22 | Track Shoe Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (300mm Wide)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 10***01 | Track Shoe Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Lubricate Type) (Single Grouser) (340mm Wide)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 10***11 | Track Shoe Ass'Y | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Lubricate Type) (Triple Grouser With Hole) (300mm Wide)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 10***21 | Link,Track? L.H | 72 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Master Pin Type) (Flat Type) (300mm Wide)
| 10***21 | Link,Track? L.H | 74 |
| 10***31 | Link,Track? R.H | 74 |
| 10***44 | Bushing,Regular | 72 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Master Pin Type) (Single Grouser With Hole) (300mm Wide)
| 10***09 | Track Shoe Ass'Y | 1 |
| 10***21 | Link,Track? L.H | 74 |
| 10***31 | Link,Track? R.H | 74 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Master Pin Type) (Single Grouser) (300mm Wide)
| 10***09 | Track Shoe Ass'Y | 1 |
| 10***21 | Link,Track? L.H | 74 |
| 10***31 | Link,Track? R.H | 74 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Master Pin Type) (Single Grouser) (340mm Wide)
| 10***09 | Track Shoe Ass'Y | 1 |
| 10***21 | Link,Track? L.H | 74 |
| 10***31 | Link,Track? R.H | 74 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Master Pin Type) (Triple Grouser With Hole) (300mm Wide)
| 10***21 | Link,Track? L.H | 74 |
| 10***31 | Link,Track? R.H | 74 |
| 10***44 | Bushing,Regular | 72 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Under Carriage : Track Shoe (Rubber Type) (300mm Wide)
| 10***10 | Shoe,Rubber | 2 |
Work Equipment
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : 3-Point Hitch (Bracket And Arm)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt | 8 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : 3-Point Hitch (Lifting Rod)
| 01***16 | Bolt - Box Mounting | 2 |
| 01***25 | Bolt,(Rear Attachment Less) | 6 |
| 01***16 | Washer,Spring | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : 3-Point Hitch (Lower Link)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***19 | Nut - M24 | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : 3-Point Hitch (Top Link)
| 01***08 | Screw - Clip Mounting | 1 |
| 04***20 | Pin,Cotter (For Chinese) | 1 |
| 04***50 | Pin | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : 3-Point Hitch Cylinder
| (1***0) | Cylinder Group,R.H. (See Fig.Y1621-31a0) | 1 |
| (1***0) | Cylinder Group,L.H. (See Fig.Y1621-31a0) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Angle Cylider (For Pat)
| (1***1) | Cylinder Ass'Y,(See Fig.Y1620-21a0) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Arm And Brace
| 01***20 | Bolt,(For Mono Lever Steering) | 10 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 10 |
| 04***10 | Lock,Plate | 3 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Arm And Brace (For Pat)
| 01***20 | Bolt,(For Mono Lever Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 12 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Back Hoe (Modified Part)(#78604-80774)
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Blade (For Angle Dozer)
| 02***40 | Bolt,(Pl) | 20 |
| 02***13 | Nut,(Pl) | 20 |
| 04***50 | Pin,Cotter | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Blade (For Pat)
| 02***40 | Bolt,(Pl) | 18 |
| 02***13 | Nut,(Pl) | 18 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Blade Lift Cylinder (For Pat)
| (1***1) | Cylinder Group,Lift?R.H.(See Fig.Y1620-01a0) | 1 |
| (1***1) | Cylinder Group,Lift?L.H.(See Fig.Y1620-01a0) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Blade Lift Cyliner (For Angle Dozer)
| 01***50 | Bolt,For Weight Adjusting Bolt | 8 |
| 01***36 | Wahser-Spring, Washer,Spring (Without Towing Winch) | 8 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Dozer Frame (For Angle Dozer)
| 01***45 | Bolt, M14x2.0x45 | 12 |
| 01***15 | Bolt (Kit) | 2 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 12 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Dozer Frame (For Pat)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***60 | Bolt,Rear | 6 |
| 01***90 | Bolt (Kit) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Dozer Oil Line (Angle Cylinder Line) (For Pat) (For Lift Tilt Lever + Angle Lever)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
| 07***12 | O-Ring (Itl) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Dozer Oil Line (Angle Cylinder Line) (For Pat)(#78604-80198)
| 01***20 | Bolt,(For Mono Lever Steering) | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
| 07***12 | O-Ring (Itl) | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Dozer Oil Line (Covere) (For Pat)
| 01***20 | Bolt,(For Mono Lever Steering) | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***45 | Bolt,(With Water Separator Type) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Dozer Oil Line (Tilt Cylinder Line) (For Pat) (For Lift Tilt Lever + Angle Lever)
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Dozer Oil Line (Tilt Cylinder Line) (For Pat)(#78604-80198)
| 01***30 | Bolt - M8 X 30lg | 1 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Drawbar
| 01***40 | Bolt | 2 |
| 01***45 | Washer,(Without R.O.P.S.) | 2 |
| 10***12 | Drawbar | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Drawbar (For 3-Point Hitch)
| 01***45 | Bolt, M14x2.0x45 | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 4 |
| 04***12 | Pin,Cotter? Inertia Brake | 1 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Swing Drawbar
| 01***45 | Bolt | 10 |
| 01***45 | Washer,(Without R.O.P.S.) | 10 |
| 04***12 | Pin,Cotter (For Ripper) | 2 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Swing Drawber (For 3-Point Hitch)
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
| 01***40 | Capscrew | 4 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 12 |
Komatsu : D21a-7(S/N 78604-Up (4d94e-1 (Emission) Eng. Installed)) : Work Equipment : Tilt Cylinder (For Pat)
| (1***1) | Cylinder Ass'Y,Tilt (See Fig.Y1620-31a0) | 1 |
D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) serial number reference
The machine serial number plate is located on the inside of the left-hand armrest. Verify the serial number against the catalog designation 'D21A-7 S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)' to ensure the correct parts manual is used, as this range differs from the 75001-78603 standard series.
| Prefix | Identifies | Notes |
|---|---|---|
| 78604-UP | D21A-7 (Emission) | Equipped with 4D94E-1 engine. This serial range is distinct from the standard D2/A-7 series (S/N 75001-78603) and Trimming Dozer variants. |
Frequently asked questions
What engine is installed in this specific D21A-7 serial range?
This specific serial range (78604-UP) is equipped with the Komatsu 4D94E-1 emission-compliant engine.
What is the operating weight of the machine?
The operating weight is approximately 3600 kg (7936.7 lb).
What model replaced the D21A-7?
The documentation identifies the D21A-8 as the subsequent generation in the Komatsu dozer lineage.
What D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)) owners discuss
What are the common steering and transmission failure modes for the D21A-7?
Operators report frequent steering failures where one track fails to turn, particularly after the machine reaches operating temperature. This is often linked to worn steering clutch discs, hydraulic leaks, or issues with the steering valve block. Transmission trouble may also involve worn clutch material within the hydrostatic system.
What undercarriage wear patterns should be expected on this machine?
Users have documented high-wear scenarios where sprockets and bushings show significant depletion even at low operating hours. The standard configuration features 5 track rollers per side and a 300 mm (11.82 in) shoe size.
Are there specific engine or starting issues associated with the 4D95S/4D94E-1 series?
While the engine provides 29.8 kW (40 hp) at 2450 rpm, owners have noted instances where the engine cranks but fails to start after periods of inactivity, typically pointing toward fuel delivery obstructions. For the specific S/N 78604-UP range, the machine is equipped with a 4D94E-1 emission-compliant engine.
What electrical or sensor malfunctions are common in Komatsu Dash-7 series machines?
Fault codes can indicate various failures including engine controller power loss, engine management malfunctions, and sensor abnormalities related to temperature, fuel pressure, or oil pressure. Electrical issues may also manifest as short circuits or disconnected wiring in the control system.
What should be checked when purchasing a used D21A-7 (S/N 78604-UP) to ensure authenticity and condition?
Verify that the serial number on the chassis plate matches the number stamped into the frame casting; a mismatch is a primary signal of stolen equipment. For machines built since approximately 2003, check for the 17-character ISO PIN on the emissions plate. Additionally, if the unit was built after 2008, request a Komtrax health report to compare transmitted hours against the dashboard meter to detect potential hour-meter rollback.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu D21A-7(S/N 78604-UP (4D94E-1 (Emission) Eng. Installed)). Related factory variants of the same model family:
D21A-7(S/N 75001-78603-UP (For C.I.S. / Trimming Dozer))D21A-7(S/N 75001-78603-UP)
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