Komatsubulldozersmall ( - d39)
Komatsu D21PG-7A(S/N 75001-78603-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D21PG-7A is a compact crawler tractor designed for utility earthmoving, smoothing, and cutting applications. This Dash-7 generation machine operates within the light-duty dozer class, featuring a 40 hp (29.9 kW) Komatsu 4D95S diesel engine. It utilizes a Hydroshift (HS) transmission providing two forward and two reverse gears for precise control. The configuration is characterized by its 8884.7 lb (4030 kg) operating weight and specialized LGP-style dimensions for low ground pressure work.
Across the Dash-7 series, improvements focused on Tier 3 / Stage IIIA emissions compliance and enhanced hydraulic precision via the Hydroshift system. The D2/PG-7A remains a significant model in the used parts market due to its high-demand engine components and durable undercarriage design. Its compact footprint makes it a primary choice for utility contractors, ensuring a steady supply of demand for 4D95S engine parts and hydraulic components.
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 D21PG-7A(S/N 75001-78603-UP) specifications
Engine
| Engine Model | 4D95S |
| Number of Cylinders | 4 |
| Gross Power | 40 hp (29.9 kW) |
| Power Measured @ | 2450 rpm |
| Displacement | 164.2 cu in (2.7 L) |
Weights
| Operating Weight | 8884.7 lb (4030 kg) |
Dimensions
| Length W/ Blade | 11.11 ft in (3385 mm) |
| Length W/O Blade | 8.37 ft in (2TR50 mm) |
| Width Over Tracks | 6.53 ft in (1990 mm) |
| Height To Top Of Cab | 8.24 ft in (2510 mm) |
| Length Of Track On Ground | 5.53 ft in (1685 mm) |
| Ground Clearance | 1.2 ft in (365 mm) |
Undercarriage
| Track Gauge | 4.89 ft in (1490 mm) |
| Standard Shoe Size | 19.69 in (500 mm) |
| Number Of Track Rollers Per Side | 5 |
| Track Pitch | 5.77 in (146.5 mm) |
Performance
| Transmission Type | HS |
| Number of Forward Gears | 2 |
| Number of Reverse Gears | 2 |
Blades
| Standard Blade Width | 8.4 ft in (2560 mm) |
| Standard Blade Height | 23.3 in (590 mm) |
Service Capacities
| Engine Oil Capacity | verify with dealer |
| Hydraulic System Capacity | verify with dealer |
| Fuel Tank Capacity | verify with dealer |
| Cooling System Capacity | verify with dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D21PG-7A(S/N 75001-78603-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase | 12.5 L | 15W-40 (Komatsu Diesel Engine Oil/DEO equivalent; viscosity varies by climate per OMM standards). |
| Cooling System | 3.5 gal (approx. 13.2 L) | Komatsu Super Coolant/Komatsu Engine Coolant. |
| Fuel Tank | 15.9 gal (60.2 L) | Diesel Fuel. |
| Transmission/Powertrain (Hydrostatic Transmission) | verify with dealer | Komatsu Powertrain Oil (TO/AXO class). |
| Final Drives | verify with dealer | Komatsu Axle Oil (AXO class). |
| Hydraulic System/Tank | verify with dealer | Komatsu Hydraulic Oil (HO/HYDO class). |
| Grease | not specified | Komatsu Grease. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D21PG-7A(S/N 75001-78603-UP) 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 |
|
Servicing the D21PG-7A(S/N 75001-78603-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor the condition of Komatsu engine oil and hydraulic fluids regularly. Use fluid analysis to detect early signs of 4D95S engine wear or transmission clutch degradation. Check for metal particulates in the Hydroshift transmission oil to prevent planetary gear failure. Maintaining clean fuel via frequent water separator draining is critical to protecting the 4-cylinder injection system from contamination.
Corrective & Common Repairs
Address steering clutch disengagement issues by inspecting linkage and adjustment bolts near the control valve. If engine stalling occurs during blade movement, check for hydraulic air or blown cylinder gaskets. Monitor for transmission clutch slip or engagement trouble in forward/reverse gears. Ensure all electrical connections are secure to prevent intermittent sensor faults within the Dash-7 control system.
Overhaul & Rebuild Points
Plan major overhauls around engine displacement limits and undercarriage wear. Significant rebuild points include replacing worn track rollers, idlers, or 19.69 inch (500 mm) track shoes when pitch exceeds factory limits. For the powertrain, evaluate the final drive and transmission planetary gears if unusual noise occurs. Rebuild hydraulic pumps when flow rates drop below required operational thresholds.
Seasonal & Environment Servicing
In cold weather operations, utilize appropriate Komatsu lubricants for low-temperature viscosity. During high-dust summer months, increase frequency of air cleaner inspections and radiator cleaning to prevent overheating. For machines working in wet or muddy terrain, perform daily undercarriage cleaning to prevent debris buildup between track rollers and the chassis, which accelerates component wear.
D21PG-7A(S/N 75001-78603-UP) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 600-311-1190 | Plate? Caution,Fuel Filter | Fuel system service | Check fitment → |
| 09637-90263 | Plate? Instruction,Air Cleaner Element Mainte | Air intake service | Check fitment → |
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30163 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30262 | Plate? Instruction,Air Cleaner (Double Element) | Air intake service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D21PG-7A(S/N 75001-78603-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power malfunction | Faulty ECM power connections, blown fuses, or defective ground wires | Inspect ECM power connections, fuses, and ground wires |
| E11 | Engine protection—output power reduced | High coolant temperature, low oil pressure, or restricted air filter | Check coolant temperature, engine oil pressure, and air filter condition |
| CA115 | Engine crankshaft speed sensor failure | Broken speed sensor, wiring harness damage, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA122 | Intake air pressure high voltage | Malfunctioning intake pressure sensor or wiring fault | Verify the intake pressure sensor and associated wiring |
| CA123 | Intake air pressure low voltage | Sensor short circuit or airflow restriction in the system | Check for sensor shorts or physical airway obstructions |
| CA441 / CA442 | Battery voltage too low or too high | Alternator failure or defective battery/voltage regulator | Replace the alternator or battery and check the voltage regulator |
| AA10NX | Air cleaner clogging | Excessive dust accumulation in the air filter element | Replace the air filter element |
| B@BAZG | Engine oil pressure low | Low engine oil level or mechanical pump failure | Check engine oil level and inspect oil pressure sensor |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D21PG-7A(S/N 75001-78603-UP) attachments & work tools
Blades
Standard blade width is 8.4 ft in (2560 mm) with a height of 23.3 in (590 mm). Configuration-specific S/SU/A or VPAT availability and exact capacities are not documented for this specific serial range.
Rippers
Multi-shank rippers featuring high-lift design and alloy steel shanks are available for the D2/series. Specific single-shank options or weight values for this exact serial range are not provided.
Winches
Specific winch class or towing winch options for the D21PG-7A (S/N 75001-78603-UP) are not documented in technical sources.
Drawbars/counterweights
Specific drawbar or counterweight dimensions and weights for this configuration are not specified in the documentation.
Cab/ROPS guarding options
The machine features a fuel tank configuration option with or without ROPS cab. Specific forestry or waste-specific guarding details for this serial range are not documented.
Hydraulic arrangement notes
The machine utilizes a hydroshift transmission system. Lever options for PAT dozer configurations with 3-point hitch are noted for related D21P-7A models (S/N 80228-).
All D21PG-7A(S/N 75001-78603-UP) assemblies by section
Every catalogued assembly group for the Komatsu D21PG-7A(S/N 75001-78603-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d95s-1j S/N 124813-Up
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Air Cleaner
| 01***16 | Bolt,(With Alternator Cover Type) | 2 |
| 01***06 | Nut | 6 |
| 04***10 | Ring,See Fig. K4010-65a0 | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Air Intake Manifold
| 01***65 | Stud | 1 |
| 01***12 | Bolt,(With Speedometer) | 4 |
| 01***65 | Bolt,(With Water Separator) | 5 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Air Intake Manifold (With Pre-Cleaner)(#162320-)
| 01***65 | Stud | 1 |
| 01***65 | Bolt,(With Water Separator) | 5 |
| 01***75 | Bolt,(For Shipping) | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Air Intake Manifold (With Water Separator)
| 01***75 | Stud | 1 |
| 01***12 | Bolt,(With Speedometer) | 4 |
| 01***65 | Bolt,(With Water Separator) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Alternator (15a) (Inner Parts)
| 60***50 | Alternator A. (15a) | 1 |
| KD***70 | Cover | 1 |
| KD***30 | Retainer | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Alternator (25a) (Inner Parts)(#163446-)
| 60***20 | Alternator A. (25a),(With Non Hardening Pulley) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***11 | Rear Bracket Ass'Y | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Alternator Mounting (15a)
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 01***55 | Bolt,(With Engine Stop Motor Type) | 1 |
| 01***06 | Nut | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Alternator Mounting (25a)(#163446-)
| 01***35 | Bolt | 1 |
| 01***55 | Bolt,(With Engine Stop Motor Type) | 1 |
| 01***11 | Nut,(For Center Guard) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Block Heater (Cold Terrain Spec.)
| 01***25 | Bolt,(With Corrosion Resistor) | 4 |
| 60***90 | Heater,Water | 1 |
| 62***10 | Gasket,Plate (Except Japan) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 62***31 | Thrust Washer | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cooling Fan
| 01***25 | Bolt,(With Corrosion Resistor) | 4 |
| 01***30 | Bolt,(Water Separator Spec.) | 4 |
| 60***40 | Fan,Cooling | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Crank Pulley
| 01***35 | Bolt | 1 |
| 61***20 | Bolt | 1 |
| 62***40 | Pulley?Non Hardening,Crank (For Trimming Dozer) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Crankshaft
| 62***00 | Crankshaft Ass'Y | 1 |
| 62***00 | Main Metal Ass'Y | 5 |
| 62***00 | Thrust Metal Ass'Y | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Block
| 04***20 | Pin,Dowel (Welded) | 2 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***08 | Adapter Sleeves | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Block (Cold Terrain Spec.)
| 04***20 | Pin,Dowel (Welded) | 2 |
| 04***28 | Pin, Dowel - Transmission Case, Pin-Dowel | 2 |
| 04***08 | Adapter Sleeves | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Block Cover
| 01***14 | Bolt | 2 |
| 61***20 | Gasket,Plate | 1 |
| 62***10 | Plate | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Block Cover (Cold Terrain Spec.)
| 01***14 | Bolt | 2 |
| 61***20 | Gasket,Plate | 1 |
| 62***10 | Plate | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Block Gasket Kit(#.-)
| 01***12 | Washer,Lock (Noise Suppression Spec.) (K2) | 1 |
| 01***12 | Washer,Lock? Injection Gear | 1 |
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Block Gasket Kit(#124813-.)
| 07***65 | O-Ring,Injection Pump Case | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***35 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Head
| 01***32 | Washer, (Without Emergency Steering) | 17 |
| 02***04 | Plug, Pipe | 1 |
| 07***10 | Plug, Expansion | 9 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Head Gasket Kit(#.-)
| 07***90 | O-Ring,(Dk029369-0020) (K2) | 1 |
| 07***40 | O-Ring,Water Pump Mount | 1 |
| 08***14 | Band,(For Additional Fuel Strainer) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Cylinder Head Gasket Kit(#124813-.)
| 07***40 | O-Ring,Water Pump Mount | 1 |
| 08***14 | Band,(For Additional Fuel Strainer) | 1 |
| 08***19 | Band,(Without Air Conditioner) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Engine Mounting
| 01***55 | Bolt,(See Service News) | 8 |
| 01***45 | Bolt, Bracket Mounting | 8 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Exhaust Manifold
| 01***25 | Grub Screw | 4 |
| 01***45 | Bolt, Bracket Mounting | 7 |
| 61***50 | Nut | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Exhaust Manifold (With Spark Arrester And Catalyzer Type)
| 01***25 | Grub Screw | 4 |
| 01***45 | Bolt, Bracket Mounting | 5 |
| 61***50 | Nut | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Flywheel
| 01***30 | Bolt | 6 |
| 06***04 | Bearing,Ball | 1 |
| 62***93 | Gear,Ring | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Flywheel Housing
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 61***32 | Seal? Rear (K2) | 1 |
| 62***70 | Housing,Flywheel | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Front Cover
| 01***10 | Bolt | 1 |
| 01***16 | Bolt | 2 |
| 01***20 | Bolt,(With Tachometer Outlet) | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Front Cover (Without Cover)
| 01***10 | Bolt | 1 |
| 01***16 | Bolt | 2 |
| 01***16 | Screw | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Front Hanger
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***30 | Hanger,Front (W/O Corrosion Resistor) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Front Power Take Off (For 13a? 25a Alternator)(#136990-)
| 06***07 | Bearing,Roller | 1 |
| 61***60 | Bearing,Ball | 1 |
| 62***00 | Shaft Ass'Y,Power Take Off | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Front Power Take Off (For 15a Alternator)
| 06***07 | Bearing,Roller | 1 |
| 61***60 | Bearing,Ball | 1 |
| 62***60 | Distance Piece | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Filter(#124813-157192)
| 01***65 | Bolt,(With Water Separator) | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 6 |
| 07***14 | Bolt,Joint | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Filter(#157193-)
| 01***65 | Bolt,(With Water Separator) | 2 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 6 |
| 07***14 | Bolt,Joint | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Feed Pump) (Inner Parts)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***20 | Pump,Priming | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Feed Pump) (Inner Parts) (For Japan) (Noise Suppression Spec. For Ec.)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***20 | Pump,Priming | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***30 | Governor Ass'Y | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Governor) (1/2) (Inner Parts) (For Japan) (Noise Suppression Spec. For Ec.)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***80 | Nut | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts)
| DK***00 | Spring,Governor | 1 |
| DK***20 | Lever | 1 |
| DK***40 | Gasket,Air Compressor | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Governor) (2/2) (Inner Parts) (For Japan) (Noise Suppression Spec. For Ec.)
| DK***00 | Spring,Governor | 1 |
| DK***20 | Lever | 1 |
| DK***40 | Gasket,Air Compressor | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts)
| 62***60 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing | 0 |
| DK***20 | Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm | 0 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Pump) (1/2) (Inner Parts) (For Japan) (Noise Suppression Spec. For Ec.)
| 62***50 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing | 0 |
| DK***20 | Shim, 1.40mm; Was Dk029311-7220, Shim? 1.4mm | 0 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***20 | Plunger Ass'Y | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump (Pump) (2/2) (Inner Parts) (For Japan) (Noise Suppression Spec. For Ec.)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***20 | Plunger Ass'Y | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump Lubricator
| 07***12 | Gasket,(Without Air Compressor Type) (K2) | 2 |
| 07***10 | Screw, Banjo Connector (M10-1.25x20) | 1 |
| 62***30 | Pipe,Oil | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump Mounting
| 01***35 | Grub Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump Mounting (For Japan) (Noise Suppression Spec. For Ec.)
| 01***35 | Grub Screw | 4 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Injection Pump Piping
| 01***12 | Bolt | 2 |
| 01***25 | Screw | 2 |
| 62***10 | Tube,Injection? No.1 | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Return(#124813-157192)
| 04***10 | Clip | 2 |
| 07***21 | Tube,Spill | 1 |
| 07***85 | Clip | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Fuel Return(#157193-)
| 04***08 | Clip | 1 |
| 07***00 | Clip | 1 |
| 62***10 | Cover | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Glow Plug
| 60***40 | Glow Plug,Glow | 4 |
| 62***10 | Lead | 3 |
| 62***11 | Wire | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Head Cover
| 01***14 | Screw | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 04***50 | Screw | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Head Cover (With Water Separator)
| 01***14 | Screw | 1 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 04***50 | Screw | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Heater Signal
| 60***61 | Signal,Heater | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Idler Gear
| 01***70 | Bolt,(For 75a Alternator) | 1 |
| 04***20 | Ring, Snap | 1 |
| 06***06 | Bearing,Roller | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Inhibtor
| 60***20 | Inhibitor | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Injection Nozzle(#124813-157192)
| 01***35 | Bolt, Mount Bracket To Floor | 4 |
| 07***00 | Clip | 8 |
| 62***00 | Nozzle Holder Ass'Y | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Injection Nozzle(#157193-)
| 01***35 | Bolt, Mount Bracket To Floor | 4 |
| 07***00 | Clip | 9 |
| 62***00 | Nozzle Holder Ass'Y | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Muffler
| 01***12 | Bolt,(See Fig.0501) | 2 |
| 01***11 | Nut,(Spark Arrester Spec.) | 2 |
| 07***25 | Hose | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Muffler (Catalyzer Type)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***90 | Bolt,(For Large Fan) | 2 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Muffler (For Japan) (Noise Suppression Spec. For Ec.)
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 01***11 | Nut,(Spark Arrester Spec.) | 1 |
| 61***80 | Gasket,Exhaust Manifold | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Muffler (With Spark Arrester Catalyzer Type)
| 01***16 | Bolt - Starting Motor Ground Cable | 1 |
| 01***90 | Bolt,(For Large Fan) | 2 |
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Muffler (With Spark Arrester)
| 01***16 | Bolt,(With Alternator Cover Type) | 1 |
| 61***80 | Gasket,Exhaust Manifold | 1 |
| 62***10 | Muffler | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (Chinese)
| 09***61 | Plate? Instruction,(Chinese) (Not Shown) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner Element Mainte | 1 |
| 60***20 | Plate? Caution,Oil Filter | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (English)
| 09***61 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner (Single Element) | 1 |
| 60***30 | Plate? Caution,Oil Filter And Bypass Filter | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (French)
| 09***62 | Plate? Instruction,Air Cleaner (Double Element) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner Element Mainte | 1 |
| 60***90 | Plate? Caution,(French-English) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (German)
| 09***61 | Plate? Instruction,(German-English) (Not Shown) | 1 |
| 09***63 | Plate? Instruction,Air Cleaner Element Mainte | 1 |
| 60***80 | Plate? Caution,(German-English) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (Indonesian)
| 09***61 | Plate? Instruction,(Indonesian-English)(Not Shown | 1 |
| 09***63 | Plate? Instruction,(For Indonesia) | 1 |
| 60***50 | Plate? Caution,(Indonesian-English) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (Italian)
| 09***61 | Plate? Instruction,(Italian-English) (Not Shown) | 1 |
| 09***63 | Plate? Instruction,(For Italian) | 1 |
| 60***20 | Plate? Caution,(Italian-English) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (Russian)
| 09***63 | Plate? Instruction,Air Cleaner | 1 |
| 09***62 | Plate? Instruction,Air Cleaner (Double Element) | 1 |
| 60***50 | Plate? Caution,(Russian-English) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Name Plate And Caution (Spanish)
| 09***61 | Plate? Instruction,(Spanish-English) (Not Shown) | 1 |
| 09***63 | Plate? Instruction,(Spanish) (Not Shown) | 1 |
| 60***70 | Plate? Caution,Oil Filter And Bypass Filter | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Nozzle Holder (Inner Parts)(#124813-157192)
| 62***10 | Holder Ass'Y | 4 |
| DK***00 | Shim? 0.75mm | 0 |
| DK***00 | Shim? 1.200mm | 0 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Nozzle Holder (Inner Parts)(#157193-)
| 62***10 | Holder Ass'Y | 4 |
| DK***00 | Shim? 0.75mm | 0 |
| DK***00 | Shim? 1.200mm | 0 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Filter
| 60***40 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***42 | Cartridge,Engine Oil Filter | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Level Gauge (Cold Terrain Spec.)(#124813-163445)
| 01***95 | Bolt,(For Shipping) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 61***20 | Spacer,(For Shipping) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Level Gauge (Cold Terrain Spec.)(#163446-)
| 01***95 | Bolt,(For Shipping) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 61***20 | Spacer,(For Shipping) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Level Gauge(#124813-163445)
| 01***95 | Bolt,(For Shipping) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 61***20 | Spacer,(For Shipping) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Level Gauge(#163446-)
| 01***95 | Bolt,(For Shipping) | 1 |
| 01***20 | Bolt,(For Japan Pc200) | 1 |
| 61***20 | Spacer,(For Shipping) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pan And Suction Tube (Cold Terrain Spec.)(#124813-163445)
| 01***16 | Bolt, Mount Solenoid Valve | 24 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pan And Suction Tube (Cold Terrain Spec.)(#163446-)
| 01***16 | Bolt, Mount Solenoid Valve | 24 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pan And Suction Tube(#124813-163445)
| 01***16 | Bolt, Mount Solenoid Valve | 24 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pan And Suction Tube(#163446-)
| 01***16 | Bolt, Mount Solenoid Valve | 24 |
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pressure Switch
| 08***05 | Switch,Engine Oil Pressure | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pressure Switch (Cold Terrain Spec.)
| 08***05 | Switch,Engine Oil Pressure | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pump
| 01***16 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 62***01 | Cover Ass'Y | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Oil Pump (Cold Terrain Spec.)
| 01***16 | Screw | 4 |
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 62***01 | Cover Ass'Y | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Piston
| 04***12 | Ring, Snap | 8 |
| 62***60 | Piston (S) | 4 |
| 62***60 | Piston (S) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Rear Hanger
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 62***10 | Hanger,Rear | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Rocker Arm
| 01***65 | Bolt,(For Alternator Bracket Mount) | 5 |
| 61***30 | Circlip | 2 |
| 62***00 | Shaft Ass'Y | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Spare Parts (Cold Terrain Spec.)
| 04***47 | V-Belt,(With 25a Alternator) | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Spare Parts (For 13a Alternator)
| 04***46 | V-Belt,Cooling Fan | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Spare Parts (For 25a Alternator)(#163446-)
| 04***48 | V-Belt,(For 50a? 75a Alternator) | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Spare Parts (Noise Suppression Spec. For Ec.)
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 62***10 | V-Belt,Fan Drive | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Starting Motor (2.8kw) (Inner Parts)(#124813-157192)
| 60***70 | Starting Motor Ass'Y,(2.8kw) | 1 |
| KD***60 | Bracket,Center | 1 |
| KD***50 | Stopper,Piston | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Starting Motor Mounting (2.8kw)
| 01***30 | Bolt | 2 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 60***71 | Starting Motor Ass'Y,(2.8kw) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Stop Motor
| 01***16 | Bolt, Mounting Transmission Control Switch | 3 |
| 01***25 | Bolt - Relay Mounting | 3 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Water Pump
| 01***16 | Screw | 5 |
| 01***25 | Bolt - Relay Mounting | 2 |
| 01***20 | Screw | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Water Pump Pulley
| 04***47 | V-Belt,(With 25a Alternator) | 1 |
| 62***61 | Pulley?Non Hardening | 1 |
| 62***10 | Plate | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Water Pump Pulley (For Japan) (Noise Suppression Spec. For Ec.)
| 62***10 | V-Belt,Fan Drive | 1 |
| 62***70 | Pulley | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : 4d95s-1j S/N 124813-Up : Water Separator
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 6 |
Control System
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Brake Pedal (For Mono Lever Steering)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Brake Pedal (With Cab) (For Mono Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Brake Pedal (With Steel Cab)(For Mono Lever Steering)
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Brake Pedal Linkage (For Mono Lever Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Fuel Control Lever (For Mono Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Fuel Control Lever (For Mono Lever Steering) (With Steel Cab)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Inching Pedal (For F2-R2 Transmission) (With Cab)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Inching Pedal (For F3-R3 Transmission)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 3 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Inching Pedal (For F3-R3 Transmission) (With Cab)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 3 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Inching Pedal Linkage (For F3-R3 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Inching Pedal(For F2-R2 Transmission)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Oil Cooler Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : P.P.C. Valve (For Mono Lever Steering)(#75001-76440)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : P.P.C. Valve (For Mono Lever Steering)(#76441-78603)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 07***20 | O-Ring,Relief Valve | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Steering Brake Cylinder (For Mono Lever Steering)
| 07***15 | O-Ring,(Without Boom Kickout) | 1 |
| 07***18 | O-Ring,(See Fig.1601-29?1602-17) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Steering Piping (Brake Cylinder Line) (3/3) (For Mono Lever Sreering)
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 4 |
| 01***11 | Nut - Mounting | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Steering Piping (Steering Booster Line) (2/3) (For Mono Lever Steering)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Steering Piping (Transmission Line) (1/3) (For Mono Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Transmission Control Lever (3/3) (For Mono Lever Steering)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Transmission Control Lever (3/3) (For Mono Lever Steering) (With Steel Cab)
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Transmission Control Lever (For F2-R2 Transmission) (1/3) (For Mono Lever Steering)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Transmission Control Lever (For F2-R2 Transmission) (2/3) (For Mono Lever Steering)
| 01***30 | Bolt,(For Mechanical Governor) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Transmission Control Lever (For F3-R3 Transmission) (1/3) (For Mono Lever Steering)
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***30 | Bolt,(For Mechanical Governor) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Control System : Transmission Control Lever (For F3-R3 Transmission) (2/3) (For Mono Lever Steering)
| 01***30 | Bolt,(For Mechanical Governor) | 8 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
Engine Related Parts And Electrical System
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Back-Up Alarm
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***05 | Capscrew | 2 |
| 01***20 | Screw | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And 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***10 | Terminal? (+) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Battery (Large Capacity Type)
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Electrical System (With Key Stop Motor)
| 01***10 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 10 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Electrical System (Without Key Stop Motor)
| 01***10 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 10 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***10 | Bolt (Op) | 4 |
| 10***20 | Cushion | 4 |
| 10***30 | Cushion | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Fuel Tank Additional Strainer And Piping
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 5 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping (With Rops Cab)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping (With Steel Cab)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Mono Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Screw | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Mono Lever Steering) (With Tachometer)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Mono Lever Steering) (With Vandalism Protection)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Screw | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Radiator And Piping(#75001-78085)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Radiator And Piping(#78086-78603)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Engine Related Parts And Electrical System : Radiator Reservoir Tank
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Guard
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Additional Work Lamp (With Steel Cab)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***10 | Nut,(Fig.F2820-01a3-12) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Air Conditioner (Air Compressor And Mounting) (4/6)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 7 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Air Conditioner (Air Compressor Piping) (5/6)
| 01***12 | Bolt | 1 |
| 01***25 | Bolt,(For Automatic) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Air Conditioner (Air Conditioner Unit Mounting) (1/6)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 16 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Air Conditioner (Air Duct And Control Panel) (3/6)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 10 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Air Conditioner (Condensor And Mounting) (2/6)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 7 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 7 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Air Conditioner (Heater Piping) (6/6)
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 3 |
| 04***10 | Clip | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Canopy
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 12 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Canopy (Canvas)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 16 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Car Heater (1/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Car Heater (2/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
| 08***14 | Clip,(For Large-Capacity Battery) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : 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 : D21pg-7a(S/N 75001-78603-Up) : Guard : Condensor
| 08***00 | Connector (Modify Air Dryer Lead) | 1 |
| 08***01 | Connector - At Radio Power Source And Speaker | 1 |
| 11***30 | Condenser | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Cross Bar
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 8 |
| 01***40 | Bolt,(With Center Guard) | 8 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 16 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Head Guad
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 18 |
| 01***75 | Bolt | 24 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 18 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Loader Frame And Floor Plate (For Mono Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Loader Frame And Floor Plate (With Rops Cab)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Loader Frame And Floor Plate (With Steel Cab)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 13 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Operator'S Seat (With Oil Damper)(#75001-78085)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 16 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Operator'S Seat (With Oil Damper)(#78086-78603)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 13 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Operator'S Seat (With Steel Cab)
| 01***16 | Bolt (With Air Heater & Conditioner) | 3 |
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Operator'S Seat(#75001-76515)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Operator'S Seat(#76516-78603)
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Radiator Guard And Hood
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 9 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rear Cover And Hydraulic Tank
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rear Cover And Hydraulic Tank (With Rops Cab)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rear Cover And Hydraulic Tank (With Steel Cab)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Room Mirror (With Steel Cab)
| 01***20 | Bolt,(Forwarded Individually Parts) | 2 |
| 14***31 | Bracket | 1 |
| 14***40 | Mirror | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rops Bracket
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 26 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 8 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 34 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rops Cab (Body) (1/5)
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rops Cab (Door And Side Window) (3/5)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***45 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rops Cab (Electrical System) (4/5)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rops Cab (Front And Rear Window) (2/5)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rops Cab (Mounting Parts) (5/5)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 9 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Rops Canopy
| 01***80 | Washer,(For R.H. Steering) | 4 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Name,(Limited Supply) (Japanese) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Steel Cab (Body) (1/6)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***20 | Screw | 2 |
| 01***16 | Screw,(With Payload Meter) | 5 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Steel Cab (Door Lock) (3/6)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 8 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Steel Cab (Door) (2/6)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***30 | Bolt | 8 |
| 01***12 | Screw | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Steel Cab (Electrical System) (6/6)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Screw | 2 |
| 01***14 | Screw | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Steel Cab (Window) (4/6)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***12 | Screw,(With Articulate Indicator) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Steel Cab (Wiper Motor) (5/6)
| 01***16 | Screw, Mount Parking Lights | 2 |
| 01***16 | Bolt - Starting Motor Ground Cable | 4 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Steel Cab Mount Bracket
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 6 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 8 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 16 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Sunvisor (With Steel Cab)
| 01***12 | Bolt, Bolt,(No Need To Quick Shift) | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
| 19***51 | Sun Visor | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Under Guard
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Under Guard (With Front Hook)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Guard : Water Valve (For Car Heater)
| 07***59 | Clamp,See Fig. K4010-05a0 | 4 |
| 09***00 | Valve | 1 |
| 10***20 | Hose | 2 |
Main Clutch? Damper? Transmission? Steering And Final Drive
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Bevel Gear And Shaft
| 01***30 | Bolt,(For Center Guard) | 9 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Brake
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 8 |
| 01***23 | Plain Washer | 2 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Damper
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***75 | Bolt,(For Adjusting) | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Final Drive Case(#75001-77124)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 16 |
| 01***70 | Bolt - Accumulator Mounting Bracket | 22 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Final Drive Case(#77125-78603)
| 01***30 | Bolt,(With Body Positioner) | 16 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 8 |
| 01***70 | Bolt - Accumulator Mounting Bracket | 30 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Final Drive Gear
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 16 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Sprocket And Shaft
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***11 | Nut - Mounting | 24 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Steering Case And Main Frame (For Mono Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 11 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 11 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Steering Case Cover (For Mono Lever Steering)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering 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 : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Steering Clutch(#75001-76515)
| 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 : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Steering Clutch(#76516-78603)
| 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 : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F2-R2) (1st Housing) (4/6)(For Mono Lever Steering)
| 04***12 | Pin, Spring | 3 |
| 04***15 | Ring, Snap | 1 |
| 04***15 | Ring,Back-Up | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F2-R2) (Case) (1/6) (For Mono Lever Steering)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***35 | Bolt,(For Position Fixing) | 3 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 14 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F2-R2) (Forward And 2nd Housing) (3/6) (For Mono Lever Steering)
| 04***12 | Pin, Spring | 3 |
| 07***08 | Plug,(Without Lock-Up), Plug | 1 |
| 10***40 | Housing Ass'Y,Forward And 2nd | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F2-R2) (Pump) (6/6) (For Mono Lever Steering)
| 01***45 | Screw | 3 |
| 01***55 | Bolt,(10m) | 7 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F2-R2) (Reverse Housing) (2/6) (For Mono Lever Steering)
| 01***50 | Bolt,(With Service Valve R.H.) | 1 |
| 04***12 | Pin, Spring | 3 |
| 04***18 | Ring,Snap (With Emergency Steering) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F2-R2) (Transfer) (5/6) (For Mono Lever Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***75 | Bolt, Tube Mounting | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F3-R3) (1st Housing) (5/7)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***45 | Screw | 10 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F3-R3) (2nd Housing) (4/7)
| 01***08 | Screw | 1 |
| 04***15 | Ring,Back-Up | 1 |
| 04***20 | Ring, Snap | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F3-R3) (Case) (1/7)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***35 | Bolt,(For Position Fixing) | 1 |
| 01***45 | Screw | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F3-R3) (Forward And 3rd Housing) (3/7)
| 04***24 | Pin,Dowel (For No.3 Housing) | 2 |
| 10***20 | Gear | 1 |
| 10***20 | Gear | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F3-R3) (Pump) (7/7)
| 01***45 | Screw | 3 |
| 01***55 | Bolt,(10m) | 7 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F3-R3) (Reverse Housing) (2/7)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***12 | Washer,(F2320-63a2 -13 ) | 1 |
| 04***00 | Key | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission (F3-R3) (Transfer) (6/7)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***75 | Bolt, Tube Mounting | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission Valve (F2-R2) (Modulation) (For Mono Lever Steering)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***60 | Bolt,(For Japan And Sweden) | 2 |
| 01***70 | Bolt (Op) | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission Valve (F2-R2) (Selector And Inching) (For Mono Lever Steering)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***50 | Bolt (Kit) | 8 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission Valve (F3-R3) (Modulation)
| 01***20 | Bolt,(With Auto Emergency Steering) | 5 |
| 01***60 | Bolt,(For Japan And Sweden) | 3 |
| 01***70 | Bolt (Op) | 5 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Transmission Valve (F3-R3) (Selector And Inching)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***50 | Bolt (Kit) | 8 |
| 01***75 | Bolt,(For Shipping) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Main Clutch? Damper? Transmission? Steering And Final Drive : Universal Joint
Mark Plate? Tool And Kit
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Mark Plate? Tool And Kit : Center Of Gravity Mark
| 09***01 | Plate? Mark,Keep A Safe Distance | 4 |
| 09***12 | Plate? Mark,Location Of Center Of Gravity | 2 |
| 11***10 | Table,Slinging Position | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Mark Plate? Tool And Kit : Marks And Plates (English)(#75001-76526)
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Mark Plate? Tool And Kit : Service Kit (For F2-R2 Transmission)
| 07***08 | O-Ring,(F2320-53a3 -38 ) | 5 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Mark Plate? Tool And Kit : Service Kit (For F3-R3 Transmission)
| 01***12 | Washer,(F2320-63a2 -13 ) | 1 |
| 07***08 | O-Ring,(F2320-53a3 -38 ) | 5 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Mark Plate? Tool And Kit : Tool
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***45 | Nozzle, Grease Pump (Non-Flexible Type) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Mark Plate? Tool And Kit : Vandalism Protection
| 07***00 | Cap,(For Vandalism) | 1 |
| 09***00 | Lock,(With Vandalism Protection) | 1 |
Track
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Carrier Roller (Rubber Shoe Spec.)(#75001-76526)
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 1 |
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***40 | Bolt,(With Service Valve R.H.) | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Carrier Roller (Rubber Shoe Spec.)(#76527-78603)
| 01***25 | Bolt,(For Slag Handling) | 1 |
| 01***25 | Bolt,Without Revolution Sensor | 3 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Front Idler (Rubber Shoe Spec.)(#75001-76526)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Front Idler (Rubber Shoe Spec.)(#76527-78603)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***30 | Bolt,(With Body Positioner) | 8 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Recoil Spring (Rubber Shoe Spec.)(#75001-76526)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 8 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Recoil Spring (Rubber Shoe Spec.)(#76527-78603)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Frame (Rubber Shoe Spec.)(#75001-76526)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***25 | Bolt,(For Rubber Shoe) | 24 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Frame (Rubber Shoe Spec.)(#76527-78603)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***25 | Bolt,(For Rubber Shoe) | 16 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Roller (For 6-Track Rolleer) (Rubber Shoe Spec.)(#75001-76526)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 48 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Roller (For 6-Track Rolleer) (Rubber Shoe Spec.)(#76527-77967)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 48 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Roller (For 6-Track Rolleer)(#77968-78603)
| 01***50 | Bolt,(Shim Thickness?Less Than 8mm) | 48 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 48 |
| 07***38 | Ring, Seal - Between Sections | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Roller (Rubber Shoe Spec.)(#75001-76526)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 40 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Roller (Rubber Shoe Spec.)(#76527-77967)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 40 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Shoe (Rubber Type) (500mm Wide)(#75001-76526)
| 10***50 | Shoe,Rubber | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Track : Track Shoe (Rubber Type) (500mm Wide)(#76527-78603)
| 10***10 | Shoe,Rubber | 2 |
Work Equipment
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : 3-Point Hitch (1/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 4 |
| 01***40 | Bolt (Op) | 8 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : 3-Point Hitch (2/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***25 | Bolt,Without Revolution Sensor | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : 3-Point Hitch Cylinder
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***11 | Nut | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Angle Cylinder
| 01***19 | Nut | 1 |
| 04***20 | Ring, Snap | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Angle Tilt Blade
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
| 02***40 | Bolt,(Pl) | 21 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Angle Tilt Frame
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***60 | Bolt, Mount Pole | 6 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Dozer Lock
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
| 10***10 | Rope,Wire | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Hitch
| 01***40 | Bolt (Op) | 2 |
| 01***45 | Washer,(Without R.O.P.S.) | 2 |
| 10***12 | Drawbar | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Hydraulic Piping (Angle Cylinder Line) (Dozer Side) (For Single Lever)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
| 07***12 | O-Ring (Itl) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Hydraulic Piping (Tilt Cylinder Line) (Dozer Side) (For Single Lever)
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Hydraulic Piping Cover
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Swing Drawbar
| 01***45 | Bolt (Op) | 10 |
| 01***45 | Washer,(Without R.O.P.S.) | 10 |
| 04***12 | Pin,Cotter (For Ripper) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Swing Drawbar (For 3-Point Hitch)
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 8 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 4 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 12 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment : Tilt Cylinder
| 01***18 | Bolt | 1 |
| 01***22 | Nut,(North America Spec.) | 1 |
| 01***32 | Washer, (Without Emergency Steering) | 1 |
Work Equipment Control System
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Piping (Angle Cylinder Line) (Chassis Side) (For Single Lever)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***50 | Tube | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve) (For 25a Alternator)
| 01***45 | Screw | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Piping (Tilt Cylinder Line) (Chassis Side) (For Single Lever)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Piping (Valve To Cylinder) (For 3-Point Hitch)
| 01***18 | Bolt | 1 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Tank And Filter (For 3-Point Hitch)
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Tank And Filter (For Pat)(For Single Lever) (With Steel Cab)
| 01***25 | Bolt,Without Revolution Sensor | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 7 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Hydraulic Tank And Filter (For Single Lever)
| 01***25 | Bolt,Without Revolution Sensor | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 7 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Lift Cylinder
| 01***40 | Bolt, Mount Master Brake Cylinder | 1 |
| 01***19 | Nut | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Control Lever (1/2) (For 3-Point Hitch)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Control Lever (1/2)(With Steel Cab) (For Single Lever)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Control Lever (2/2) (For 3-Point Hitch)
| 01***05 | Nut,L.H. (For Trimming Dozer) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
| 04***24 | Pin, Spring | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Control Lever (2/2)(With Steel Cab) (For Single Lever)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 10 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Control Lever (For Single Lever)
| 01***16 | Bolt (With Air Heater & Conditioner) | 6 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Pump
| 01***75 | Bolt | 4 |
| 01***32 | Washer, (Without Emergency Steering) | 4 |
| 04***20 | Pin,Dowel (Welded) | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Valve (1/2) (For 3-Point Hitch)
| 01***16 | Bolt (Op) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 4 |
| 01***30 | Bolt | 4 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Valve (1/2) (For Single Lever)
| 01***16 | Bolt (Op) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 2 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Valve (2/2) (For 3-Point Hitch)
| 07***15 | O-Ring,(Without Boom Kickout) | 1 |
| 07***14 | O-Ring,(F4350-61a0a-20 ) | 2 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 3 |
Komatsu : D21pg-7a(S/N 75001-78603-Up) : Work Equipment Control System : Work Equipment Valve (2/2) (For Single Lever)
| 07***14 | O-Ring,(F4350-61a0a-20 ) | 1 |
| 07***34 | O-Ring, O-Ring,Drain Plug? R.H. Half Tank | 2 |
| 70***00 | Valve Ass'Y,Suction | 1 |
D21PG-7A(S/N 75001-78603-UP) serial number reference
Locate the PIN plate riveted to the front frame casting, typically on the operator's left side near the radiator support. The prefix is the alphanumeric model designation preceding the sequential serial number digits. Cross-check the serial number against the catalog cover to ensure the correct version is selected, as parts vary by serial range.
| Prefix | Identifies | Notes |
|---|---|---|
| D21PG-7A | D21PG-7A (S/N 75001-78603) | Standard configuration for this serial range. Parts catalogs distinguish radiator and piping components for serials #75001-78085 and #78086-78603. Engine is the 4D95S or variants depending on specific sub-range. |
Frequently asked questions
What engine is installed in this D21PG-7A?
The machine is powered by a Komatsu 4D95S diesel engine with 4 cylinders and a displacement of 164.2 cu in (2.7 L).
What is the operating weight of this model?
The standard operating weight for the D21PG-7A is 8884.7 lb (4030 kg).
What machine replaced the D21 series?
Specific successor model not documented; however, it belongs to the Dash-7 generation lineage of Komatsu crawler tractors.
What D21PG-7A(S/N 75001-78603-UP) owners discuss
What are common steering issues reported for the D21PG-7A?
Operators frequently report steering difficulties, such as the machine failing to steer or clutches not disengaging. A known issue is the steering clutches rusting together. Technicians should inspect the clutch linkage and adjustment bolts near the steering control valve, and check hydraulic pressure levels at the actuator. If pistons are not providing enough pressure to release the clutch, it may indicate a hydraulic system fault or air in the system.
What engine is installed in the Komatsu D21PG-7A (S/N 75001-78603-UP)?
The D21PG-7A (S/N 75001-78603-UP) is equipped with a Komatsu 4D95S engine. Note that other configurations in this series, such as the D2intP-7A (S/N 78604-UP), may utilize the 4D94E-1 emission-compliant engine.
What are the typical hydraulic and transmission behaviors for this model?
The machine utilizes a hydrostatic (HS) transmission with two forward and two reverse gears. Common reported behaviors include engine stalling when pulling back levers, which may be linked to air in the hydraulic system following component failures, such as a blown blade cylinder gasket.
What undercarriage specifications should be noted for this machine?
The D21PG-7A features an undercarriage with 5 track rollers per side and a track pitch of 5.77 in (146.5 mm). The standard shoe size is 19.69 in (500 mm).
What electrical or sensor-related faults are documented for Komatsu machines?
Fault codes can indicate various issues, including transmission clutch double engagement or release trouble in forward/reverse gears. Sensor-related errors may include open or short circuits in the recirculation air temperature sensor, fresh air temperature sensor, or evaporator temperature sensor.
What should be checked when buying a used Komatsu D21PG-7A (S/N 75001-78603-UP)?
Verify the serial number on the front frame casting against the riveted plate near the radiator support. Check for any mismatch between the chassis-engintraved number and the plate, as this is a primary signal of stolen equipment. For machines built since 2008, use Komtrax to compare recorded operating hours against the dashboard meter to detect potential hour-meter rollback; a gap exceeding approximately 50 hours warrants investigation.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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