Komatsubulldozersmall ( - d39)
Komatsu D21P-7T(S/N 78604-UP (Trimming Dozer (m/c)))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D21P-7T (S/N 78604-UP) is a specialized trimming dozer designed for precision earthmoving. This machine belongs to the dash-7 generation, featuring Tier 3 / Stage IIIA emissions compliance. It operates within the compact crawler dozer class, utilizing a high-torque diesel engine and a hydroshift transmission system. The configuration is specifically optimized for trimming applications, providing controlled blade movement and stability.
Across the D21 series, the dash-7 generation introduced significant advancements in engine control and hydraulic efficiency compared to earlier dash-6 models. This machine remains highly relevant in the used parts and machinery market due to its durable powertrain and the availability of standardized Komatsu components. Maintenance of the hydroshift transmission and the specific emissions-compliant engine is critical for preserving resale value and operational uptime.
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 D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) specifications
Engine
| Engine Model | 4D94E-1 (Emission Engine) |
| Engine Type | 4 Cylinder Diesel |
| Power Output | 40 HP |
Weights
| Operating Weight | Not documented for this exact serial range — verify with your dealer |
Dimensions
| Blade Width Options | 2170 mm (85.4 in) 6-way blade available on related D21A-8 configuration |
Performance
| Transmission Type | Komatsu Hydroshift |
Blades
| Blade Types | Weld-on type available |
Service Capacities & Fluids
| Engine Oil Grade | 10w/30, 15w/40 |
| Hydraulic Oil Grade | ISO HLP 32, ISO HLP 46, or HVI 46 |
| Transmission Fluid | CAT 10w or 30w |
| Gear Oil Grade | 80w/90 GL4 or GL5 |
| Final Drive Oil | SAE 30 |
| Coolant Type | Antifreeze Blue Concentrate or Red OAT 5 Year |
| Brake Fluid | Komatsu compatible brake fluid |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (w/ filter) | Not specified | 10w/3/0, 15w/40 Engine Oil |
| Cooling system | Not specified | Antifreeze Blue Concentrate or Red OAT 5 Year Antifreeze Coolant |
| Fuel tank | Not specified | Diesel |
| Transmission/powertrain (powershift transmission + bevel gear/steering compartments) | Not specified | 80w/90 GL4 or GL5 Gear Oils; Dexron II or Dexron III for Automatic Transmission and Steering Fluid |
| Final drives (each) | Not specified | SAE 30 Engine Oil |
| Hydraulic system/tank | Not to specified | 10w, 10w/30, or CAT 10w Hydraulic Oil; HVI 32, 46, or 68 |
| Grease specs | Not specified | Komatsu Grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor engine oil and fuel sulfur content; levels exceeding 0.5% require shortened oil change intervals to prevent component damage. Regularly analyze hydraulic oil for particulate contamination. Use Komatsu-compatible fluids such as 10W or 30W hydraulic oil and 15W/40 engine oil. Tracking fluid degradation helps predict failures in the hydroshift transmission and steering pumps before they cause unplanned downtime.
Corrective & Common Repairs
Frequent repairs often involve addressing leaks in the hydraulic piping or steering cylinder seals. Inspect the main clutch and transmission control valves for pressure drops. If engine exhaust color changes, investigate fuel injection timing or nozzle holder issues. Ensure all bolts and nuts are tightened to factory standard torque values during any component replacement to prevent structural vibration damage.
Overhaul & Rebuild Points
Major overhaul milestones include measuring engine compression pressure and evaluating blow-by levels to determine cylinder head or piston ring health. The hydroshift transmission requires periodic inspection of the main clutch and transmission pump. During rebuilds, focus on the final drive, idler, and track roller assemblies. Rebuilding the hydraulic control valve and PPC valve is essential for restoring precise blade and steering response.
Seasonal & Environment Servicing
In cold weather operations, utilize appropriate engine coolant concentrations and ensure fuel circuit bleeding is performed to prevent air locks. During high-dust environments, increase frequency of air cleaner inspections and radiator cleaning. For long-term storage, stabilize the fuel system and protect the undercarriage components, including track shoes and rollers, from corrosion and debris accumulation.
D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM129901-55800 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| YM129470-55610 | Body, Fuel Filter | Fuel system service | Check fitment → |
| YM129910-55600 | Fuel Filter Ass'Y | Fuel system service | Check fitment → |
| 07281-00197 | Clamp,(With Pre-Fuel Filter) | Fuel system service | Check fitment → |
| 104-98-41140 | 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.
D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Not documented for this exact serial range | Specific electronic fault code list not available in technical documentation for D21P-7T (S/N 78604-UP) | Unknown | Verify with your local Komatsu dealer using the dealer service tool |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) attachments & work tools
Blades
Available types include Weld-on type and Power Angle Blade Center Edges. Cutting edge configurations for this class include Dozer Cutting Edges, End Bits, and Overlay.
Rippers
Options include Rigid type and Variable type rippers. A specific attachment identified for the D21P-7 is the D2/P-7 Ripper.
Winches
Winch options are available for this machine class.
Drawbars/counterweights
Not documented for this exact serial range — verify with your dealer.
Cab/ROPS guarding options
Available configurations include FOPS / ROPS Certified Canopy, Guard, and Forestry Screens.
Hydraulic arrangement notes
Not documented for this exact serial range — verify with your dealer.
All D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) assemblies by section
Every catalogued assembly group for the Komatsu D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d98e-1a-Tr S/N 00101-Up
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Air Cleaner (For Trimming Dozer)(#00101-02485)
| YM***02 | Bolt Plated | 4 |
| YM***40 | Valve,Unloader | 1 |
| YM***10 | Hose | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Air Cleaner (For Trimming Dozer)(#02486-)
| YM***40 | Valve,Unloader | 1 |
| YM***30 | Pan,Dust | 1 |
| YM***22 | Screw | 6 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Air Intake Manifold
| YM***02 | Screw | 2 |
| YM***00 | Manifold,Air Intake | 1 |
| YM***21 | Gasket (Kit) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Alternator (25a) (Inner Parts)(#02486-)
| YM***01 | Cover | 1 |
| YM***60 | Wire | 1 |
| YM***00 | Starter Ass'Y | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Alternator And Mounting (25a) (For Trimming Dozer)(#00101-02485)
| YM***00 | Alternator A. (25a) | 1 |
| YM***40 | Distance Piece | 1 |
| YM***02 | Screw | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Alternator And Mounting (25a) (For Trimming Dozer)(#02486-)
| YM***40 | Distance Piece | 1 |
| YM***40 | Screw | 1 |
| YM***30 | Plate,Adjust | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Block Heater (Cold Terrain Trimming Dozer)(#00101-02485)
| YM***00 | Heater,Block | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Camshaft And Tappet
| YM***00 | Tappet Rod | 8 |
| YM***50 | Bearing, Thrust | 1 |
| YM***80 | Camshaft Ass'Y | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Crankshaft (For Trimming Dozer)(#00101-02485)
| YM***00 | Crankshaft, Assembly | 1 |
| YM***20 | Parallel Pin | 1 |
| YM***50 | Pulley | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Crankshaft (For Trimming Dozer)(#02486-)
| YM***00 | Crankshaft, Assembly | 1 |
| YM***60 | Pulley | 1 |
| YM***30 | O-Ring (Kit) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Cylinder Block
| YM***60 | Cylinder Block, Assembly | 1 |
| YM***00 | Main Metal Ass'Y (Std) | 5 |
| YM***50 | Plug | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Cylinder Block Accessory
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
| YM***90 | Valve,Water Drain | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Cylinder Head
| YM***80 | Retainer, Spring | 8 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***00 | Plug | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Dipstic
| YM***00 | Gauge,Oil | 1 |
| YM***10 | Guide,Oil Gauge | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Electrical Parts (Forwerded Individually Parts)
| YM***00 | Relay Ass'Y,Safety | 1 |
| YM***10 | Relay Ass'Y,Magnetic | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Engine Stop Motor
| YM***20 | Bracket | 1 |
| YM***80 | Ring,Snap | 1 |
| YM***30 | Spring | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Exhaust Manifold (For Trimming Dozer)
| YM***02 | Nut | 2 |
| YM***20 | Cover | 1 |
| YM***52 | Screw | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Flywheel And Flywheel Housing
| YM***52 | Screw | 9 |
| YM***90 | Flywheel Ass'Y | 1 |
| YM***30 | Screw | 6 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Front Hanger
| YM***10 | Hook,Front | 1 |
| YM***62 | Bolt,(For Shipping) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Fuel Filter (For Poor Fuel) (Inner Parts)
| YM***20 | Level Sensor Ass'Y | 1 |
| YM***30 | Plug,Drain | 1 |
| YM***00 | Fuel Filter Ass'Y | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Fuel Filter And Piping (For Poor Fuel)
| YM***10 | Banjo Fitting | 1 |
| YM***90 | Retainer | 2 |
| YM***70 | Joint | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Fuel Filter And Piping(#00101-02485)
| YM***02 | Screw | 1 |
| YM***10 | Banjo Fitting | 1 |
| YM***80 | Screw | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Fuel Filter And Piping(#02486-)
| YM***02 | Screw | 1 |
| YM***80 | Screw | 1 |
| YM***11 | Hose Ass'Y | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Gasket Kit(#00101-02485)
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***40 | O-Ring,Drain Plug | 1 |
| YM***01 | Gasket (Kit) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Gasket Kit(#02486-)
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***20 | Gasket Kit | 1 |
| YM***40 | O-Ring,Drain Plug | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Head Cover
| YM***51 | Cap, Lub. Oil Supply | 1 |
| YM***42 | Screw | 1 |
| YM***00 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Lubricating Oil Piping
| YM***81 | Retainer | 1 |
| YM***50 | Tube | 1 |
| YM***50 | Pipe | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Muffler
| YM***62 | Bolt | 1 |
| YM***02 | Nut | 4 |
| YM***22 | Stud | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Oil Filter
| YM***40 | Stud | 1 |
| YM***51 | Cartridge,Cylinder Head Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Oil Pan (For Trimming Dozer And Cold Train Trimming Dozer)
| YM***00 | O-Ring (Kit) | 1 |
| YM***30 | Oil Pan Ass'Y | 1 |
| YM***00 | Spacer | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Piston And Connecting Rod
| YM***50 | Ring Set (+0.25 mm) | 1 |
| YM***00 | Connecting Rod, Assembly | 4 |
| YM***01 | Pin, Piston | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Rear Hanger
| YM***20 | Clamp,Harness | 1 |
| YM***00 | Suspension Plate | 1 |
| YM***62 | Bolt,(For Shipping) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Rocker Arm
| YM***20 | Rocker Socket | 1 |
| YM***80 | Spring | 3 |
| YM***60 | Rocker Arm Ass'Y,Exhaust | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Starting Motor (2.3kw) (Inner Parts) : Unit_02_of_02
| YM***20 | O-Ring | 1 |
| YM***22 | Starting Motor Ass'Y,(2.3kw) | 1 |
| YM***80 | Holder Brush, Assembly | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Starting Motor (2.3kw) (Inner Parts) : Unit_01_of_02
| YM***20 | O-Ring | 1 |
| YM***80 | Holder Brush, Assembly | 1 |
| YM***20 | Shift Lever Ass'Y | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Tension Pulley(#02486-)
| YM***40 | Adjuster | 1 |
| YM***60 | Block | 1 |
| YM***02 | Nut | 3 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Tool
| YM***20 | Flex Horn (Option.) | 1 |
| YM***50 | Horn,Flex | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Water Pump And Cooling Fan (For Trimming Dozer)(#00101-02485)
| YM***00 | Pulley | 1 |
| YM***90 | Thermostat | 1 |
| YM***02 | Screw | 3 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 4d98e-1a-Tr S/N 00101-Up : Water Pump And Cooling Fan (For Trimming Dozer)(#02486-)
| YM***52 | Bolt | 4 |
| YM***02 | Screw | 3 |
| YM***00 | Fan,Cooling | 1 |
Accessory
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Accessory : Cap & Overall
| 09***50 | Overall,(Special Order) | 1 |
| 09***57 | Cap,(Special Order) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Accessory : Seat(For Shassis)
| 11***11 | Seat,Chassis | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Accessory : Spare Parts
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Accessory : Spare Parts(#78604-78851)
| 04***47 | V-Belt,(With 25a Alternator) | 1 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| 07***28 | O-Ring,(For Hd325-6?Hm400-1) (A2110) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Accessory : T00l
| 07***50 | Pump, (Bellows Type) | 2 |
| 07***03 | Cartridge - Grease | 1 |
| 07***17 | Nozzle | 1 |
Cooling System
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Cooling System : Cooling Radiator (For Trimming Dozer)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Cooling System : Cooling Radiator (With Sandy Dusty Protection Grid) (For Trimming Dozer)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Electrical System : Back-Up Alarm
| 01***05 | Capscrew | 2 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***11 | Nut | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Electrical System : Vehicle Lamp
| 01***10 | Nut,(Fig.F2820-01a3-12) | 2 |
| 10***20 | Lamp Ass'Y | 3 |
| 10***10 | Bulb? 55w | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Electrical System : Vehicle Wiring (1/2)(#80266-)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 3 |
| 01***15 | Bolt | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 9 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Electrical System : Vehicle Wiring (2/2)(#80266-)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Electrical System : Vehicle Wiring (For Two Levers Steering) (1/2)(#78604-80265)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 2 |
| 01***15 | Bolt | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Electrical System : Vehicle Wiring (For Two Levers Steering) (2/2)(#78604-80265)
| 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 |
Engine Related Parts
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Engine Related Parts : Damper 50ps
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Engine Related Parts : Damper Std
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Engine Related Parts : Engine Mount (With Pre Cleaner)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Engine Related Parts : Exhaust Pipe
| 01***11 | Nut,(Spark Arrester Spec.) | 2 |
| 01***13 | Nut | 1 |
| 61***70 | Bolt | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Engine Related Parts : Exhaust Pipe (For Trimming Dozer)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
| 10***20 | Pipe | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Engine Related Parts : Exhaust Pipe Spark Arrester
| 01***45 | Bolt | 1 |
| 01***08 | Nut,(Spark Arrester Spec.), Nut; Was 01582-21008 | 2 |
| 01***11 | Nut,(Spark Arrester Spec.) | 2 |
Fuel Tank And Related Parts
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Control Knob (D21) (For F2-R2 Transmission) (For Two Lever Steering)
| 09***35 | Knob (Op) | 1 |
| 11***20 | Knob, Bucket And Front Attachment Control Lever | 1 |
| 11***60 | Plug | 5 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Control Knob (D21) (For F3-R3 Transmission)(#80266-)
| 09***35 | Knob (Op) | 1 |
| 11***60 | Plug | 5 |
| 17***81 | Knob | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Control Knob (D21) (For Rops Cab) (For F3-R3 Transmission)(#80266-)
| 09***35 | Knob (Op) | 1 |
| 10***10 | Extension,(With Cab) | 1 |
| 10***20 | Nut,(With Cab) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Control Knob (D21) (For Rops Cab)(#78604-80265)
| 09***35 | Knob (Op) | 1 |
| 10***10 | Extension,(With Cab) | 1 |
| 10***20 | Nut,(With Cab) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Control Knob (D21)(#78604-80265)
| 09***35 | Knob (Op) | 1 |
| 11***90 | Nut | 1 |
| 11***60 | Plug | 5 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Fuel Guide (D21) (For F3-R3 Transmission) (For Two Lever Steering)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***30 | Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Fuel Guide (D21)(#78604-80265)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***22 | Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Fuel Guide (D21)(#80266-)
| 01***25 | Screw | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***10 | Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Fuel Tank (D21)(#78604-80265)
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
| 01***25 | Bolt | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Fuel Tank (D21)(#80266-)
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***10 | Screw,(For Wiper Switch Earth) | 5 |
| 01***25 | Bolt | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21) (For F2-R2 Transmission) (For Two 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21)(#78604-80265)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever (1/2) (D21)(#80266-)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21) (For F2-R2 Transmission) (For Two 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21)(#78604-80265)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever (2/2) (D21)(#80266-)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever Linkage (D21) (For F2-R2 Transmission)(For Two 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever Linkage (D21)(#78604-80265)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 2 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Fuel Tank And Related Parts : Transmission Control Lever Linkage (D21)(#80266-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 2 |
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***30 | Bolt,(With Body Positioner) | 2 |
Guard
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Engine Hood
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Engine Hood (With Pre Cleaner And Spark Arester) : Unit_01_of_02
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Engine Hood (With Pre Cleaner And Spark Arester) : Unit_02_of_02
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***08 | Nut, Regular Hexagon (M10-1.50) | 5 |
| 01***32 | Washer,(With Auto Emergency Steering) | 5 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Engine Side Cover
| 04***24 | Pin, Spring | 2 |
| 04***10 | Pin,Cotter (Without Towing Winch), Cotter Pin; Was 04050-11610 | 2 |
| 09***00 | Catcher | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Fendr
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 3 |
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
| 01***40 | Capscrew | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Radiator Mask
| 01***12 | Nut,L.H. Thread | 2 |
| 04***18 | Pin,(For Straight Tilt Dozer) (D65p) | 2 |
| 10***42 | Grille,Lower | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Rear Cover : Unit_01_of_02
| 01***30 | Bolt - M14 X 30lg | 2 |
| 01***50 | Capscrew | 4 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Rear Cover : Unit_02_of_02
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Capscrew - M14 (1)/(2) | 4 |
| 01***50 | Capscrew | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Steel Cab Mount (For Russian)
| 01***40 | Capscrew | 26 |
| 01***45 | Bolt, M14x2.0x45 | 8 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 34 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Guard : Under Guard
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt - M14 X 30lg | 12 |
| 01***00 | Bolt | 2 |
Hydraulic System
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Piping (Suction Piping)
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Piping (Tilt Cylinder Line) (Chassis Side)
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***11 | Nut,(With Under Mirror) | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Tank (For 3-Point Hitch? Back-Up Alarm)(#78604-80265)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Tank (For Back-Up Alarm)(#80266-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Tank (For Rops Cab)(#78604-80265)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Tank (For Rops Cab)(#80266-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Tank(#78604-80265)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Hydraulic Tank(#80266-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***40 | Bolt,For Weight Adjusting Bolt | 4 |
| 01***06 | Screw | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Lift Cylinder Line (For Trimming Dozer)
| 01***30 | Bolt,(With Body Positioner) | 6 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Hydraulic System : Main Valve (Mount)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Main Frame And Related Parts : Side Frame (For Trimming 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Main Frame And Related Parts : Steering Case Frame (For Trimming 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Main Frame And Related Parts : Suspension (For Trimming Dozer)
| 01***40 | Capscrew | 8 |
| 01***50 | Bolt,(For D60pl) | 8 |
| 01***55 | Bolt,(Not Used For Chip Dozer) | 8 |
Marks And Plates
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Marks And Plates : Marks And Plates (Chinese)(#78604-81600)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,Ripper (Limited Supply) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Marks And Plates : Marks And Plates (Chinese)(#81601-)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,Ripper (Limited Supply) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Marks And Plates : Rops Plate Unit (Usa)(#80053-)
Operator'S Compartment And Control System
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Control Rod (For Trimming Dozer)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Floor Mat
| 10***32 | Floor Mat,(For D21) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Handrail (For Two Levers Steering)
| 01***35 | Bolt,(F4320-52a0 -5 ) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 10***71 | Handle | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Handrail (With Two Levers Steering 4-Pillar Type Canopy) Or (For Russian)
| 07***18 | Plug,(With Extinguisher) (D31p) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Seat Front Cover (With Oil Damper)(#78604-80265)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Seat Front Cover (With Oil Damper)(#80266-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***20 | Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Seat Front Cover(#78604-80265)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***30 | Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Seat Front Cover(#80266-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 10***10 | Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Side Floor
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Work Equipment Control (Guide)
| 01***25 | Bolt | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 10***11 | Cover | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Work Equipment Control (Knob)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 1/2)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Operator'S Compartment And Control System : Work Equipment Control (Lever? 2/2)
| 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 |
Power Train And Final Drive
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Final Drive (For Trimming Dozer)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Final Drive Sprocket (For Trimming Dozer)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(With Body Positioner) | 16 |
| 01***11 | Nut - Mounting | 24 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Steering Brake
| 10***60 | Rivet | 32 |
| 10***30 | Band | 1 |
| 10***21 | Band Ass'Y,Brake | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Steering Clutch (For Trimming Dozer)
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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) | 3 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Steering Oil Lines (For F3-R3 Transmission) (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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Transmission (F3-R3) (1st Housing)(#80266-)
| 01***45 | Screw | 10 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***08 | Screw | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Transmission (F3-R3) (Carrier)(#80266-)
| 01***20 | Bolt, Wiring Harness Mounting Bracket | 4 |
| 04***25 | Ring,(W/Emergency Steering) (1m?1d) | 1 |
| 06***08 | Bearing,Ball | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Transmission (F3-R3) (Lever)(#78604-80265)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***25 | Screw | 3 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Transmission (F3-R3) (Lever)(#80266-)
| 01***30 | Bolt - M8 X 30lg | 4 |
| 01***25 | Screw | 3 |
| 01***05 | Nut,L.H. (For Trimming Dozer) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Transmission (F3-R3) (Reverse Housing)(#80266-)
| 04***25 | Ring, Retaining | 1 |
| 06***13 | Bearing,Ball | 1 |
| 07***70 | O-Ring,(F2320-52a3 -9 ) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Transmission (F3-R3) (Shift Valve)(#80266-)
| 01***25 | Bolt,(Rear Attachment Less) | 2 |
| 01***50 | Capscrew | 8 |
| 01***75 | Capscrew | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Transmission Oil Line (For Trimming Dozer)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Power Train And Final Drive : Universal Joint (For F3-R3 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Blade Lift Cylinder (Inner Parts)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***19 | Nut | 1 |
| 01***09 | Nut,(With Body Positioner) | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Main Valve
| 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Main Valve (For Trimming)
| NA***71 | Spring | 1 |
| NA***01 | Case | 1 |
| NA***01 | Poppet | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Main Valve (Over Load Relief Valve)
| NA***04 | O-Ring,Back-Up | 2 |
| NA***21 | Valve Ass'Y,Safety | 1 |
| (1***0) | Valve Ass'Y,(See Fig. Y1680-41a0) | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Main Valve (Relife Valve)
| NA***10 | O-Ring | 1 |
| NA***01 | Nut | 1 |
| NA***01 | Spring | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Service Kit (F3-R3)
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Shoe Bolt And Nut Service Kit (Supply Only)
| 10***01 | Shoe Bolt And Nut K.,(For Swamp) | 1 |
| 10***12 | Bolt? Shoe (Y0320-K2) | 50 |
| 20***01 | Shoe Bolt And Nut K | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Track Link (Lubricate Type) (Supply Only) (For Swamp)
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
| 10***21 | Link,Track? L.H | 72 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Service Kit And Component Parts : Trimming Cylinder (Inner Parts)
| 01***22 | Nut,(North America Spec.) | 1 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***65 | O-Ring,(F5350-62a0 -14 ) | 1 |
Under Carriage
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Idler Cushion
| 01***16 | Bolt - Seat And Tether Belt Mounting | 6 |
| 01***35 | Capscrew - M14 (1)/(2) | 8 |
| 01***50 | Bolt,(For D60pl) | 12 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Idler Cushiosn Rod
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***20 | Bolt,(For Mono Lever Steering) | 4 |
| 01***30 | Bolt,(Not Used When Towing Winch) | 8 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Frame
| 07***18 | Plug,(With Extinguisher) (D31p) | 12 |
| 10***30 | Plate (Welded) | 2 |
| 10***31 | Frame,L.H | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Frame Cover
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 12 |
| 01***32 | Washer,(With Auto Emergency Steering) | 12 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : 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 : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Guard (Rubber Shoe Spec.)(#78604-79244)
| 01***30 | Bolt - M14 X 30lg | 16 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 16 |
| 07***18 | Plug,(With Extinguisher) (D31p) | 16 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Guard (With Mono Block Type Track Roller Guard)
| 01***25 | Capscrew | 40 |
| 01***35 | Capscrew - M14 (1)/(2) | 16 |
| 01***85 | Bolt | 6 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Roller
| 01***50 | Capscrew | 28 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 28 |
| 07***38 | Ring, Seal - Between Sections | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Shoe (Lubricate Type) (Swamp Type) (510mm Wide)(#75001-)
| 07***22 | Plug,Large | 78 |
| 07***21 | Plug,(Small) | 78 |
| 10***21 | Link,Track? L.H | 76 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Shoe (Master Pin Type) (Swamp Type) (510mm Wide)(#75001-)
| 10***21 | Link,Track? L.H | 78 |
| 10***31 | Link,Track? R.H | 78 |
| 10***44 | Bushing,Regular | 76 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Shoe (Master Pin Type) (Triple Grouser With Hole) (450mm Wide)(#75001-)
| 10***21 | Link,Track? L.H | 78 |
| 10***31 | Link,Track? R.H | 78 |
| 10***44 | Bushing,Regular | 76 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Shoe (Rubber Shoe Spec.) (500mm Wide)(#75001-76526)
| 10***70 | Shoe,Rubber | 2 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Under Carriage : Track Shoe (Rubber Shoe Spec.) (500mm Wide)(#76527-)
| 10***10 | Shoe,Rubber | 2 |
Work Equipment
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Blade
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Dozer Frame(D21p)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***85 | Bolt, Divider Valve Mounting | 2 |
| 01***50 | Bolt,(For D60pl) | 24 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Dozer Oil Line (Cover)
| 01***20 | Bolt,(For Mono Lever Steering) | 20 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 32 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Dozer Oil Line (Lift Cylinder Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,(F4320-52a0 -5 ) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Dozer Oil Line (Tilt Cylinder Line)
| 01***20 | Bolt,(For Mono Lever Steering) | 2 |
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Drawbar
| 01***40 | Bolt | 2 |
| 01***45 | Washer,(Without R.O.P.S.) | 2 |
| 10***12 | Drawbar | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Rear Guard
| 01***65 | Bolt,(For Shipping) | 10 |
| 01***45 | Washer,(Without R.O.P.S.) | 10 |
| 10***10 | Guard,Rear | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Rear Guard (With Cab)
| 01***65 | Bolt,(For Shipping) | 10 |
| 01***45 | Washer,(Without R.O.P.S.) | 10 |
| 10***10 | Guard,Rear | 1 |
Komatsu : D21p-7t(S/N 78604-Up (Trimming Dozer (M/C))) : Work Equipment : Trimming Cylinder
| (1***0) | Cylinder Ass'Y,Trimming? L.H | 1 |
| (1***0) | Cylinder Ass'Y,Trimming? R.H | 1 |
D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) serial number reference
The serial number plate is located on the front frame casting, typically near the operator's left side. To identify the machine version, match the numerical range on the plate to the specific catalog or manual designation.
| Prefix | Identifies | Notes |
|---|---|---|
| 78604-UP | D21P-7T (Trimming Dozer) | Identifies the Trimming Dozer configuration. Includes D21P-7T-M modification within this serial range. |
| 75001-78603 | D21P-7T (Standard) | Standard configuration for the D21P-7T series. |
Frequently asked questions
What engine is installed in this D21P-7T configuration?
The machine is equipped with a high-torque diesel engine designed for Tier 3 / Stage IIIA emissions compliance.
What is the operating weight of the D21P-7T?
Operating weight varies by specific configuration, counterweight, and track shoe setup; consult the machine's serial-specific plate for exact values.
What model replaced the D21 series?
The D21 series was succeeded by later dash-number generations (such as -8) which introduced different emissions tiers and telematics integration.
What D21P-7T(S/N 78604-UP (Trimming Dozer (m/c))) owners discuss
What are the recommended engine oil and hydraulic fluid specifications for the Komatsu D21P-7T?
Engine oil requirements include 10w/30 or 15w/40 grades. For hydraulic systems, suitable fluids include ISO HLP 32 or 46, or HVI 46. Use of 10w or 20w hydraulic oil is also noted for certain configurations.
What engine is installed in the D21P-7T (S/N 78604-UP) trimming dozer?
The machine utilizes a Komatsu 4D94E diesel engine, which is designed to provide high torque at low RPM for improved fuel efficiency.
What maintenance tasks should be performed every 250 hours on this machine?
Standard service intervals include the replacement of oil and filters.
Are there specific fluid requirements for the final drives or transmission?
For final drives, SAE 30 engine oil has been used in similar Komatsu D21 series machines. Transmission fluid requirements vary by configuration; refer to the operator's manual for exact specifications.
What should be checked when inspecting a used D21P-7T (S/N 78604-UP) for potential theft or fraud?
Verify that the serial number on the riveted machine plate matches the number stamped into the chassis frame casting. A mismatch is a primary signal of stolen equipment. Additionally, if the machine was built after approximately 20/08, compare dashboard hour meter readings against telematics reports to check for hour-meter rollback.
What are the standard service intervals for engine oil filters on this model?
The engine oil filter requires replacement every 500 hours.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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