Komatsubulldozersmall ( - d39)
Komatsu D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission)))
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D21S-6 (S/N 60001-UP) is a compact crawler bulldozer designed for utility earthmoving and light construction tasks. This domestic version features a Hydroroshift transmission and is powered by the Komatsu 4D95S-W engine, delivering approximately 39.6 hp (29.5 kW). The machine operates within a weight class of roughly 3,840 kg (8,466 lb) and utilizes a 300 mm (11.8 in) track width. Produced primarily between 1988 and 1995, this series belongs to the D-series lineage of Komatsu dozers.
The transition from previous generations to the -6 series focused on refining hydraulic control and engine efficiency for smaller-scale jobsite applications. In today's used equipment market, the D21S-6 remains a significant model due to its compact footprint and the availability of robust components like the 4D95S-W powerplant. Its specific configuration with Hydroroshift transmission makes it a sought-after choice for operators requiring precise maneuvering in space-constrained environments.
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 D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) specifications
Engine
| Engine Model | Komatsu 4D95S-W |
| Net Power | 39.6 hp (29.5 kW) |
| Engine Speed at Max Torque | 2,450 rpm |
| Displacement | 2.69 L (0.71 US gal) |
Weights
| Operating Weight | 3,840 kg (8,466 lb) |
Dimensions
| Transport Length | 3.49 m (11.5 ft) |
| Transport Width | 1.61 m (5.28 ft) |
| Transport Height | 2.15 m (7.07 ft) |
| Track Width | 300 mm (11.8 in) |
Performance
| Travel Speed | 4.4 km/h (2.73 mph) |
| Soil Pressure | 0.38 kg/cm² |
Features & Equipment
| Air Conditioning | No |
| Diesel Particulate Filter | No |
| Rear Ripper | No |
| Tilt Device | No |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase (w/ filter) | 7.31 L | Verify with OMM for viscosity-by-climate notes. |
| Cooling System | 36.9 L | Verify with OMM for viscosity-by-climate notes. |
| Fuel Tank | Not documented for this exact serial range — verify with your dealer | Refer to the operation and maintenance manual. |
| Transmission/Powertrain (Hydroroshift) | 2.82 L | Refer to the operation and maintenance manual. |
| Bevel Gear/Steering Compartments | Not documented for this exact serial range — verify with your dealer | Refer to the operation and maintenance manual. |
| Final Drives (each) | 2.88 L | Refer to the operation and maintenance manual. |
| Hydraulic System/Tank | 2.82 L | Refer to the operation and maintenance manual. |
| Grease | Not documented for this exact serial range — verify with yourER dealer | Refer to the operation and maintenance manual. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) beyond the schedule
Predictive Maintenance & Fluid Analysis
Utilize KOWA (Komatsu Oil Wear Analysis) at 500 and 1,000-hour intervals to monitor engine and hydraulic health. Regularly sample hydraulic oil to detect particulate contamination before component failure occurs. Monitor fuel quality by draining water separators frequently to prevent injector damage in the 4D95S-W engine. Tracking fluid degradation is essential for protecting the Hydroroshift transmission and hydraulic pump longevity.
Corrective & Common Repairs
Watch for steering clutch issues, as these components are prone to binding or rusting together if left idle. If engine stalling occurs during lever manipulation, inspect the hydraulic system for air ingress or blown blade cylinder gaskets. Monitor the undercarriage for track slipping, which often indicates hydraulic slave cylinder issues or excessive wear in the drive train assembly.
Overhaul & Rebuild Points
Plan major overhauls around the 2,000-hour mark, focusing on a full hydraulic oil change and transmission service. Inspect turbocharger integrity and valve clearances during 1,000-hour intervals to prevent catastrophic engine failure. When rebuilding the undercarriage, evaluate all rollers and idlers; replacing worn components prevents secondary damage to the track links and drive sprockets.
Seasonal & Environment Servicing
For cold weather operation, implement specific warming procedures for the 4D95S-W engine and check battery charge levels. In dusty environments, increase air filter inspection frequency to prevent engine choking. During storage, ensure the machine is cleaned of debris to prevent undercarriage corrosion, and verify that all hydraulic cylinders are fully retracted to protect rod surfaces from oxidation.
D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 09637-30161 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 09637-30661 | Plate? Instruction,Air Cleaner (Single Element) | Air intake service | Check fitment → |
| 07000-02135 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 07000-02080 | O-Ring,Hydraulic Oil Filter | Hydraulic service | Check fitment → |
| 600-211-6240 | Cartridge,Engine Oil Filter (D31s) | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) 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, oil pressure, and air filter condition |
| CA115 | Engine crankshaft speed sensor failure | Broken sensor, wiring harness damage, or connector corrosion | Replace the speed sensor and verify voltage at the pin connector |
| CA441 / CA442 | Battery voltage too low or too high | Alternator failure or defective battery | Replace the alternator or battery; check the voltage regulator |
| AA10NX | Air cleaner clogging | Excessive dust accumulation in the air filter element | Replace the air filter |
| A570NX | Engine oil filter clogged | Exceeded oil service interval or high particulate load in engine oil | Replace the filter element |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) attachments & work tools
Blades
Straight Semi-U Blade configuration is available for efficient material handling. Specific widths and capacities are not documented for this exact serial range — verify with your dealer.
Rippers
Ripper attachments are compatible with this model. Specific single-shank vs multi-shank options and weights are not specified in the provided documentation.
Drawbars/counterweights
Information regarding drawbar or counterweight configurations is not available in the provided technical sources.
Cab/ROPS guarding options
Specific forestry or waste configuration guarding options for this serial range are not documented.
Hydraulic arrangement notes
The machine utilizes a Hydroshift transmission. Specific hydraulic arrangements for front or rear tool integration are not detailed in the provided text.
All D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) assemblies by section
Every catalogued assembly group for the Komatsu D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d95s-W-1g-S S/N 23318-Up
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Air Cleaner And Mounting
| 01***30 | Bolt,(Water Separator Spec.) | 1 |
| 01***16 | Bolt,(With Alternator Cover Type) | 2 |
| 01***06 | Nut | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Air Intake Manifold And Connection(#23318-30907)
| 01***65 | Stud | 1 |
| 01***65 | Bolt,(With Water Separator) | 3 |
| 01***75 | Bolt,(For Shipping) | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Air Intake Manifold And Connection(#30908-)
| 01***65 | Stud | 1 |
| 01***12 | Bolt,(With Speedometer) | 4 |
| 01***65 | Bolt,(With Water Separator) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Alternator (15a)
| 60***60 | Alternator A. (15a) | 1 |
| KD***70 | Cover | 1 |
| KD***30 | Retainer | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Alternator (25a)
| 60***10 | Alternator A. (25a) | 1 |
| KD***57 | Bearing,Ball? Front | 1 |
| KD***11 | Rear Bracket Ass'Y | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Alternator And Mounting (15a)
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 01***45 | Bolt | 1 |
| 01***06 | Nut | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Alternator And Mounting (25a)
| 01***55 | Bolt,(With Engine Stop Motor Type) | 1 |
| 01***30 | Bolt | 1 |
| 01***11 | Nut,(For Center Guard) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 62***31 | Thrust Washer | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Crankshaft
| 61***20 | Bolt | 1 |
| 62***00 | Crankshaft Ass'Y | 1 |
| 62***00 | Main Metal Ass'Y | 5 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Cylinder Block
| 01***55 | Bolt, Mount Tube To Switch Pump | 8 |
| 01***16 | Screw | 1 |
| 01***20 | Screw | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Cylinder Head
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 17 |
| 02***04 | Plug, Pipe | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Cylinder Head Cover
| 61***10 | Cap, Oil Filler | 1 |
| 61***20 | Screw | 3 |
| 61***30 | Washer,(B) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Exhaust Manifold And Muffler
| 01***25 | Grub Screw | 4 |
| 01***45 | Bolt, Bracket Mounting | 8 |
| 01***11 | Nut (M14-1.50 Thd), Nut; Was 01582-01411 | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Exhaust Manifold And Muffler (With Spark Arrester)
| 01***25 | Grub Screw | 4 |
| 01***45 | Bolt, Bracket Mounting | 8 |
| 01***11 | Nut (M14-1.50 Thd), Nut; Was 01582-01411 | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Flywheel And Flywheel Housing
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 01***45 | Bolt, Bracket Mounting | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Front Cover And Gear
| 01***10 | Bolt | 1 |
| 01***70 | Bolt,(For 75a Alternator) | 1 |
| 01***16 | Bolt | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Filter And Piping
| 01***65 | Bolt,(With Water Separator) | 2 |
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Filter And Piping (For Large Capacity)(#56149-)
| 01***65 | Bolt,(With Water Separator) | 2 |
| 07***12 | Gasket,Mechanical Pump Piping | 1 |
| 07***12 | Gasket,(Without Air Compressor Type) (K1) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Injection Pump (Feed Pump)
| DK***20 | Bolt, Joint | 1 |
| DK***00 | Valve,Check | 2 |
| DK***20 | Pump,Priming | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Injection Pump (Governor) (1/2)
| DK***00 | Shim? 2.00mm,(High Altitude Spec.) | 0 |
| DK***00 | Adapter | 1 |
| DK***80 | Nut | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Injection Pump (Governor) (2/2)
| DK***20 | Lever | 1 |
| DK***40 | Gasket,Air Compressor | 2 |
| DK***20 | Capsule,Spring | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Injection Pump (Pump) (1/2)
| 62***10 | Injection Pump Ass'Y | 1 |
| 62***11 | Injection Pump Ass'Y | 1 |
| DK***30 | Bearing | 0 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Injection Pump (Pump) (2/2)
| DK***40 | Shim? 0.50mm, Shim, 0.50mm; Was Dk029311-0040 | 0 |
| DK***90 | Shim? 0.25mm, Shim, 0.25mm; Was Dk029311-0590 | 0 |
| DK***00 | Sleeve,Control | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Injection Pump And Piping
| 01***35 | Stud | 4 |
| 01***12 | Bolt | 2 |
| 01***25 | Screw | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Fuel Nozzle And Spill Pipe
| 07***50 | Tube,Spill | 1 |
| 07***55 | Tube,Spill | 1 |
| 07***85 | Clip | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Gasket Kit
| 01***12 | Washer,Lock (Noise Suppression Spec.) (K2) | 1 |
| 07***65 | O-Ring,Injection Pump Case | 1 |
| 07***85 | O-Ring,(Without Fuel Level Gauge) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Lubricating Oil Filter
| 60***40 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***41 | Cartridge,Engine Oil Filter (D31s) | 1 |
| 60***20 | Plate? Caution,(Italian-English) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Lubricating Oil Pump And Suction Pipe
| 01***12 | Bolt,(See Fig.0501) | 1 |
| 01***16 | Screw | 6 |
| 01***55 | Bolt,(With Engine Stop Motor Type) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Oil Pan (Double Bottom Type)(#36389-74638)
| 01***16 | Bolt, Mount Solenoid Valve | 24 |
| 01***16 | Screw | 24 |
| 07***12 | Washer, Gasket,(Without Thermo Sensor) (K1) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Oil Pan (Double Bottom Type)(#74639-)
| 01***20 | Bolt,(Forwarded Individually Parts) | 24 |
| 07***12 | Washer, Gasket,(Without Thermo Sensor) (K1) | 1 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Oil Pan(#23318-74638)
| 01***16 | Bolt, Mount Solenoid Valve | 24 |
| 01***16 | Screw | 24 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Oil Pan(#74639-)
| 01***20 | Bolt,(Forwarded Individually Parts) | 24 |
| 07***16 | Gasket,(For Pc750-6) (See Fig.A2110) | 1 |
| 62***12 | Pan,Oil | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Piston And Connecting Rod
| 04***12 | Ring, Snap | 8 |
| 62***40 | Piston (S) | 4 |
| 62***00 | Piston Ring Ass'Y,Per Cylinder | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Rocker Arm
| 01***12 | Bolt,(Without R.P.C.U.) | 1 |
| 01***65 | Bolt,(For Alternator Bracket Mount) | 5 |
| 61***30 | Nut | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Starting Motor (2.8kw)
| 60***70 | Starting Motor Ass'Y,(2.8kw) | 1 |
| KD***60 | Bracket,Center | 1 |
| KD***50 | Stopper,Piston | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Starting Motor And Mounting (2.8kw)
| 01***30 | Bolt | 2 |
| 07***95 | O-Ring,Transmission Strainer | 1 |
| (6***0) | Starting Motor Ass'Y,(2.8kw) (See Fig.A6210-B0b3) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Water Pump And Cooling Fan
| 01***16 | Screw | 5 |
| 01***20 | Screw | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 4d95s-W-1g-S S/N 23318-Up : Water Separator And Piping(#43240-)
| 01***80 | Stud | 2 |
| 01***25 | Bolt,(With Corrosion Resistor) | 2 |
| 01***08 | Nut,See Fig. K4010-04a0 | 2 |
Control System
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Brake Pedal (For 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Brake Pedal Linkage
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 1 |
| 01***06 | Nut? L.H. Thread,L.H. Thread (For Chinese) | 2 |
| 01***06 | Nut,L.H. Thread (For Russian) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Fuel Control Lever (For F2-R2 Transmission)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Fuel Control Lever (For F3-R3 Transmission)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
| 01***13 | Washer,Spring(For Wiper Switch Earth) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Fuel Control Lever (Noise Suppression For Ec)(#60280-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Inching Pedal (For F3-R3 Transmission)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 2 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Inching Pedal (For Lever Steering 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Inching Pedal (For Pedal Steering)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Inching Pedal (For Pedal Steering) (Noise Suppression For Ec)(#60280-)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Inching Pedal Linkage (For F3-R3 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***05 | Nut,L.H. Thread (D31s) | 1 |
| 01***06 | Nut? L.H. Thread,L.H. Thread (For Chinese) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Oil Cooler Piping (For F2-R2 Transmission)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Oil Cooler Piping (For F3-R3 Transmission)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Parking Brake Lever (For Pedal Steering)
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Parking Brake Lever (For Pedal Steering) (Noise Suppression For Ec)(#60280-)
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 1 |
| 01***70 | Bolt,(With Wear Guard) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering And Brake Pedal (For Pedal Steering)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering Control Lever (For Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering Control Linkage (For Lever Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Screw | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering Pedal (For Pedal Steering) (Noise Suppression For Ec)(#60280-)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Nut,(For Straight Tilt Dozer) (D65p) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering Pedal Linkage (For Pedal Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Screw | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering Piping
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***50 | Bolt (Kit) | 2 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering Valve (For Lever Steering)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Steering Valve (For Pedal Steering)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***70 | Bolt, Accumulator Mounting Bracket | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Transmission Control Lever (For F2-R2 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***09 | Nut,(With Body Positioner) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Transmission Control Lever (For F3-R3 Transmission)
| 01***30 | Bolt,(For Mechanical Governor) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***05 | Nut,L.H. Thread (D31s) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Transmission Control Lever (Noise Suppression For Ec)(#60280-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***09 | Nut,(With Body Positioner) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Transmission Control Linkage (For F2-R2 Transmission)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***09 | Nut,(With Body Positioner) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Control System : Transmission Control Linkage (For F3-R3 Transmission)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Engine Related Parts And Electrical System
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Back-Up Alarm
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Screw | 2 |
| 01***20 | Screw | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Battery (Dry Type)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Battery (Large Capacity Type)
| 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) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Electrical System (For F2-R2 Transmission)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 10 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Electrical System (For F3-R3 Transmission)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Electrical System (Noise Suppression For Ec)(#60280-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 10 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Electrical System (With Rops Cab)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 9 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***10 | Bolt (Op) | 4 |
| 10***20 | Cushion | 4 |
| 10***30 | Cushion | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Fuel Tank Additional Strainer And Piping
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***50 | Bolt,(With Service Valve R.H.) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Fuel Tank And Piping (For F2-R2 Transmission)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Fuel Tank And Piping (For F3-R3 Transmission)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Fuel Tank And Piping (Noise Suppression For Ec)(#60280-)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Fuel Tank And Piping (With Rops Cab)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering) (Cold Weather (A) Spec.) (Except Japan)
| 01***12 | Bolt,(With Cylinder Cover) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering) (For Quick Heater Glow Plug)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering) (With Rops Cab)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering) (With Tachometer)
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Pedal Steering)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Pedal Steering) (Noise Suppression For Ec)(#60280-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Instrument Panel (For Pedal Steering) (With Vandalism Protection)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Oil Pan Heater (Cold Weather (A) Spec.) (Except Japan)
| 01***16 | Bolt (With Air Heater & Conditioner) | 1 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Quick Heater Glow Plug
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***12 | Screw,(With Articulate Indicator) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Radiator And Piping
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Radiator And Piping (Cold Weather And Sandy Dusty Spec.)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Radiator And Piping (For Large Capacity Radiator)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Engine Related Parts And Electrical System : Radiator Shutter
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 4 |
| 01***03 | Nut,(With Joy Stick Steering) | 4 |
Guard
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Canopy(#60001-60084)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Canopy(#60085-60419)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Canopy(#60420-)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Car Heater (1/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 6 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Car Heater (2/2)
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Cross Bar
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 8 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 16 |
| 01***45 | Bolt | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Head Guard
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Loader Frame And Floor Plate (For Lever Steering) (For F2-R2 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***55 | Bolt,(For Reinforced Type) | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Loader Frame And Floor Plate (For Lever Steering) (For F3-R3 Transmission)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***55 | Bolt,(For Reinforced Type) | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Loader Frame And Floor Plate (For Pedal Steering)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Loader Frame And Floor Plate (Noise Suppression For Ec)(#60280-)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Loader Frame And Floor Plate (With Rops Cab)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***55 | Bolt,(For Reinforced Type) | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Loader Frame And Floor Plate (With Rops Cab) (For Car Heater)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 12 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***55 | Bolt,(For Reinforced Type) | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Operator'S Seat (Rigid Type) (For Lever Steering)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Operator'S Seat (Rigid Type) (For Pedal Steering)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Operator'S Seat (With Oil Damper)
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 16 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Operator'S Seat (With Oil Damper) (Noise Suppression For Ec)(#60280-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Radiator Guard And Hood
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 7 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Radiator Guard And Hood (Noise Suppression For Ec)(#60280-)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 7 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Radiator Guard And Hood (With Engine Side Cover)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 7 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rear Cover And Hydraulic Tank (Noise Suppression For Ec)(#60280-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rear Cover And Hydraulic Tank (With Rops Cab)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rear Cover And Hydraulic Tank(#60001-60264)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rear Cover And Hydraulic Tank(#60265-)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 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***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 34 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (1/5) (Body)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (1/5) (Body) (Tbg Spec.)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (2/5) (Front And Rear Window)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (2/5) (Front And Rear Window) (Tbg Spec.)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (3/5) (Door And Side Window)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***45 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (3/5) (Door And Side Window) (Tbg Spec.)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***45 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (4/5) (Electrical System)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (4/5) (Electrical System) (Tbg Spec.)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (5/5) (Mounting Parts)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Cab (5/5) (Mounting Parts) (Tbg Spec.)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 9 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Rops Canopy
| 01***80 | Washer,(For R.H. Steering) | 4 |
| 10***10 | Guard,Rops Canopy | 1 |
| 10***10 | Pad,Rear | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Under Guard (Noise Suppression For Ec)(#60280-)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Under Guard (Reinforced Type)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Guard : Water Valve (For Car Heater)
| 07***59 | Clamp,See Fig. K4010-05a0 | 4 |
| 09***00 | Valve | 1 |
| 10***20 | Hose | 2 |
Main Clutch?Transmission? Steering And Final Drive
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Bevel Gear And Shaft
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***30 | Bolt | 10 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Final Drive Case
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***30 | Bolt,(With Body Positioner) | 16 |
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Steering Case And Main Frame
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Steering Case And Main Frame (For Semi-Long Lift Arm)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Steering Case Cover
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***50 | Bolt,(With Service Valve R.H.) | 18 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Steering Clutch (For F2-R2 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (1/6) (Case)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***35 | Bolt,(For Position Fixing) | 3 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 14 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (2/6) (Reverse Housing)
| 01***50 | Bolt,(With Service Valve R.H.) | 1 |
| 04***12 | Pin, Spring | 3 |
| 04***18 | Ring,Snap (With Emergency Steering) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (3/6) (Forward And 2nd Housing)
| 04***12 | Pin, Spring | 3 |
| 07***08 | Plug,(Without Lock-Up), Plug | 1 |
| 10***40 | Housing Ass'Y,Forward And 2nd | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (4/6) (1st Housing)
| 04***12 | Pin, Spring | 3 |
| 04***15 | Ring, Snap | 1 |
| 04***15 | Ring,Back-Up | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (5/6) (Transfer)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***75 | Bolt, Tube Mounting | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (6/6) (Pump)
| 01***45 | Screw | 3 |
| 01***55 | Bolt,(10m) | 7 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (Modulation)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***60 | Bolt,(For Japan And Sweden) | 2 |
| 01***70 | Bolt (Op) | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F2-R2) (Selector And Inching)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***50 | Bolt (Kit) | 6 |
| 01***55 | Bolt,(10m) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (1/7) (Case)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***35 | Bolt,(For Position Fixing) | 1 |
| 01***45 | Screw | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (2/7) (Reverse Housing)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***12 | Washer,(F2320-63a2 -13 ) | 1 |
| 04***00 | Key | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (3/7) (Forward And 3rd Housing)
| 04***24 | Pin,Dowel (For No.3 Housing) | 2 |
| 10***20 | Gear | 1 |
| 10***20 | Gear | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (4/7) (2nd Housing)(#60001-60333)
| 04***15 | Ring,Back-Up | 1 |
| 04***20 | Ring, Snap | 1 |
| 06***07 | Bearing,Ball | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (4/7) (2nd Housing)(#60334-)
| 01***08 | Screw | 1 |
| 04***15 | Ring,Back-Up | 1 |
| 04***20 | Ring, Snap | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (5/7) (1st Housing)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (6/7) (Transfer)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***75 | Bolt, Tube Mounting | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (7/7) (Pump)
| 01***45 | Screw | 3 |
| 01***55 | Bolt,(10m) | 7 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (Modulation)
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***60 | Bolt,(For Japan And Sweden) | 3 |
| 01***70 | Bolt (Op) | 5 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Transmission (F3-R3) (Selector And Inching)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***50 | Bolt (Kit) | 5 |
| 01***65 | Bolt,R.H | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Universal Joint (For F2-R2 Transmission)
| 01***40 | Bolt,(With Air Conditioner) | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Main Clutch?Transmission? Steering And Final Drive : Universal Joint (For F3-R3 Transmission)
| 01***40 | Bolt,(With Air Conditioner) | 8 |
| 01***25 | Washer,Spring?For Additional Rear Lam | 8 |
| 07***75 | Fitting,Grease (Without Lub. Piping) | 1 |
Mark Plate? Tool And Kit
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Mark Plate? Tool And Kit : Accessory Parts (Except Japan)
| 11***11 | Seat,Chassis | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Mark Plate? Tool And Kit : Marks And Plates (English)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (English) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Mark Plate? Tool And Kit : Marks And Plates (German)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 4 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) (German) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Mark Plate? Tool And Kit : Marks And Plates (Italian)
| 04***60 | Screw,Machine Model (For Ec Reg.) | 8 |
| 09***00 | Plate? Safety,Inspection And Maintenance | 1 |
| 09***35 | Plate? Name,(Limited Supply) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Mark Plate? Tool And Kit : Spare Parts (Except Japan)
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Mark Plate? Tool And Kit : Tool (Except Japan)
| 07***50 | Pump, (Bellows Type) | 1 |
| 07***03 | Cartridge - Grease | 1 |
| 07***45 | Nozzle, Grease Pump (Non-Flexible Type) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Mark Plate? Tool And Kit : Vandalism Protection
| 07***20 | Cap,(Lock Type) | 1 |
| 09***02 | Lock,(With Vandalism Protection) | 1 |
| 09***03 | Lock | 1 |
Track
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Carrier Roller
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Front Idler
| 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Recoil Spring (Reinforced Type)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Recoil Spring(#60001-60164)
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 8 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Recoil Spring(#60165-)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Frame (With Mono Block Type Track Roller Guard)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***25 | Bolt,(For Rubber Shoe) | 36 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 16 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Frame (With Separate Type Guard) (For Angle Dozer)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***25 | Bolt,(For Rubber Shoe) | 24 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 16 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Frame (With Separate Type Track Roller Guard)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***25 | Bolt,(For Rubber Shoe) | 24 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 16 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Roller
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 40 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 12 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Shoe (Lubricate Type) (Semi-Double Grouser)
| 01***18 | Nut? Shoe (Kit) | 338 |
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Shoe (Lubricate Type) (Triple Grouser With Hole)
| 01***18 | Nut? Shoe (Kit) | 338 |
| 07***22 | Plug,Large | 74 |
| 07***21 | Plug,(Small) | 74 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Shoe (Master Pin Type) (Flat Type With Hole)
| 01***18 | Nut? Shoe (Kit) | 346 |
| 10***20 | Link,Track? L.H | 74 |
| 10***21 | Link,Track? L.H | 74 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Shoe (Master Pin Type) (Semi-Double Grouser)
| 01***18 | Nut? Shoe (Kit) | 346 |
| 10***20 | Link,Track? L.H | 74 |
| 10***21 | Link,Track? L.H | 74 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Shoe (Master Pin Type) (Snow Type)
| 01***18 | Nut? Shoe (Kit) | 346 |
| 10***20 | Link,Track? L.H | 74 |
| 10***21 | Link,Track? L.H | 74 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Track : Track Shoe (Master Pin Type) (Triple Grouser With Hole)
| 01***18 | Nut? Shoe (Kit) | 346 |
| 10***20 | Link,Track? L.H | 74 |
| 10***21 | Link,Track? L.H | 74 |
Work Equipment
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Angle Blade
| 01***45 | Washer | 2 |
| 02***40 | Bolt,(Pl) | 20 |
| 02***13 | Nut,(Pl) | 20 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Bucket
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***00 | Bolt, Mount Back-Up Alarm | 2 |
| 01***11 | Nut,(Not Shown) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Bucket (For Semi-Long Lift Arm) (For Ke And Tbg Spec.)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***00 | Bolt, Mount Back-Up Alarm | 2 |
| 01***11 | Nut,(Not Shown) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Bucket Lock
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***13 | Nut,(For Adjustable Rod) | 4 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Counter Weight (For Dumping Fork)
| 01***15 | Nut (Op) | 6 |
| 01***45 | Washer,(Without R.O.P.S.) | 6 |
| 10***20 | Stud | 6 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Counter Weight And Hitch (For Semi-Long Lift Arm) (For Ke And Tbg Spec.)
| 01***15 | Nut (Op) | 6 |
| 01***45 | Washer,(Without R.O.P.S.) | 6 |
| 10***12 | Drawbar | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Dumping Fork
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***00 | Bolt, Mount Back-Up Alarm | 2 |
| 01***11 | Nut,(Not Shown) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Extension Fork
| 10***20 | Fork,Extension | 2 |
| 30***20 | Pin,Lock | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Hitch
| 01***40 | Bolt (Op) | 2 |
| 01***45 | Washer,(Without R.O.P.S.) | 2 |
| 10***12 | Drawbar | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Lift Arm
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 28 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Lift Arm (Semi-Long Type) (For Ke)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 28 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Lift Arm (Semi-Long Type) (Tbg Spec.)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 28 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment : Lift Arm And C-Frame (For Angle Blade)
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Lower) | 12 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 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 |
Work Equipment Control System
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Dump Cylinder
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 07***60 | O-Ring,(For Pc750?800?1800) (A2610) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Hydraulic Piping (Dump Cylinder Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : 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 : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Hydraulic Tank And Filter
| 01***25 | Bolt,Without Revolution Sensor | 7 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt? Wing,Inspection Cover | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Lift Cylinder
| 01***45 | Bolt,(For Power Tilt Mech Angle) | 1 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 1 |
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Control Lever (For Bucket)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Control Lever (For Bucket) (Noise Suppression For Ec)(#60280-)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Pump
| 04***15 | Ring, Snap | 1 |
| 70***10 | Seal, Oil | 1 |
| 70***70 | Plate | 1 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Valve (1/2)
| 01***16 | Bolt (Op) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Valve (1/3) (For Front Attachment And Rear Auxiliary)
| 01***16 | Bolt (Op) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Valve (2/2)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***14 | O-Ring,(F4350-61a0a-20 ) | 3 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Valve (2/3) (For Front Attachment And Rear Auxiliary)
| 01***16 | Bolt (Op) | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
| 01***30 | Bolt | 2 |
Komatsu : D21s-6(S/N 60001-Up (Domestic Version(Hydoroshift Transmission))) : Work Equipment Control System : Work Equipment Valve (3/3) (For Front Attachment And Rear Auxiliary)
| 01***08 | Nut (Op) | 1 |
| 07***11 | O-Ring (Kit) | 1 |
| 07***14 | O-Ring,(F4350-61a0a-20 ) | 4 |
D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) serial number reference
The PIN plate is located on the front frame casting, typically on the operator's left side near the radiator support. To read the prefix, identify the first character(s) of the model designation (e.g., 'D' for dozer) preceding the numeric size class.
| Prefix | Identifies | Notes |
|---|---|---|
| D | D21S-6 (Domestic Version) | Identifies the crawler dozer family. The numeric portion indicates size class/weight class. Suffix 'S' denotes specific configuration within the D21 series. |
Frequently asked questions
What engine powers this specific D21S-6 model?
The machine is equipped with a Komatsu 4D95S-W diesel engine, providing approximately 39.6 hp (29.5 kW) of power.
What is the operating weight of the D21S-6?
The operating weight for this configuration is approximately 3,840 kg (8,466 lb).
What machine replaced the D21 series?
Specific successor models are not documented in the provided technical literature; however, the D-series follows a generational dash-number progression.
What D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))) owners discuss
What are the most frequent steering issues reported for the D21S-6?
The dry-type steering clutches are prone to rusting together, which can make removal from the housing extremely difficult. Operators also report instances of weak steering on one side or a complete inability to disengage the clutch after service, even with new friction and steel components installed. In some cases, the machine may only travel straight or turn in one direction.
What is the specific engine configuration for the D21S-6 (S/N 60001-UP)?
The machine is powered by a Komatsu 4D95S-W diesel engine. Depending on the specific production revision, horsepower is rated at approximately 39.6 hp (29.5 kW) or up to 44 hp.
How do steering operating pressures vary for this series?
Steering operating pressures vary by model configuration: models such as the A, P, S, Q-6 and P-6A are specified at 27 kg/cm² (384 psi), while the E-6, P-6B, and S-6A configurations are specified at 20 kg/cm² (284 psi).
What hydraulic symptoms should be investigated if the tracks begin slipping?
If the left track begins slipping during operation, technicians suggest investigating potential hydraulic issues within the slave cylinder.
What maintenance checks are critical for undercarriage longevity?
To extend undercarriage life, implement regular inspections of the track shoes and rollers. For machines using rubber shoes, specific handling precautions should be followed to prevent damage.
What is the most important technical detail to verify when purchasing a used D21S-6?
Verify that the serial number on the machine plate matches the serial number stamped into the chassis frame casting. A mismatch between these two identifiers is a primary signal of stolen equipment or unauthorized frame reconstruction.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu D21S-6(S/N 60001-UP (Domestic Version(HYDOROSHIFT Transmission))). Related factory variants of the same model family:
D21S-6(S/N 60001-UP (Overseas Version(HYDOROSHIFT Transmission)))
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