Komatsubulldozersmall ( - d39)
Komatsu D20PL-6(S/N 60001-UP)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu D20PL-6 (S/N 60001-UP) is a compact crawler tractor designed for utility earthmoving and light grading. This machine belongs to the D20 series, featuring a 4D95S-W1 four-cylinder diesel engine producing 40 hp (29.9 kW) at 2450 rpm. With an operating weight of approximately 8884.7 lb (4030 kg), it is configured for specialized work with a wide track footprint. The lineage includes various configurations such as the D20A and D20P series, with this specific PL-6 model optimized for low ground pressure applications.
The -6 generation represents a significant era in Komatsu's utility dozer development, bridging the gap between older mechanical systems and more modern emissions-regulated builds. This machine remains highly relevant in the used parts and machinery market due to its robust 4D95S engine and widely available components for the D20/D21 series. Its durability makes it a primary choice for secondary market buyers seeking reliable, small-scale earthmoving capability without the complexity of high-tier emissions electronics.
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 D20PL-6(S/N 60001-UP) specifications
Engine
| Engine Model | 4D9/95S-W1 |
| Engine Make | Komatsu |
| Number of Cylinders | 4 |
| Gross Power | 40 hp (29.9 kW) |
| Power Measured @ | 2450 rpm |
| Displacement | 164.2 cu in (2.7 L) |
Weights
| Operating Weight | 8884.7 lb (4030 kg) |
Dimensions
| Length W/ Blade | 11.34 ft in (3455 mm) |
| Length W/O Blade | 8.7 ft in (2650 mm) |
| Width Over Tracks | 7.19 ft in (2190 mm) |
| Height To Top Of Cab | 8.16 ft in (2485 mm) |
| Ground Clearance | 1.12 ft in (340 mm) |
| Length Of Track On Ground | 5.98 ft in (1820 mm) |
Undercarriage
| Track Gauge | 4.89 ft in (1490 mm) |
| Standard Shoe Size | 27.56 in (700 mm) |
| Number Of Shoes Per Side | 39 |
| Number Of Track Rollers Per Side | 6 |
| Track Pitch | 5.32 in (135 mm) |
Performance
| Transmission Type | DD |
| Number Of Forward Gears | 3 |
| Number Of Reverse Gears | 2 |
Blades
| Standard Blade Width | 8.2 ft in (2lang 2490 mm) |
| Standard Blade Height | 23.3 in (590 mm) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
D20PL-6(S/N 60001-UP) fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine Crankcase (w/ filter) | 10w/3/0 or 15w/40 Engine Oil | |
| Cooling System | Antifreeze Blue Concentrate or Red OAT 5 Year Antifreeze Coolant | |
| Fuel Tank | ||
| Transmission/Powertrain (powershift transmission + bevel gear/steering compartments) | 80w/90 GL4 or GL5 Gear Oils; Dexron II or Dexron III Automatic Transmission and Steering Fluid | |
| Final Drives (each) | 80w/90 EP GL5 | |
| Hydraulic System/Tank | 10w Hydraulic Oil; HVI 32, 46, or ISO HLP 68 | |
| Grease |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Komatsu D20PL-6(S/N 60001-UP) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the D20PL-6(S/N 60001-UP) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor engine oil and hydraulic fluid quality regularly. Utilize oil analysis to detect internal wear before failure occurs. Ensure all fluids meet Komatsu specifications, such as 10W/30 or 15W/40 for engine lubrication. For the D20PL-6, tracking fuel contamination is critical to protecting the 4D95S-W1 injection system and maintaining consistent power output during high-demand cycles.
Corrective & Common Repairs
Common repair focus areas include hydraulic leaks and steering response degradation. If steering or reverse capability diminishes, inspect the transmission and hydraulic pressure levels. For the D/20PL-6, check for track tension issues or loose shoe bolts. Ensure all repairs to the DD transmission type components follow factory torque specifications to prevent secondary damage to the drive train.
Overhaul & Rebuild Points
Major overhaul milestones include cleaning and refilling the main clutch case strainer at 1000-hour intervals. Monitor the engine block for leaks near the injection pump area. When rebuilding the undercarriage, evaluate the 39 shoes per side and 6 track rollers per side for wear limits. Rebuilding the hydraulic system requires precise inspection of the pump and valve assemblies to restore factory-spec flow.
Seasonal & Environment Servicing
In cold weather, utilize engine block heaters and ensure coolant concentrations are appropriate for freezing temperatures. During high-dust operations, increase frequency of air cleaner inspections and radiator cleaning. For the D20PL-6, seasonal checks should include inspecting track pitch (5.32 in / 135 mm) and lubrication levels to prevent undercarriage seizing or premature wear caused by environmental debris.
D20PL-6(S/N 60001-UP) 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.
D20PL-6(S/N 60001-UP) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| E10 | Engine controller power malfunction | Faulty ECM power connections, blown fuses, or improper ground wiring | 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 |
| CA451 / CA452 | Common rail pressure error | Malfunctioning fuel rail pressure sensor or issues within pump lines | Diagnode the fuel rail pressure sensor or inspect pump lines |
| CA553 / CA559 | Fuel pressure high/low | Malfunction of the fuel pump regulator (IMV/PCV) | Evaluate the fuel pump regulator (IMV/PCV) |
| DW43KA / DW43KB | Travel speed solenoid open/short circuit | Electrical short or open circuit in the travel speed control solenoid | Replace the solenoid valve |
| DXA8KA / DXA8KB | Front pump EPC solenoid valve circuit fault | Wire chafing or electrical short in the solenoid circuit | Inspect for wire chafing or shorting |
| B@BCZK | Coolant level too low | System leak or insufficient coolant replenishment | Fill coolant and inspect system for leaks |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
D20PL-6(S/N 60001-UP) attachments & work tools
Blades
Standard blade width is 8.2 ft (2490 mm) with a height of 23.3 in (590 mm). Aftermarket options include C-frame, cutting edge, and rake attachments.
Rippers
Ripper assemblies and ripper shanks are available for this class. Multi-shank rippers feature high-strength alloy steel tines with a high-lift design for ground clearance during transport.
Winches
Not documented for this exact serial range — verify with your dealer.
Drawbars/counterweights
Counterweight and drawbar attachments are available for bulldozer configurations.
Cab/ROPS guarding options
Available guarding includes tank guards, window guards, and ROPS bars. Forestry-specific options include stick rakes and tree pushers.
Hydraulic arrangement notes
The machine utilizes a 4D95S-W1 engine with a DD transmission type. Hydraulic tank capacity for related D20A-6 variants is 21 liters; verify exact D20PL-6 capacity via shop manual.
All D20PL-6(S/N 60001-UP) assemblies by section
Every catalogued assembly group for the Komatsu D20PL-6(S/N 60001-UP). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
4d95s-W-1f-Pl S/N 23318-Up
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Alternator (15a)
| 60***60 | Alternator A. (15a) | 1 |
| KD***70 | Cover | 1 |
| KD***30 | Retainer | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Alternator And Mounting (15a)
| 01***25 | Bolt,(With Corrosion Resistor) | 1 |
| 01***45 | Bolt | 1 |
| 01***06 | Nut | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Camshaft And Tappet
| 01***20 | Screw | 2 |
| 04***16 | Fitting Wedge | 1 |
| 62***31 | Thrust Washer | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Crankshaft
| 61***20 | Bolt | 1 |
| 62***00 | Crankshaft Ass'Y | 1 |
| 62***00 | Main Metal Ass'Y | 5 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Cylinder Block
| 01***55 | Bolt, Mount Tube To Switch Pump | 8 |
| 01***16 | Screw | 1 |
| 01***20 | Screw | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Cylinder Head Cover
| 61***10 | Cap, Oil Filler | 1 |
| 61***20 | Screw | 3 |
| 61***30 | Washer,(B) | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Flywheel And Flywheel Housing
| 01***30 | Bolt | 6 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 11 |
| 01***40 | Bolt,(Shim 3-Piece) | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Front Cover And Gear
| 01***10 | Bolt | 1 |
| 01***70 | Bolt,(For 75a Alternator) | 1 |
| 01***16 | Bolt | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Fuel Injection Pump And Piping
| 01***35 | Stud | 4 |
| 01***12 | Bolt | 2 |
| 01***25 | Screw | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Fuel Nozzle And Spill Pipe
| 07***50 | Tube,Spill | 1 |
| 07***55 | Tube,Spill | 1 |
| 07***85 | Clip | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl S/N 23318-Up : Gasket Kit
Komatsu : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : 4d95s-W-1f-Pl 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 : D20pl-6(S/N 60001-Up) : Control System : Brake Pedal (For Lever Steering)
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Control System : Fuel Control Lever
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***04 | Nut,(For Air Conditioner Less) | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Control System : Main Clutch Pedal (For Lever Steering)
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : Control System : Main Clutch Pedal (For Pedal Steering)
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : Control System : Oil Cooler Piping
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Control System : Steering Piping
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***50 | Bolt (Kit) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 |
Engine Related Parts And Electrical System
Komatsu : D20pl-6(S/N 60001-Up) : Engine Related Parts And Electrical System : Battery
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 08***10 | Terminal? (+) | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 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***10 | Terminal? (+) | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : Engine Related Parts And Electrical System : Electrical System
| 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***10 | Bolt (Op) | 4 |
| 10***20 | Cushion | 4 |
| 10***30 | Cushion | 4 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping
| 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 : D20pl-6(S/N 60001-Up) : Engine Related Parts And Electrical System : Fuel Tank And Piping (With Rops Cab)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Engine Related Parts And Electrical System : Instrument Panel (For Lever Steering) (For Quick Heater)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***08 | Screw, Terminal | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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) | 4 |
Komatsu : D20pl-6(S/N 60001-Up) : Engine Related Parts And Electrical System : Radiator And Piping
| 01***16 | Bolt (With Air Heater & Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 5 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
Guard
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Canopy (Canvas)
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 8 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 16 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Canopy(#60001-60144)
| 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 : D20pl-6(S/N 60001-Up) : Guard : Canopy(#60145-60888)
| 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 : D20pl-6(S/N 60001-Up) : Guard : Canopy(#60889-)
| 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Guard : Loader Frame And Floor Plate (For Lever Steering)
| 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Guard : Radiator Guard And Hood
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 11 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Bolt,(For Strengthened Cover) | 16 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Radiator Guard And Hood (With Engine Side Cover Separate Type)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 11 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rear Cover And Hydraulic Tank (With Rops Cab)
| 01***20 | Bolt,(With Auto Emergency Steering) | 3 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rear Cover And Hydraulic Tank(#60001-60532)
| 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 : D20pl-6(S/N 60001-Up) : Guard : Rear Cover And Hydraulic Tank(#60533-)
| 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 : D20pl-6(S/N 60001-Up) : Guard : Rops Bracket
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 26 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 8 |
| 01***42 | Washer,Spring (For Pedal Steering), Washer-Spring | 34 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rops Cab (Body) (1/5)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***16 | Screw,(Sandy And Dusty Terrain S.) | 6 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rops Cab (Door And Side Window) (3/5)
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***45 | Bolt | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rops Cab (Electrical System) (4/5)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 8 |
| 01***12 | Screw,(Additional Sun Visor) | 1 |
| 01***20 | Screw - Turn Signal And Parkinglight Mounting | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rops Cab (Front And Rear Window) (2/5)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 6 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rops Cab (Mounting Parts) (5/5)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 9 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 5 |
| 01***19 | Washer,Spring (With Extinguisher) (D31p) | 9 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Rops Canopy
| 01***80 | Washer,(For R.H. Steering) | 4 |
| 10***10 | Guard,Rops Canopy | 1 |
| 10***10 | Pad,Rear | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Under Guard
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 12 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Under Guard (With Front Hook)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Bolt-Hex, Bolt,(With Center Guard) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 6 |
Komatsu : D20pl-6(S/N 60001-Up) : Guard : Water Valve (For Car Heater)
| 07***59 | Clamp,See Fig. K4010-05a0 | 4 |
| 09***00 | Valve | 1 |
| 10***20 | Hose | 2 |
Main Clutch? Damper ?Transmission? Steering And Final Drive
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Bevel Gear And Shaft
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 6 |
| 01***30 | Bolt,(For Trimming Dozer) | 10 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 6 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Brake
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 8 |
| 01***23 | Plain Washer | 2 |
| 01***45 | Washer,(For Quick Shift) (Mitsubishi) | 8 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?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***70 | Bolt - Accumulator Mounting Bracket | 22 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Final Drive Gear
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 16 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Inertia Brake
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 5 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Main Clutch Case
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
| 01***25 | Bolt,Without Revolution Sensor | 4 |
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Main Clutch Plate
| 01***10 | Bolt, Mount Flasher | 6 |
| 01***16 | Bolt (Welded) | 6 |
| 01***45 | Bolt,(For Suction? Reversible Fan) | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Main Clutch Pump
| 04***15 | Ring, Snap | 1 |
| 07***01 | Pump Ass'Y (Fal10) | 1 |
| 07***60 | Seal,Oil | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Main Clutch Pump Drive And Relief Valve
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***70 | Bolt, Mount Bracket And Oil Inlet Tube, Bolt | 4 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Main Clutch Yoke
| 01***30 | Bolt,(For France Noise Suppression) | 2 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***30 | Washer,Spring(Sandy?Dusty Terrain S.) | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Sprocket And Shaft
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***11 | Nut - Mounting | 24 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 8 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?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 : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?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 : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Steering Clutch
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 16 |
| 01***10 | Nut (K10) | 2 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 16 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Transmission (Case) (1/5)
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 8 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 5 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Transmission (Counter Shaft And Gear) (4/5)
| 01***16 | Bolt,(For Slag Handling) | 2 |
| 01***40 | Bolt, Mount Master Brake Cylinder | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Transmission (Intermediate Shaft And Gear) (3/5)
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 4 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***30 | Washer, Spring (Supplied W/Spider Assembly), Washer-Spring | 3 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Transmission (Main Shaft And Gear) (2/5)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 3 |
| 01***10 | Nut | 1 |
| 01***10 | Nut | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Transmission (Shift Lever And Fork) (5/5)
Komatsu : D20pl-6(S/N 60001-Up) : Main Clutch? Damper ?Transmission? Steering And Final Drive : Universal Joint
| 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 : D20pl-6(S/N 60001-Up) : Mark Plate? Tool And Kit : Accessory Parts (Except Japan)
| 11***11 | Seat,Chassis | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Mark Plate? Tool And Kit : Spare Parts (Except Japan)
| 07***85 | O-Ring,(Without Fuel Level Gauge) | 1 |
| 07***00 | Fitting, Grease - Upper Hinge Pin | 4 |
| 07***22 | Plug,Steering Case | 8 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Track : Recoil Spring (Sealed Type)
| 01***16 | Bolt (With Air Heater & Conditioner) | 10 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
Komatsu : D20pl-6(S/N 60001-Up) : Track : Recoil Spring(#60001-60312)
| 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 : D20pl-6(S/N 60001-Up) : Track : Recoil Spring(#60313-)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 8 |
| 01***35 | Bolt, Hydraulic Tank Mounting | 12 |
Komatsu : D20pl-6(S/N 60001-Up) : 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) | 40 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 16 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Track : Track Roller
| 01***20 | Bolt,(Sandy? Dusty Terrain Spec.) | 12 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 48 |
| 01***25 | Washer,Spring?(Sandy And Dusty Spec.) | 12 |
Komatsu : D20pl-6(S/N 60001-Up) : Track : Track Shoe (Lubricate Type) (Swamp Type)
Komatsu : D20pl-6(S/N 60001-Up) : Track : Track Shoe (Master Pin Type) (Flat Type With Hole)
| 01***18 | Nut? Shoe (Kit) | 362 |
| 10***20 | Link,Track? L.H | 78 |
| 10***21 | Link,Track? L.H | 78 |
Komatsu : D20pl-6(S/N 60001-Up) : Track : Track Shoe (Master Pin Type) (Swamp Type)
| 01***18 | Nut? Shoe (Kit) | 362 |
| 10***20 | Link,Track? L.H | 78 |
| 10***21 | Link,Track? L.H | 78 |
Work Equipment
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment : Hitch
| 01***40 | Bolt (Op) | 2 |
| 01***45 | Washer,(Without R.O.P.S.) | 2 |
| 10***12 | Drawbar | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment : Hydraulic Piping (Tilt Cylinder Line) (Dozer Side)
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 12 |
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment : Lift Cylinder Lock
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment : Swing Drawbar
| 01***45 | Bolt (Op) | 10 |
| 01***45 | Washer,(Without R.O.P.S.) | 10 |
| 04***12 | Pin,Cotter (For Ripper) | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment : Tilt Blade
| 01***55 | Bolt,(10m) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***09 | Nut,(With Body Positioner) | 2 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment : Tilt Cylinder
| 07***80 | O-Ring,Hydraulic Oil Filter | 1 |
| 07***75 | O-Ring,Cylinder Head | 1 |
| 07***75 | Ring,Back-Up (Kit) | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment : Tilt Frame
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Bolt,(With Service Valve R.H.) | 16 |
| 01***45 | Bolt, Mount Center Hinge Retainer (Upper) | 12 |
Work Equipment Control System
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment Control System : Hydraulic Piping (Lift Cylinder Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 6 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment Control System : Hydraulic Piping (Tank To Pump To Valve)
| 01***30 | Bolt,(For Mechanical Governor) | 4 |
| 01***16 | Bolt, Battery To Frame Ground Wire Attaching | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment Control System : Hydraulic Piping (Tilt Cylinder Line) (Chassis Side)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***09 | Nut,(With Body Positioner) | 4 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : Work Equipment Control System : Lift Cylinder
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 1 |
| 01***25 | Bolt | 1 |
| 01***09 | Nut (Itl) | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment Control System : Work Equipment Control Lever
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***30 | Bolt,(For Mechanical Governor) | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : Work Equipment Control System : Work Equipment Pump
| 04***15 | Ring, Snap | 1 |
| 70***10 | Seal, Oil | 1 |
| 70***70 | Plate | 1 |
Komatsu : D20pl-6(S/N 60001-Up) : 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 : D20pl-6(S/N 60001-Up) : 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 ) | 1 |
D20PL-6(S/N 60001-UP) serial number reference
The PIN plate is riveted to the front frame casting, typically on the operator's left side near the radiator support. To read the prefix, identify the initial letter(s) at the start of the model designation (e.g., 'D' for Dozer family). Verify the serial number starts with 60001 or higher to confirm the -6 generation.
| Prefix | Identifies | Notes |
|---|---|---|
| D | D20PL-6 | Identifies the Crawler Dozer family. The numeric portion indicates size class. The '-6' dash-number denotes the generation (Late dash-6, approx. 1998–2003). The 'PL' suffix indicates the LGP/wide-track configuration. Serial range 60001-UP is specific to this generation. |
Frequently asked questions
What engine is installed in the Komatsu D20PL-6?
The machine is powered by a Komatsu 4D95S-W1 four-cylinder diesel engine, delivering 40 hp (29.9 kW) at 2450 rpm.
What is the operating weight of this model?
The standard operating weight for the D20PL-6 is 8/8884.5 lb (4030 kg).
What machine replaced the D20PL-6?
Specific successor model information for this exact serial range is not documented in the provided technical literature; verify with a Komatsu dealer.
What D20PL-6(S/N 60001-UP) owners discuss
What are the primary engine specifications for the D20PL-6 (S/N 60001-UP)?
The machine is equipped with a Komatsu 4D95S-W1 four-cylinder diesel engine. It features a displacement of 164.2 cu in (2.7 L) and produces 40 hp (29.9 kW) at 2450 rpm.
What are the typical undercarriage dimensions and components for this model?
The undercarriage includes 3/9 shoes per side with a standard shoe size of 27.56 in (700 mm). The track gauge is 4.89 ft in (1490 mm), the track pitch is 5.32 in (135 mm), and there are 6 track rollers per side.
What transmission configuration is standard on the D20PL-6?
The machine utilizes a Direct Drive (DD) transmission type featuring 3 forward gears and 2 reverse gears.
Are there known electrical or starting issues for this specific serial range?
Users have reported instances where the starter motor fails to engage or click after batteries have been charged or sat idle. Have your dealer verify the starter motor and battery connection integrity.
What should be checked regarding steering and hydraulic performance in older D20 series units?
In some D20A-series configurations, loss of steering and reverse capability has been noted when the machine is positioned uphill, potentially due to fluid level or pressure issues. Have your dealer verify hydraulic pump and valve operation.
What is the critical checklist when purchasing a used D20PL-6 (S/N 60001-UP)?
Verify that the serial number on the riveted chassis plate matches the number engraved directly into the chassis frame casting. A mismatch is a primary signal for stolen or tampered equipment.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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