Komatsu Bulldozer D21PL-8 Parts Book LEPBD21800 2025

Description

Contents:
ENGINE RELATED PARTS
Engine
Air Cleaner
Pre-cleaner
Engine Mounting
Exhaust Pipe
Engine Wiring Harness
Wiring Harness (Without ROPS Cab)
Fuel Piping (Without ROPS Cab)
Damper
COOLING SYSTEM
Cooling System
Radiator
Reservoir Tank
FUEL SYSTEM
Fuel Tank and Controls
Fuel Tank
Lever Guide
Steering, Gear Shift Lever (For 3 Forward – 3 Reverse Transmission)
Lock Lever (For 3 Forward – 3 Reverse Transmission)
Steering and Gear Shift Lever Linkage (For 3 Forward – 3 Reverse Transmission)
Knob (For 3 Forward – 3 Reverse Transmission)
PPC Valve Mounting (For 3 Forward – 3 Reverse Transmission)
Fuel Piping
(Without ROPS Cab)
ELECTRICAL SYSTEM
Battery
(Large Capacity)
Electrical Parts
Wiring Harness and Horn (With 55Amp. Alternator,KOMTRAX)
Wiring Harness (With 55Amp. Alternator)
Wiring Harness Mounting (With 55Amp. Alternator)
Lamp Wiring Harness (With 55Amp. Alternator)
KOMTRAX Controller and Wiring Harness
Battery Electric Wiring Harness
Front Working Lamp and Rear Working Lamp
(Without ROPS Cab)
Backup Buzzer
Buzzer
Wiring Harness
POWER TRANSMITTING SYSTEM
Universal Joint
(With 3 Forward – 3 Reverse Transmission)
Transmission
3rd and Forward Housing (With 3 Forward – 3 Reverse Transmission)
Reverse Housing (With 3 Forward – 3 Reverse Transmission)
1st Housing (With 3 Forward – 3 Reverse Transmission)
2nd Housing (With 3 Forward – 3 Reverse Transmission)
Carrier (With 3 Forward – 3 Reverse Transmission)
Case (With 3 Forward – 3 Reverse Transmission)
Control Valve (With 3 Forward – 3 Reverse Transmission)
Shift Valve (With 3 Forward – 3 Reverse Transmission)
Oil Filler (With 3 Forward – 3 Reverse Transmission)
Lever (With 3 Forward – 3 Reverse Transmission)
Inching Brake Linkage (With 3 Forward – 3 Reverse Transmission)
Pump (With 3 Forward – 3 Reverse Transmission)
Input and Output Shaft (With 3 Forward – 3 Reverse Transmission)
Transfer and Bevel Gear (With 3 Forward – 3 Reverse Transmission)
Support (With 3 Forward – 3 Reverse Transmission)
Bevel Gear and Shaft
Steering Clutch
(For 3 Forward – 3 Reverse Transmission)
Steering Brake
Band
Cover, L.H. (With Mono Steering Control Lever)
Cover, R.H. (With Mono Steering Control Lever)
Support (With Mono Steering Control Lever)
Final Drive
Shaft Bearing and Gear
Sprocket
Steering Control Valve
Inner Parts, Steering Valve (With Mono Lever Steering)
Steering Cylinder Piping (With Mono Lever Steering)
Inner Parts, Steering Cylinder (With Mono Lever Steering)
Brake Cylinder (With Mono Lever Steering)
Power Train Hydraulic Oil Piping
(For 3 Forward – 3 Reverse Transmission)
Steering Oil Piping
(For 3 Forward – 3 Reverse Transmission)
HYDRAULIC SYSTEM
Hydraulic Tank Group
Hydraulic Tank
Filter and Piping
Hydraulic Tank Cover
Hydraulic Oil Control Valve
Hydraulic Oil Main Pump
Inner Parts
Mounting
Hydraulic Piping
Suction Piping
Delivery Piping (With 4-Spool Valve Hydraulics)
Dozer Blade Lift Cylinder Piping
(For 3 Forward – 3 Reverse Transmission)
Dozer Blade Tilt Cylinder Piping
Rear Hydraulic Piping
FRAME AND ITS RELATED PARTS24
Main Frame
(With Mono Steering Control Lever)
Side Frame
(With Mono Steering Control Lever)
Crossbar and Track Frame Bracket
OPERATOR’S COMPARTMENT AND CONTROL SYSTEM
Operator’s Seat
(Rigid Type,For Machine Without ROPS Cab)
Armrest
Seat Front Cover
Seat Belt
(For Rigid Type Operator’s Seat)
Floor Mat
(Without ROPS Cab)
ROPS Canopy
Rear View Mirror
(Without ROPS Cab)
Floor Plate
(Without ROPS Cab)
Front Fender
(Without ROPS Cab)
Instrument Panel and Electric Parts
(With Mono Lever Steering,With Master Key)
Brake Control
Brake Pedal (With Mono Lever Steering)
Brake Linkage (With Mono Lever Steering)
Inching Control
Inching Pedal (For 3 Forward – 3 Reverse Transmission)
Inching Pedal Linkage (For 3 Forward – 3 Reverse Transmission)
Fuel Control Wiring Harness
Dozer Control Lever and Linkage
Lever (1/3) (Provision For 3-Point Hitch)
Lever (2/3) (Provision For 3-Point Hitch)
Lever (3/3) (Provision For 3-Point Hitch)
Attachment Lever (Provision For 3-Point Hitch)
Knob (Provision For 3-Point Hitch)
Guide (Provision For 3-Point Hitch)
Handrail
(With ROPS Canopy)
GUARDS AND COVERS
Radiator Guard Group
Radiator Mask
Engine Hood
(With Air Intake Pipe With Pre-cleaner)
Engine Side Cover
Fender
(Provision For 3-Point Hitch)
Rear Frame and Bracket
Rear Cover
ROPS Mounting
(With ROPS Canopy)
Under Guard
Front Pull Hook
UNDERCARRIAGE
Front Idler
Idler Cushion
L.H.
R.H.
Idler Cushion Rod
Carrier Roller
Track Shoe Assembly
(Swamp Shoe, 700mm Width, Sealed and Lubricated Type, 78 Set)
Track Frame
Frame
Guard (With End Sections Roller Guard)
Roller (With End Sections Roller Guard)
Track Frame Cover
WORK EQUIPMENT
Dozer Frame
Dozer Arm and Brace
Blade
Dozer Blade Lift Cylinder
Inner Parts, Lift Cylinder, L.H.
Lift Cylinder L.H. Mounting
Inner Parts, Lift Cylinder, R.H.
Lift Cylinder R.H. Mounting
Dozer Blade Tilt Cylinder
Inner Parts
Dozer Blade Piping
Tilt Cylinder Piping
Cover
PTO (Power Take Off)
(1/2)
(2/2)
Hose
Breather
Shaft
Control Lever
3-Point Hitch
Bracket and Arm
Lifting Rod
Cover
Plug
Plate
Piping (1/2)
Piping (2/2)
Bushing
3-Point Hitch Cylinder
Inner Parts, L.H.
Inner Parts, R.H
Parts For Less Drawbar
Fix Shaft
MARKS AND PLATES
Marks and Plates
(With ROPS Canopy)
Caution Plates, Blast Site
Balancing Position and Lift Point Mark
ROPS Plate
(With ROPS Canopy)
AUXILIARY PARTS AND TOOL
General Tool Set
FIELD REPAIR SERVICE PARTS
Service Kit Parts
KIT 210