Komatsu D20, D21A, P, PL Shop Manual

Komatsu D20, D21A, P, PL troubleshooting and repair reference for models D20, D21A, P, PL and the respective serial numbers, covering all systems. Publication C4085-91017.

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Document Details

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Document Number / Seller:
30770 / Amy Jones
File Size:
19.71 MB
File Type:
PDF
Language:
English
Pages:
223
Printable:
Yes
Category:
Bulldozer
Last updated / verified
Mar 8, 2025

Models Covered & Key Technical Specifications

Komatsu D20, D21A, P, PL (00-001) -- 1985-2021 Komatsu D20, D21A, P, PL Catalog & Specification Library.

  • Measured Feed Speed: 2.8 km/h is set to achieve optimal forward movement capabilities.
  • Fundamental Size Parameters: For optimal operation, 3,560 kg defines the operating weight.
  • Baseline Imaging Specs: The formatter board requires 64 MB for standard operation Logic.
  • Fundamental Fluid Capacity: The formatter board requires 64 MB for standard operation Logic.
  • Baseline Fluid Capacity: For optimal operation, 3,560 kg defines the operating weight.
  • Measured Processing Speed: 2.8 km/h is set to achieve optimal forward movement capabilities.

Professional Workshop Service Manual & Technical Specifications

Industrial Installation Diagnostic Manual: Bulldozer Manual for Komatsu D20, D21A, P, PL Manual-Nexus

Performance-Values: D20A-5 / D20P-5 / D21PL-5 // Design-Core: Bulldozer / Power Train Logic // Product-Line: Specifications-Overview.

Metric System-Path Validation-Data
Operating Weight Tractor 3,560 kg
Overall Length Bulldozer 3,385 mm
Track Gauge Tractor 1,310 mm
Ground Pressure Bulldozer 0.13 kg/cm²
Fuel Tank ASTM D975 No. 1, No. 2 60.0 L
Engine Lubricant ASTM D975 No. 1, No. 2 9.5 L

Technical units are distributed across:

  • Engine Structure and Function
  • Power Train Testing and Adjusting
  • Undercarriage Maintenance Standard
  • Hydraulic System Structure and Function
  • Work Equipment Maintenance Standard

Technically demanding...

Maintenance guidelines are included for

This manual details the maintenance guidelines for the Komatsu D20, D21A, P, PL series. It covers essential checks and procedures to ensure peak performance and longevity.

OEM guidelines are included for

Adhering to OEM guidelines is crucial. This document provides specific OEM guidelines for all major components and systems, ensuring repairs meet manufacturer standards.

Transmission service information covers

Transmission service information covers a wide range of topics, including structure, function, testing, and maintenance standards for the power train systems.

HVAC system procedures are included for

The HVAC system procedures are included for ensuring optimal cabin environment control and functionality, vital for operator comfort and efficiency.

Torque specifications are documented for

Torque specifications are documented for critical components to ensure proper vibration dampening and assembly integrity.

FAQ

Determine the **specific** torque specifications keyboard_arrow_down

12 ± 0.5kg.m is the specified torque for the tightening of the joint bolt for the bevel gear shaft nut.

What specifications **designated** safety precautions keyboard_arrow_down

20 kg/cm² is the maximum standard value for the main relief pressure in the hydraulic system, crucial for safe operation.

Check the **critical** lubrication requirements keyboard_arrow_down

2.5 kg is the standard load for the Steering clutch spring, indicating critical lubrication requirements for proper function.

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Reviews (4)

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Rated 4 out of 5 stars
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This manual covers everything from basic info to specific repairs. Very detailed!
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Had a question about the manual and got a quick reply. Very professional service!
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I received the download link immediately after purchase. Smooth and hassle-free!