Komatsu D31E-20, D31P-20, D31PL-20, D31PLL-20, D31P-20A, D31S-20, D31Q-20, D37E-5, D37P-5A Shop Manual

Komatsu bulldozer shop manual for D31E, P, PL, PLL, S, Q and D37E, P series bulldozers. Covers maintenance, repair, and specifications.

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Komatsu Komatsu D31E-20, D31P-20, D31PL-20, D31PLL-20, D31P-20A, D31S-20, D31Q-20, D37E-5, D37P-5A Shop Manual manual page preview - page 1 of

Sample pages from the Komatsu D31E-20, D31P-20, D31PL-20, D31PLL-20, D31P-20A, D31S-20, D31Q-20, D37E-5, D37P-5A Shop Manual manual

Komatsu Komatsu D31E-20, D31P-20, D31PL-20, D31PLL-20, D31P-20A, D31S-20, D31Q-20, D37E-5, D37P-5A Shop Manual manual preview page 1 - thumbnail
Komatsu Komatsu D31E-20, D31P-20, D31PL-20, D31PLL-20, D31P-20A, D31S-20, D31Q-20, D37E-5, D37P-5A Shop Manual manual preview page 2 - thumbnail
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Document Details

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Document Number / Seller:
30776 / Jerry Allen
File Size:
50.73 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Bulldozer
Last updated / verified
Apr 26, 2025

Models Covered & Key Technical Specifications

Komatsu D31/D37 Bulldozer Shop Manual: D31E-20, D31P-20, D31PL-20, D31PLL-20, D31P-20A, D31S-20, D31Q-20, D37E-5, D37P-5A bulldozer repair manual Covers D31E, P, PL, PLL, S, Q and D37E, P series bulldozers with specifications and repair procedures.

  • General Specifications: Provides key data including operating weight, blade capacity, and dimensions.
  • Engine Specifications: Details engine type, displacement, rated horsepower, and fuel consumption.
  • Power Train Specifications: Outlines transmission, steering, and final drive system components and functions.
  • Hydraulic System Specifications: Covers hydraulic pumps, valves, cylinders, and tank capacities.
  • Electrical System Diagram: Includes wiring diagrams and component identification for electrical systems.
  • Testing and Adjusting Procedures: Offers standard values for testing and adjusting various machine systems.

Professional Workshop Service Manual & Technical Specifications

Komatsu D31/D37 Bulldozer Shop Manual

Equipment-Series: Komatsu Bulldozers // Engineering-Metrics: General Specifications / Power Train System Logic // Equipment-Series: Repair Manual The manual presents information on:

Power Train System: Komatsu Bulldozer Manual

Metadata: This shop manual contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further divided into the each main group of components.

Metric Rating Validation-Data
Engine 6D95L-1 Power Train Components
Transmission Hydroshift Hydraulic Control System
Steering PPC Valve Brake System Components
Hydraulics Pump and Filter Work Equipment
Electrical Engine Control Monitor System
Troubleshooting Standard Values Specific Procedures

Table of Contents Summary: The manual presents information on:

  • Power train skeleton
  • Power train hydraulic piping
  • Engine oil pressure sensor
  • Standard value table for engine
  • Standard value table for chassis
  • Brake cylinder

Methodically requiring comprehensive coverage for your Komatsu D31/D37 series bulldozer, this manual details essential systems and procedures. It includes thorough breakdowns of the power train, hydraulics, engine, and electrical systems, providing clear diagrams and specifications. The manual documents torque specifications for fasteners to ensure proper pivot-point integrity.

FAQ

What are the **proper** clearance measurements for the Komatsu D31/D37? keyboard_arrow_down

0.35 mm for intake valves and 0.5 mm for exhaust valves are the specified clearance measurements for Komatsu D31/D37 models when the engine is cold.

Specify the **standard** torque specifications for Komatsu D31/D37. keyboard_arrow_down

A torque of 44.1 ± 4.9 Nm is standard for the locknut when adjusting valve clearance on Komatsu D31/D37 models.

What are the **necessary** safety precautions when performing repairs? keyboard_arrow_down

Always ensure the machine is stopped on level ground, safety pins are installed, and tracks are blocked. Additionally, always keep tools and parts in their correct places, maintain a clean work area, and smoke only in designated areas.

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Reviews (5)

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Had a query and the response was super quick! The manual is detailed and easy to follow. Highly recommend!
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Rated 4 out of 5 stars
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This shop manual has everything I needed for my Komatsu dozer. The download process was seamless, and I received my link almost instantly!
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Rated 4 out of 5 stars
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The download was smooth and hassle-free. The manual covers everything from disassembly to troubleshooting. Very satisfied!