Manual for DIY repairs: Komatsu D80A-12/D85A-12

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Document Details

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Document Number / Seller:
30623 / Richard Peterson
File Size:
43.83 MB
File Type:
PDF
Language:
English
Printable:
Yes
Estimated Download Time:
0.9 Minutes
Delivery Format:
Digital (PDF) - Instant Access
Category:
Bulldozer
Brand:
Komatsu
Reviewed and Approved:
Aug 26, 2025
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Models Covered & Key Technical Specifications

Komatsu Limited

  • Komatsu D80A-12 Bulldozer:
    • D80A-12 - Years: 2008-2023 - Variants: Standard, LGP, Extra-Large
  • Komatsu D85A-12 Bulldozer:
    • D85A-12 - Years: 2007-2023 - Variants: Standard, LGP, Extra-Large
  • Komatsu D80A-12 Dozer Bulldozer S/N 10001 and up
  • Komatsu D85A-12 Dozer Bulldozer S/N 10001 and up

Professional Workshop Service Manual & Technical Specifications

Table of contents

General

  • Introduction
  • Safety Precautions
  • General Information

Specifications

  • General Specifications
  • Engine Specifications
  • Dimensions and Weights

Engine

  • Engine Removal and Installation
  • Engine Disassembly and Assembly
  • Engine Testing and Adjustments

Main Clutch

  • Clutch Removal and Installation
  • Clutch Disassembly and Assembly
  • Clutch Adjustments

Torque Converter

  • Torque Converter Removal and Installation
  • Torque Converter Disassembly and Assembly
  • Torque Converter Testing

Transmission

  • Transmission Removal and Installation
  • Transmission Disassembly and Assembly
  • Transmission Adjustments

Bevel Gear and Steering System

  • Bevel Gear Removal and Installation
  • Steering System Components
  • Steering System Adjustments

Final Drive

  • Final Drive Removal and Installation
  • Final Drive Disassembly and Assembly
  • Final Drive Adjustments

Undercarriage

  • Undercarriage Components
  • Track Adjustments
  • Track Replacement

Hydraulic System

  • Hydraulic System Components
  • Hydraulic Pump Removal and Installation
  • Hydraulic Cylinder Disassembly and Assembly
  • Hydraulic System Testing

Electrical System

  • Electrical Components
  • Wiring Diagram
  • Battery Maintenance
  • Electrical System Testing

Fuel Tank

  • Fuel Tank Removal and Installation
  • Fuel System Components
  • Fuel System Testing

Cooling System

  • Radiator Removal and Installation
  • Cooling System Components
  • Coolant Replacement

Drawbar

  • Drawbar Removal and Installation
  • Drawbar Components
  • Drawbar Adjustments

Dozer Equipment

  • Blade Removal and Installation
  • Blade Adjustments
  • Ripper Removal and Installation
  • Ripper Adjustments

Troubleshooting

  • Engine Troubleshooting
  • Hydraulic System Troubleshooting
  • Electrical System Troubleshooting
  • Transmission Troubleshooting
  • Steering System Troubleshooting

Service Standards

  • Maintenance Schedule
  • Service Data
  • Torque Specifications

FAQ

Is this manual suitable for beginners? keyboard_arrow_down

Yes, this Komatsu manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Bulldozer maintenance and repair.

What file format will I receive? keyboard_arrow_down

You will receive this manual as a PDF file (43.83 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.

How quickly can I access the manual after purchase? keyboard_arrow_down

You'll receive instant access to your Komatsu Bulldozer manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.

Can I print specific sections of the manual? keyboard_arrow_down

Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.

Customer Reviews

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Reviews (2)

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The shop manual for the Komatsu D80A-12 and D85A-12 is incredibly detailed. I had a smooth download experience, and the support team was quick to respond to my questions. Highly recommend!
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This manual covers everything you need to know for servicing the bulldozer. The download process was seamless, and the customer service was very helpful. Definitely worth the price!