Overview
The Komatsu D85A-21, D85E-21, D85P-21 dozer repair service manual provides a technical reference for the covered equipment. Its purpose is to help locate information relevant to inspection, troubleshooting, servicing and repair, as applicable to the supplied publication.
The supplied contents outline identifies D85A-21, D85E-21, D85P-21 and Manuals. The table below follows the provided section names and selected topics; consult the manual for the exact procedures and specifications.
Important Information: Confirm the applicable serial-number or production range in the supplied documentation before selecting a procedure.
Table of Contents
Komatsu D85A-21, D85E-21, D85P-21 Manual
Main sections and selected subjects identified in the source documentation:
- D85A-21: 35001 and up
- D85E-21: 35001 and up
- D85P-21: 3001 and up
- Manuals: Shop Manual
- GENERAL
- ENGINE
- 12 TESTING AND ADJUSTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
- 13 DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
- POWER TRAIN
- 21 STRUCTURE AND FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-1
- 22 TESTING AND ADJUSTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-1
- 23 DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1
- 24 MAINTENANCE STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-1
- UNDERCARRIAGE
- 31 STRUCTURE AND FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1
- 34 Disassembly AND Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-1
- MAINTENANCE STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34-1
- HYDRAULIC SYSTEM
- 61 STRUCTURE AND FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-1
- 62 TESTING AND ADJUSTING . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 62-1
- 63 Disassembly AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63-1
- 64 MAINTENANCE STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73-1
- WORK EQUIPMENT
- 71 STRUCTURE AND FUNCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71-1
- 73 DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73-1
- 74 MAINTENANCE STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74-1
- OTHERS
- 90 ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-1
- STRUCTURE AND FUNCTION
- This section explains the structure and function of each component. It serves not only to give
- an understanding of the structure, but also serves as reference material for troubleshooting.
- TESTING AND ADJUSTING
Serial-Number Applicability
The covered production ranges or serial groups may affect the applicable procedures. Check the identification details on the machine against the source documentation.










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