Komatsu Bulldozer D155A-6 SN 85001-UP Factory Workshop Service Repair Manual

Komatsu Bulldozer D155A-6 SN 85001-UP Factory Workshop Service Repair Manual

Loaded with Hi Resolution illustrations, instructions, photos, and diagrams, complete to service and repair your Komatsu. Read and print pages directly from the CD, or copy the entire manual to your hard drive.

Pages: 1300+

 

 

Models Covered :

D155A-6 SN 85001-UP

 

Manual Covers :

COVER:

Index

Foreword and general information

 

 Specification:

Specification and technical data

 

Structure, function and maintenance standard:

Engine and cooling system

Power train, Part 1

Power train, Part 2

Undercarriage and frame

Hydraulic system

Work equipment

Cab and its attachments

Electrical system

 

Standard value table:

Standard service value table

 

Testing and adjusting:

Testing and adjusting, Part 1

Testing and adjusting, Part 2

Testing and adjusting, Part 3

Testing and adjusting, Part 4

 

Troubleshooting:

Failure code table and fuse locations

General information on troubleshooting

Troubleshooting by failure and error codes, Part 1

Troubleshooting by failure and error codes, Part 2

Troubleshooting by failure and error codes, Part 3

Troubleshooting by failure and error codes, Part 4

Troubleshooting of electrical system (E-mode)

Troubleshooting of hydraulic and mechanical system (H-mode)

Troubleshooting of engine (S-mode)

 

Disassembly and assembly:

General information on disassembly and assembly

Engine and cooling system

Power train, Part 1

Power train, Part 2

Power train, Part 3

Undercarriage and frame

Hydraulic system

Work equipment

Cab and its attachments

Electrical system

 

Air conditioner:

Structure, function, testing, adjusting, and troubleshooting

 

Diagrams and drawings:

Hydraulic diagrams and drawings

Electrical diagrams and drawings

 

Extras:

Operation and Maintenance Manual

Field Assembly Manual

 

 

This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.

Language: English 
Format: PDF

COMPATIBLE WITH ALL WINDOWS & MAC COMPUTERS 
(WINDOWS 11, WINDOWS 10, WINDOWS 8 ETC.)

Windows/Mac/Tablet/Phone Friendly

 

 

 

 

The 

, with serial number 85001 and up, was a high-performance crawler dozer produced by Komatsu. It was known for its powerful engine, which combined strong performance with enhanced fuel efficiency through a lock-up torque converter. The specific serial number range, 85001-UP, is crucial for identifying the correct service and parts manuals. 

• Engine: The 
  D155A-6

   is powered by a Komatsu 

  SAA6D140E-5

   turbocharged diesel engine.

• Horsepower: The engine delivers a net horsepower of 354 HP (264 kW) at 1,900 rpm.
• Transmission: A Komatsu TORQFLOW transmission provides three forward and three reverse gears. It features an automatic transmission with a lock-up torque converter for improved fuel efficiency.
• Emissions: The engine was designed to meet US EPA Tier 2 and EU Stage 2 emissions standards.
• Operating weight: The operating weight for a standard machine is approximately 87,100 lbs (39,500 kg). 

• Blade capacity: The 
  D155A-6

   was available with several blade options:

  • Semi-U blade (SIGMADOZER): Capacity of 12.3 cubic yards. This design is engineered to dig and roll material more efficiently.
  • U-dozer blade: A larger capacity of up to 21.7 cubic yards was also available.
• Undercarriage: The dozer features a low-drive undercarriage designed to reduce shoe slippage and increase drawbar pull.
• Ripper: Rippers were available as optional attachments. 

• Controls: The ergonomic Palm Command Control System (PCCS) joystick provides precise and responsive control of all dozing functions.
• Cab environment: The redesigned cab was built with high rigidity and superb sealing to significantly reduce noise, vibration, and dust. A cab damper spring also isolates the cab from the machine body for improved ride comfort.
• Monitoring: The large LCD color monitor in the cab displays vital machine data and includes features to help improve fuel efficiency. The KOMTRAX remote monitoring system also provides operational and diagnostic reports.