Komatsu D155A-2 Crawler Dozer Service Manual
521 pages · Publication SEBM01750209
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- Models
- D155A-2
- Serial coverage
- 50001 and up
- Manual type
- Service Manual
- Pages
- 521
- Publication
- SEBM01750209
- Condition
- Brand new
What's inside
From the manual's own table of contents: 58 topics. See sample pages (PDF, 551 KB)
- General
- Power train hydraulic system
- Power train hydraulic circuit diagram
- Torque converter
- TOROFLOW transmission
- Tra nsm ission control
- TOROFLOW hydraulic piping
- TOROFLOW hydraulic system
- TOROFLOW hydraulic circuit diagram
- Transmission control valve
- Transmission lubrication relief valve
- Transmission pump
- Transmission and steering oil strainer
- Transmission oil filter
- Steering oil filter
- Bevel gear shaft and steering clutch
- Steering control
- Steering control (For assist brake)
- Steering and brake piping
- Steering and brake hydraulic system
- diagram
- Steering pump
- Steering main relief valve
- Steering brake
Show all 58 topics
- Spring assist brake system
- Final drive
- PTO (Power take off)
- Track group
- Idler cushion
- Idler
- Track roller and carrier roller
- Track (Lubricated track link)
- Track (Dry type track link)
- Suspension
- Hydraulic piping
- Hydraulic control
- Hydraulic system
- Hydraulic circuit diagram
- Hydraulic tank
- Hydraulic pump
- Blade lift and ripper control valve
- Blade tilt control valve
- valve
- Hydraulic lever operation
- Hydraulic cylinder
- Cylinder stay
- system
- circuit diagram
- Pilot solenoid valve
- (For giant ripper)
- Pin-puller cylinder (For giant ripper)
- Rotary servo valve
- Straight tilt dozer
- Variable multiple shank ripper
- Variable giant ripper
- Electrical circuit diagram
- APS (Auto priming system)
- Air conditioner
Inside this manual
Real pages from this service manual (521 pages). Open the sample pages (PDF, 551 KB)
- Specifications, page 167: ADJUSTING BRAKE PEDAL LINKAGE
- Troubleshooting, page 207: ,METHOD OF USING TROUBLESHOOTING CHART
- Diagram, page 231: E-2 Related electrical circuit diagram
- Foldout diagram, page 132: CAB ELECTRICAL CIRCUIT
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 521 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).