Komatsu WA20-1 Wheel Loader Service Manual
112 pages · Publication SEBM03610100
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- Models
- WA20-1
- Serial coverage
- 1773 and up
- Manual type
- Service Manual
- Pages
- 112
- Publication
- SEBM03610100
- Condition
- Brand new
What's inside
From the manual's own table of contents: 9 sections, 41 entries. See sample pages (PDF, 456 KB)
General11 topics
- Engine ass‘’y (KOMATSU 3D78-1A)
- Radiator ass’y
- Fuel tank
- Battery
- Transmission ass’y
- Drive shaft
- Front axle
- Rear axle
- Wheel (with tire) pc
- Brake ass‘y
- Steering valve
Frame8 topics
- Operator’s seat
- Hydraulic tank
- Steering pump
- Hydraulic pump
- Dump cylinder
- Lift cylinder (one cylinder)
- Steering cylinder
- Boom, bucket link ass’y
(1)When fuel sulphur content is less than 0.5%, (2)When starting the engine in an atmospherric10 topics
- General
- Power train
- circuit diagram
- Transmission pump
- Transmission
- Transmission control linkage
- Oil cooler piping
- Steering piping
- Steering valve
- Brake
° Work equipment hydraulic piping3 topics
- Work equipment control
- hydraulic circuit diagram
- Electrical wiring diagram
Inside this manual
Real pages from this service manual (112 pages). Open the sample pages (PDF, 455 KB)
- Foldout diagram, page 45
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WA20-1 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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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, 112 pages
Quantity one is the manual described above.
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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
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).