Komatsu WA450-3 Wheel Loader Service Manual
770 pages · Publication SEBM01S501
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- Models
- WA450-3
- Serial coverage
- 53001 and up
- Manual type
- Service Manual
- Pages
- 770
- Publication
- SEBM01S501
- Condition
- Brand new
What's inside
From the manual's own table of contents: 64 topics. See sample pages (PDF, 802 KB)
- Power train
- Power train system
- diagram
- Torque converter
- Torque converter oil filter
- Transmission
- control valve
- valve
- Electronic control modulation valve
- Pilot oil filter
- Drive shaft
- Axle
- Differential
- Final drive
- Axle mount, center hinge pin
- Steering piping
- Steering column
- Steering valve
- Orbit-roll valve
- Stop valve
- Emergency steering pump
- Diverter valve
- Brake piping
- Brake circuit diagram
Show all 64 topics
- Brake valve
- Charge valve
- (for brake)
- Slack adjuster
- Brake
- Parking brake control
- Parking brake
- Parking brake solenoid valve
- Parking brake valve
- solenoid valve
- Hydraulic piping
- system diagram
- Work equipment lever linkage
- Hydraulic tank
- PPC valve
- PPC relief valve
- (for PPC valve)
- Cut-off valve
- Main control valve
- Work equipment linkage
- Bucket
- kick-out
- ROPS cab
- Heater and defroster
- Air conditioner (option)
- Electric circuit diagram
- Machine monitor system
- Main monitor
- monitor
- control system
- Sensors
- Engine starting circuit
- Engine stop circuit
- Preheating circuit
- control
- Kick-down, hold switch
- Kick-down electric circuit diagram
- Transmission cut-off switch
- cut-off function
- Electric parking brake control
Inside this manual
Real pages from this service manual (770 pages). Open the sample pages (PDF, 802 KB)
- Specifications, page 33: GENERAL
- Troubleshooting, page 308: TROUBLESHOOTING
- Diagram, page 396: TROUBLESHOOTING
- Foldout diagram, page 768
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the WA450-3 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, 770 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).