Case 521G Tier 4B Wheel Loader Service Manual
2,601 pages · Publication 48083735
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- Models
- 521G Tier 4B
- Manual type
- Service Manual
- Pages
- 2,601
- Publication
- 48083735
- Condition
- Brand new
What's inside
From the manual's own table of contents: 26 sections, 73 entries. See sample pages (PDF, 618 KB)
Engine8 topics
- Engine and crankcase
- Fuel tanks
- Air cleaners and lines
- Selective Catalytic Reduction (SCR) exhaust treatment
- Engine cooling system
- Fan and drive
- Aftercooler
- Engine lubrication system
Transmission3 topics
- Powershift transmission
- Powershift transmission external controls
- Powershift transmission internal components
Four-Wheel Drive (4WD) system1 topic
- Drive shaft
Front axle system4 topics
- Powered front axle
- Front bevel gear set and differential
- Final drive hub, steering knuckles, and shafts
- Final drives
Rear axle system3 topics
- Powered rear axle
- Rear bevel gear set and differential
- Planetary and final drives
Brakes and controls2 topics
- Hydraulic service brakes
- Parking brake or parking lock
Hydraulic systems9 topics
- Reservoir, cooler, and filters
- Variable displacement pump
- Main control valve
- Pilot system
- Remote control valves
- Hydraulic fan drive cooling system
- Front loader arm hydraulic system
- Front loader bucket hydraulic system
- Tool quick coupler hydraulic system
Frames and ballasting1 topic
- Frame
Steering3 topics
- Hydraulic control components
- Cylinders
- Auxiliary steering
Wheels2 topics
- Front wheels
- Rear wheels
Cab climate control1 topic
- Air conditioning
Electrical systems8 topics
- Electrical system
- Harnesses and connectors
- Engine starting system
- Alternator
- Battery
- Selective Catalytic Reduction (SCR) electrical system
- Exhaust Gas Recirculation (EGR) electrical system
- Camera
Front loader and bucket1 topic
- Bucket
Platform, cab, bodywork, and decals1 topic
- Machine shields and guards
Show all 26 sections
Inside this manual
Real pages from this service manual (2,601 pages). Open the sample pages (PDF, 617 KB)
- Specifications, page 387: Front axle system - Front bevel gear set and differential
- Diagram, page 1,027: Electrical systems - Harnesses and connectors
- Troubleshooting, page 1,587: 4. Replace the intake manifold pressure sensor .
- Color page, page 616: Hydraulic systems - Hydraulic systems
- Foldout diagram (color), page 612: Hydraulic systems - Hydraulic systems
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, 2,601 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).