New Holland Workmaster 25S Tier 4B Compact Tractor Service Manual
925 pages · Publication 51421067
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- Models
- Workmaster 25S Tier 4B
- Manual type
- Service Manual
- Pages
- 925
- Publication
- 51421067
- Condition
- Brand new
What's inside
From the manual's own table of contents: 23 sections, 78 entries. See sample pages (PDF, 858 KB)
Engine7 topics
- Engine and crankcase
- Fuel tanks
- Fuel filters
- Air cleaners and lines
- Intake and exhaust manifolds and muffler
- Engine cooling system
- Fan and drive
Four-Wheel Drive (4WD) system1 topic
- Drive shaft
Front axle system3 topics
- Powered front axle
- Front bevel gear set and differential
- Final drive hub, steering knuckles, and shafts
Rear axle system3 topics
- Powered rear axle
- Rear bevel gear set and differential
- Planetary and final drives
Hydrostatic drive3 topics
- Mechanical control
- Pump and motor components
- Hydrostatic transmission
Power Take-Off (PTO)3 topics
- Rear mechanical control
- Rear electro-hydraulic control
- One-speed rear Power Take-Off (PTO)
Brakes and controls2 topics
- Mechanical service brakes
- Parking brake or parking lock
Hydraulic systems6 topics
- Reservoir, cooler, and filters
- Fixed displacement pump
- Safety and main relief valves
- Three-point hitch control valve
- Hydraulic hand control
- Excavator and backhoe hydraulic controls
Hitches, drawbars, and implement couplings1 topic
- Rear three-point hitch linkage
Steering4 topics
- Steering control
- Tie rods
- Pump
- Cylinders
Wheels2 topics
- Front wheels
- Rear wheels
Electrical systems17 topics
- Electrical system
- Harnesses and connectors
- Engine starting system
- Alternator
- Battery
- Cold start aid
- Fuel tank system
- Fuel injection system
- Engine oil system
- Ground speed control
- Cab Power Take-Off (PTO) controls
- Parking brake electrical system
- External lighting
- External lighting switches and relays
- Cab or platform harnesses and connectors
- Warning indicators, alarms, and instruments
- Cruise control
Platform, cab, bodywork, and decals3 topics
- Operator protections
- Mechanically-adjusted operator seat
- Engine hood and panels
Inside this manual
Real pages from this service manual (925 pages). Open the sample pages (PDF, 857 KB)
- Specifications, page 264: Hydrostatic drive - Hydrostatic transmission
- Troubleshooting, page 348: Hydrostatic drive - Hydrostatic transmission
- Diagram, page 628: Electrical systems - Harnesses and connectors
- Color page: Hydraulic systems - Three-point hitch control valve
- Color page: Hydraulic systems - Three-point hitch control valve
- Foldout diagram (color): SOLENOID
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, 925 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).