New Holland Workmaster 25 Tractor Service Manual

Original price was: $339.64.Current price is: $119.30.

Covers: New Holland Workmaster 25, Mechanical or Hydrostatic

  • Please contact us with serial number to verify compatibility

Type: Service Manual
Language: English
Pages: 1,115
Format: PDF
File size: 103mb
Features: Bookmarked, searchable, printable
Compatibility: Windows/Mac/Tablet/Mobile

This service manual contains the necessary information for servicing and troubleshooting the New Holland Workmaster 25 tractor. In this service manual you will find detailed specifications, illustrations, diagrams and step-by-step procedures to properly service the machine to the manufacturer’s standards. Over 1,000 pages of detailed service information with clickable links in the table of contents to quickly browse the manual. View this PDF manual on your computer, tablet or phone, or print off pages as needed.

Note: Mitsubishi 3 cyl. engine service manual sold separately.



  • Engine removal and installation
  • Fuel tank and filters
  • Air cleaner and lines
  • Intake and exhaust manifolds and muffler
  • Radiator and expansion tank
  • Fan and belt


  • Clutch mechanical release control
  • Clutch and components


  • 12×12 Mechanical transmission
  • Mechanical transmission external controls
  • Mechanical transmission internal components
  • Master clutch housing
  • Flywheel damper

Four-Wheel Drive (4WD) System

  • Driveshaft
  • FWD

Front Axle

  • Powered front axle
  • Front bevel gear set and differential
  • Final drive hub, steering knuckles, and shafts

Rear Axle

  • Rear bevel gear set and differential
  • Planetary and final drives

Hydrostatic drive

  • Hydrostatic transmission control pedal
  • Transmission and steering hand control
  • Oil cooler and filter
  • Pump and hydraulic motor
  • Hydrostatic transmission service, testing and troubleshooting


  • Rear mechanical control
  • Rear electro-hydraulic control
  • One-speed rear PTO
  • Central PTO

Brakes and controls

  • Parking brake or parking lock
  • Mechanical service brakes

Hydraulic System

  • Hydraulic system schematics and troubleshooting
  • Reservoir, cooler, and filters
  • Fixed displacement pump
  • Safety and main relief valves
  • Remote control valves
  • 3-point hitch control valve
  • 3-point hitch cylinder
  • Front loader hydraulic system control

Rear Three-Point Hitch


  • Steering wheel
  • Tie rods
  • Hydraulic control components
  • Cylinders

Electrical systems

  • Wiring diagrams/schematics
  • Harnesses and connectors
  • Cab engine controls
  • Engine sensor
  • Engine starting system
  • Alternator
  • Battery
  • Cold start aid
  • Fuel tank system
  • Engine cooling system
  • Engine oil system
  • Electronic modules
  • Cab transmission controls
  • Rear PTO control system
  • Parking brake electrical system
  • Cab controls
  • External lighting
  • External lighting switches and relays
  • Warning indicators, alarms, and instruments
  • Central PTO control system
  • Ground speed control

Platform and Cab

  • ROPS
  • Operator’s seat
  • Engine hood and panels
  • Fenders and guards

Please note this manual is in downloadable PDF format only. If you have any questions about this product or would like to request sample pages, please contact us and reference the product name or SKU.

SKU: NH-WM25-SM Category: Tags: , , ,

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