New Holland Workmaster 25S Tractor Service Manual

Original price was: $293.00.Current price is: $104.70.

Covers: New Holland Workmaster 25S

  • 25 hp, without cab
  • Please contact us with serial number to verify compatibility

Type: Service Manual
Language: English
Pages: 925
Format: PDF
File size: 97mb
Features: Bookmarked, searchable, printable
Compatibility: Windows/Mac/Tablet/Mobile

This service manual contains the necessary information to service and troubleshoot the New Holland Workmaster 25S tractor. In this service manual you will find detailed specifications, illustrations, diagrams and step-by-step procedures to properly service the tractor’s hydraulic, electrical and mechanical systems to the manufacturer’s standards. Over 900 pages of detailed factory service information are included. View this PDF manual on your computer, tablet or smartphone, or print off pages as needed.

Dated 4/2018. Yanmar engine repair manual sold separately.




  • Engine Removal and Installation
  • Fuel tanks
  • Fuel filters
  • Air cleaners and lines
  • Intake and exhaust manifolds and muffler
  • Engine cooling system
  • Fan and drive

4WD system

  • Drive shaft

Front axle system

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

Rear axle system

  • Powered rear axle
  • Rear bevel gear set and differential
  • Planetary and final drives

Hydrostatic drive

  • Mechanical control
  • Pump and motor components
  • Hydrostatic transmission

Power Take-Off (PTO)

  • Rear mechanical control
  • Rear electro-hydraulic control
  • 1-speed rear PTO

Brakes and controls

  • Mechanical service brakes
  • Parking brake or parking lock

Hydraulic system

  • 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 couplings
  • Rear three-point hitch linkage


  • Steering control
  • Tie rods
  • Pump
  • Cylinders
  • Wheels

Electrical system

  • Harnesses and connectors
  • Wiring diagram
  • Engine starting system
  • Alternator
  • Battery
  • Cold start aid
  • Fuel tank system
  • Fuel injection system
  • Engine cooling system
  • Engine oil system
  • Ground speed control
  • Cab 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 decals

  • Operator protections
  • Mechanically-adjusted operator seat
  • Engine hood and panels

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-WM25S-SM Category: Tags: , , ,

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