New Holland Workmaster 25 Tier 4B User Manual (English)

Questions and Answers:

J
James ChaseAug 5, 2025
Why New Holland Tractor start motor rotates but engine doesn't start?
- K
  Kimberly DeckerAug 5, 2025
  If the start motor rotates, but the engine of your New Holland Tractor doesn't start, the issue could stem from a few reasons. A low battery charge could be the culprit; try charging or replacing the battery. Air in the fuel system can also prevent starting, so bleed out the air. A clogged fuel filter restricts fuel flow, so clean or replace the filter. Ensure the fuel shutoff valve on the fuel filter is open. Lastly, the fuel shutoff solenoid on the fuel injection pump might be stuck; check its operation and repair as needed.
Y
Yvette HamiltonAug 12, 2025
What to do if New Holland Workmaster 25 Tier 4B engine stops suddenly?
- J
  Johnathan JonesAug 12, 2025
  If your New Holland Tractor engine suddenly stops during operation, it could be due to several reasons. You may have a fuel shortage, so add fuel and bleed air from the fuel system. A faulty fuel injector or fuel injection pump could also be the cause, requiring repair or replacement. In more severe cases, internal parts of the engine may have seized due to a lack of lubrication, necessitating engine repair.
K
Kathleen SmithAug 21, 2025
How to fix irregular engine speed on New Holland Workmaster 25 Tier 4B?
- R
  Rachel ElliottAug 21, 2025
  Irregular engine speed in your New Holland Tractor can be caused by several factors. There might be air in the fuel system, so bleed the fuel system. A clogged fuel filter could also be the problem, so clean or replace the filter. Other potential causes include a clogged injection nozzle (repair or replace the nozzle), fuel leakage (repair the fuel system), or irregular fuel injection (repair or replace the fuel injection pump).
T
Tracy GutierrezAug 28, 2025
What to do if New Holland Workmaster 25 Tier 4B start motor does not rotate?
- S
  Sarah MitchellAug 28, 2025
  If the start motor of your New Holland Tractor doesn't rotate when the key is in the start position, several factors could be at play. It might be due to a low battery charge, in which case you should charge or replace the battery. Check for loose battery or starter cable terminals and tighten them. The key switch itself could be faulty, requiring repair or replacement. Ensure the safety start switch is completing the circuit by fully depressing the clutch pedal, and confirm the PTO safety switch is in the OFF position. Lastly, the starter motor itself might be faulty, necessitating repair or replacement.

New Holland Workmaster 25 Tier 4B Specifications

General

Brand	New Holland
Model	Workmaster 25 Tier 4B
Category	Tractor
Language	English

Summary

1 GENERAL INFORMATION

Note to the Owner

Information concerning adjustment and maintenance of new equipment.

Intended use

Tractor designed to pull, carry, and power various mounted or towed equipment.

Electro-Magnetic Compatibility (EMC)

Guidelines to avoid interference from add-on equipment.

Product Identification Number (PIN)

Location and importance of identifying numbers for service.

Operator's manual storage

Proper storage location and availability of the operator's manual.

Machine orientation

Defining left-hand and right-hand based on operator's perspective.

Emissions overview

Federal Emission Warranty Statement and warranty periods.

2 SAFETY INFORMATION

Safety rules and signal word definitions

Defines DANGER, WARNING, CAUTION, and NOTICE signal words and their safety implications.

Safety rules

General safety precautions for operating and servicing the tractor.

Do not operate tag

Procedure for applying a 'Do Not Operate' tag before servicing.

Ecology and the environment

Guidelines for safe use and disposal of fluids and battery recycling.

Safety signs

Location and importance of safety signs on the machine.

3 CONTROLS AND INSTRUMENTS

Operator's Seat and Safety Structure

Information on seat belts, seat adjustments, and Roll-Over Protective Structure (ROPS).

Forward Controls and Instrument Panel

Details the instrument cluster, cruise control, and primary forward operating controls.

Left-Hand Side Controls

Operation of transmission range, park brake, 4WD, and Mid PTO levers.

Right-Hand Side Controls

Operation of Hydraulic Power Lift, rear remote valves, and transmission shift levers.

Exterior Controls

Operation of the hood release lever.

4 OPERATING INSTRUCTIONS

Unit Commissioning and PTO Operation

Procedures for engine break-in and operating Power Take-Off (PTO) systems.

Hitch and Implement Operation

Instructions for using the three-point hitch and attaching equipment.

Starting, Stopping, and Emergency Procedures

Guides for starting, stopping, emergency stops, and using jumper cables.

Moving and Parking the Tractor

Operation of steering, HST transmission, and parking procedures.

Transport Operations Overview

Information on external lighting, hazard lights, and turn signals for road transport.

5 TRANSPORT OPERATIONS

Road transport

Identification of external lighting systems on the tractor.

Hazard warning light - Operation

How to activate and use hazard warning lights for visibility.

Turn signal - Operation

How to use turn signals for indicating turns.

Driving the vehicle

Precautions and guidelines for safe driving of the tractor.

Shipping transport

Procedures for safely carrying the tractor on a transporter.

Recovery transport

Safety warnings and procedures for towing the tractor for recovery.

6 WORKING OPERATIONS

General information

Information on ballasting the tractor for traction and stability.

Tire load capacity

Data on tire inflation pressures and their load capacities.

Tractor ballasting weights

Details on optional cast iron weights and mounting brackets.

Operator presence system

How the operator presence system prevents operation without an operator.

7 MAINTENANCE

General Maintenance and Safety Rules

Importance of maintenance, safety rules, and fuel usage guidelines.

Maintenance Schedule and Intervals

Comprehensive chart detailing maintenance actions and intervals.

Fluid Checks and Replacements

Procedures for checking and changing engine oil, coolant, and filters.

Component Checks and Adjustments

Inspection of ROPS, wheels, tires, brakes, and belts.

Storage and Removal from Storage

Guidelines for storing the tractor and preparing it for use.

8 TROUBLESHOOTING

Troubleshooting - Foreword

Introduction to the troubleshooting guide and how to use it.

Engine - Troubleshooting

Common engine problems, their causes, and corrective actions.

Clutch - Troubleshooting

Troubleshooting steps for clutch slippage or release issues.

Mechanical service brakes - Troubleshooting

Issues related to brake pedal return and braking performance.

Steering - Troubleshooting

Common problems with the hydraulic steering system and their solutions.

Hydrostatic transmission - Troubleshooting

Troubleshooting for HST operation, power issues, and abnormal noises.

Electrical system - Troubleshooting

Issues related to headlights, battery charging, horn, and turn signals.

9 SPECIFICATIONS

Wheel tread settings

Specifications for front and rear wheel tread settings.

Tire inflation pressures

Recommended air pressures and load capacities for front and rear tires.

General specifications

Key specifications for the engine, capacities, cooling, electrical, and fuel systems.

Tractor dimensions

Physical dimensions of the tractor, including length, wheelbase, and height.

10 ACCESSORIES

Optional equipment

Information about optional accessories like the grille guard.

11 FORMS AND DECLARATIONS

Pre-delivery report - Dealer's copy

Checklist for pre-delivery inspection and service.

Pre-delivery report - Owner's copy

Checklist for pre-delivery inspection and service for the owner.

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New Holland Workmaster 25 Tier 4B User Manual

Table of Contents

Questions and Answers:

New Holland Workmaster 25 Tier 4B Specifications

Summary

1 GENERAL INFORMATION

Note to the Owner

Intended use

Electro-Magnetic Compatibility (EMC)

Product Identification Number (PIN)

Operator's manual storage

Machine orientation

Emissions overview

2 SAFETY INFORMATION

Safety rules and signal word definitions

Safety rules

Do not operate tag

Ecology and the environment

Safety signs

3 CONTROLS AND INSTRUMENTS

Operator's Seat and Safety Structure

Forward Controls and Instrument Panel

Left-Hand Side Controls

Right-Hand Side Controls

Exterior Controls

4 OPERATING INSTRUCTIONS

Unit Commissioning and PTO Operation

Hitch and Implement Operation

Starting, Stopping, and Emergency Procedures

Moving and Parking the Tractor

Transport Operations Overview

5 TRANSPORT OPERATIONS

Road transport

Hazard warning light - Operation

Turn signal - Operation

Driving the vehicle

Shipping transport

Recovery transport

6 WORKING OPERATIONS

General information

Tire load capacity

Tractor ballasting weights

Operator presence system

7 MAINTENANCE

General Maintenance and Safety Rules

Maintenance Schedule and Intervals

Fluid Checks and Replacements

Component Checks and Adjustments

Storage and Removal from Storage

8 TROUBLESHOOTING

Troubleshooting - Foreword

Engine - Troubleshooting

Clutch - Troubleshooting

Mechanical service brakes - Troubleshooting

Steering - Troubleshooting

Hydrostatic transmission - Troubleshooting

Electrical system - Troubleshooting

9 SPECIFICATIONS

Wheel tread settings

Tire inflation pressures

General specifications

Tractor dimensions

10 ACCESSORIES

Optional equipment

11 FORMS AND DECLARATIONS

Pre-delivery report - Dealer's copy

Pre-delivery report - Owner's copy

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