Service Manual for T4 Series Tractors

Product Overview

This comprehensive service manual provides in-depth technical information essential for servicing the T4.90, T4.100, T4.110, and T4.120 tractors.
It is a crucial tool for understanding transmission, axle, and other key tractor components. For complete operational guidelines,
adjustments, and maintenance procedures, use this manual alongside the operator’s manual. Thoroughly read this manual before beginning
any tractor-related activities, including starting, refueling, or maintenance.

Table of Contents

• Contents
• Introduction
• Engine
• Clutch
• Transmission
• Four Wheel Drive
• Front Axle
• Rear Axle
• Power Take-Off
• Brakes and Controls
• Hydraulic Systems
• Pneumatic System
• Hitches, Drawbars, and Implement Coupling
• Steering
• Wheels
• Cab Climate Control
• Electrical System
• Front Loader and Bucket
• Platform, Cab, Bodywork, and Decals

Manual Introduction

The manual is organized into major groups and subgroups for ease of reference. While versions of the manual may be updated over time, this document covers the essential information currently available. For clarity, some illustrations in this manual are presented in a simplified format. Always consult the table of contents to locate the specific information you need.

Repair and Maintenance

Prior to commencing any repair or maintenance activities on the tractor, carefully review the safety guidelines. Adhering to these guidelines will help prevent incidents and ensure best practices are followed.
Use the instructions provided in the Workshop Manual during any tractor work. Repairs not covered in this manual can be conducted by your authorized dealer.
It is recommended to use only genuine parts, such as CNH Original Parts or NEW HOLLAND Original Parts, to ensure the highest quality, longevity, and safety, as these are equivalent to the parts used during initial production.