Repair Manual for TZ18DA, TZ22DA, TZ24DA, TZ25DA Tractors

Product Overview

This comprehensive repair manual provides the essential technical information needed for servicing the transmission, axle, and other critical components of the TZ series tractors. It is designed to be used alongside the operator’s manual to ensure complete understanding of the operation, adjustment, and maintenance processes. Carefully read through this manual before performing any operations such as starting, servicing, or refueling the tractor.

Table of Contents

• SECTION 00 – GENERAL INFORMATION . . . . . . . . . . 2
• SECTION 10 – ENGINE SYSTEMS . . . . . . . . . 4
• SECTION 25 – FWD . . . . . . . . . . . . . . . . . . . 11
• SECTION 27 – DIFFERENTIAL AND REAR AXLES . . . . . . 13
• SECTION 29 – HYDROSTATIC TRANSMISSION . . . . . . 14
• SECTION 31 – PTO . . . . . . . . . . . . . . . . . . . 17
• SECTION 33 – BRAKES . . . . . . . . . . . . . . . . 19
• SECTION 35 – HYDRAULIC SYSTEM . . . . . . . . . 19
• SECTION 41 – POWER STEERING . . . . . . . . . 23
• SECTION 44 – WHEELS . . . . . . . . . . . . . . . 25
• SECTION 55 – ELECTRICAL SYSTEM . . . . . . . . 26
• SECTION 58 – 54CMS–60CMS MID MOUNT MOWER . . . . 35
• SECTION 90 – PLATFORM . . . . . . . . . . . . . . 36

This document collates the contents pages from each section and chapter of the repair manuals for the TZ18DA, TZ22DA, TZ24DA, and TZ25DA models. For the complete repair part, refer to part number 87350100.

Manual Introduction

The manual is meticulously divided into main groups and subgroups for ease of navigation. It covers all previous versions of the manual, though any future modifications are not included. The detailed illustrations within the manual have been simplified for improved clarity.

Sections of the Manual

For accurate and safe repair or maintenance of your tractor, consult the safety guidelines provided. By following the instructions in the workshop manual, you ensure both safety and the use of best practices. For repairs not described within the manual, your dealer is available to assist. To maintain the tractor’s performance, always use genuine spare parts, recognizable as CNH Original Parts or NEW HOLLAND Original Parts.