New Holland TN70 User Manual

87034098 5/03

2003 NEW HOLLAND NORTH AMERICA, INC.
Printed In U.S.A.
TN55, TN65, TN70, TN75
REPAIR MANUAL
COMPLETE CONTENTS
SECTION 00 - GENERAL 2............................................
SECTION 10 - ENGINE 2..............................................
SECTION 18 - CLUTCH 3..............................................
SECTION 21 - TRANSMISSIONS 3.....................................
SECTION 23 - DRIVE LINES 5..........................................
SECTION 25 - FRONT AXLE MECHANICAL TRANSMISSION 6...........
SECTION 27 - REAR MECHANICAL TRANSMISSION 6...................
SECTION 31 - MECHANICAL POWER TAKE-OFF 7......................
SECTION 33 - BRAKING SYSTEM 8....................................
SECTION 35 - HYDRAULIC SYSTEM 8..................................
SECTION 41 - STEERING 10............................................
SECTION 44 - AXLES AND WHEELS 11.................................
SECTION 55 - ELECTRICAL SYSTEM 11.................................
SECTION 90 - PLATFORM, CAB, BODYWORK 15........................
The following pages are the collation of the contents pages from each section and
chapter of the TN55, TN65, TN70, TN75 Repair manual. Complete Repair part #
87034092.
The sections used through out all New Holland product Repair manuals may not be
used for each product. Each Repair manual will be made up of one or several books.
Each book will be labeled as to which sections are in the overall Repair manual and
which sections are in each book. The sections listed above are the sections utilized for
the TN55, TN65, TN70, TN75 Tractors.

New Holland TN70 Specifications

General

Engine Power	70 hp
Type	Utility Tractor
Fuel Type	Diesel
Drive	4WD
Hydraulic System	Open Center

Summary

SECTION 10 - ENGINE

Chapter 1 - Engine

Covers engine specifications, maintenance, and repair procedures for optimal performance and longevity.

SECTION 18 - CLUTCH

Chapter 1 - Clutch

Details clutch system components, operation, removal, installation, and adjustments for smooth power engagement.

SECTION 21 - TRANSMISSIONS

Chapter 1 - Mechanical Transmission (8 x 8), (16 + 16) Synchro-Command, and 8 x 8 Non-Synchronized Transmissions

Explains mechanical transmissions, including 8x8, Synchro-Command, and non-synchronized variants.

Chapter 2 - Power Shuttle Transmission (8 + 8 and 16 + 16 versions)

Covers power shuttle transmission systems, detailing their operation, maintenance, and repair.

SECTION 25 - FRONT AXLE MECHANICAL TRANSMISSION

Chapter 1 - Front Axle Mechanical Transmission

SECTION 27 - REAR MECHANICAL TRANSMISSION

Chapter 1 - Rear Mechanical Wheel Drive

SECTION 33 - BRAKING SYSTEM

Chapter 1 - Braking System

Covers the braking system, including hydraulic pump, parking brake, and brake adjustments for safe operation.

SECTION 35 - HYDRAULIC SYSTEM

Chapter 1 - Rear Mechanical Hydraulic Lift

Details the rear mechanical hydraulic lift system, including internal controls, adjustments, and valve operations.

Chapter 2 - Open Centre System Auxiliary Control Valves

SECTION 41 - STEERING

Chapter 1 - Steering

Covers steering system components, including hydrostatic steering, control valves, and bench testing.

SECTION 44 - AXLES AND WHEELS

Chapter 1 - Axles and Wheels

SECTION 55 - ELECTRICAL SYSTEM

Chapter 2 - Starting System

Chapter 3 - Charging System