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New Holland 8770 User Manual

New Holland 8770
61 pages
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REPAIR
MANUAL
8701272 6/02
70 Series
70A Series
New Holland North America, Inc., New Holland, PA
Printed in U.S.A.
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New Holland 8770 Specifications

General IconGeneral
Engine TypeFord 7.5L 6-cyl diesel
Horsepower170 hp
Transmission16-speed full power shift
Fuel Capacity341 L
Weight7, 484 kg
Wheelbase2, 845 mm
Power (kW)127 kW
Engine Power170 hp
Displacement7.5 L
PTO Power145 hp
PTO Speed540/1000 rpm
Engine6-cylinder turbocharged diesel

Summary

SECTION 10 - ENGINE

Chapter 4 - Fuel System

Comprehensive guide to the engine fuel system, including testing and adjustments.

Chapter 5 - Engine Removal

Procedures for safely removing and installing the engine from the tractor.

SECTION 21 - TRANSMISSION

Chapter 2 - Separating the Engine and Front Axle from the Transmission

Detailed steps for disconnecting the transmission from other major assemblies.

Chapter 3 - Separating the Rear Axle from the Transmission

Procedures for disconnecting the rear axle from the transmission unit.

Chapter 4 - Mechanical System

Covers the mechanical aspects, disassembly, and reassembly of the transmission.

Chapter 5 - Hydraulic System

Details on the hydraulic components and operation of the transmission.

Chapter 6 - Electrical System

Explains the electrical controls, sensors, and diagnostics for the transmission.

SECTION 25 - FRONT MECHANICAL DRIVE

Chapter 1 - Four-Wheel Drive Dana Axle

Covers the Dana front axle, including operation, adjustments, and repair.

Chapter 3 - Four Wheel Drive Carraro Axle

Information on the Carraro front axle, including disassembly and adjustments.

SECTION 27 - REAR DRIVE AXLE

Chapter 1 - Rear Axle Assembly

Comprehensive guide to rear axle assembly, differential, and related systems.

SECTION 31 - POWER TAKE-OFF

SECTION 33 - BRAKES AND CONTROLS

Chapter 1 - Power Brakes

Information on power brake system components, operation, and troubleshooting.

SECTION 35 - HYDRAULIC SYSTEMS

Chapter 13 - Pressure and Flow Testing

Procedures for testing hydraulic system pressure and flow rates.

Chapter 14 - EHR Calibration, Diagnostics and Hydraulic System Troubleshooting

Calibration, diagnostics, and troubleshooting for EHR hydraulic systems.

SECTION 41 - STEERING

Chapter 1 - Hydrostatic Steering

Details hydrostatic steering system, components, and service procedures.

SECTION 44 - TWO-WHEEL DRIVE AXLE AND WHEELS

SECTION 55 - ELECTRICAL SYSTEMS

Chapter 2 - Fault Codes and Diagnostics

Guide to understanding fault codes and performing electrical system diagnostics.

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