New Holland 8670, 8770, 8870, 8970, 8670A, 8770A, 8870A, 8970A Tractor Pdf Repair Service Manual (p. Nb. 87018722)

New Holland 8670, 8770, 8870, 8970, 8670A, 8770A, 8870A & 8970A Tractor PDF Repair Service Manual (Publication No. 87018722)

Large-scale tillage, heavy cultivation and demanding field operations require tractors that deliver dependable horsepower day after day. The New Holland 70 and 70A Series tractors were engineered for exactly these conditions, combining high-capacity hydraulics, robust driveline components and dependable power for modern farming operations. When major repairs become necessary, using the correct factory service information is essential.

The New Holland 8670, 8770, 8870, 8970, 8670A, 8770A, 8870A and 8970A Repair Service Manual is the official OEM workshop guide developed for dealership technicians. It provides complete repair procedures, troubleshooting instructions, hydraulic testing, wiring diagrams and overhaul information for every major tractor system.

Published as Publication Number 87018722, this comprehensive workshop manual contains more than 2,100 pages of technical information with searchable navigation, detailed illustrations and factory repair specifications.

Purpose-Built for High-Horsepower Tractor Repairs

The Genesis 70 and 70A Series tractors are commonly used with large cultivators, air seeders, grain carts, heavy tillage equipment and high-capacity PTO implements. Continuous heavy loads place significant demands on the transmission, hydraulic circuits, front mechanical drive and electronic control systems. This factory manual helps technicians accurately diagnose problems before replacing expensive components.

Every repair chapter follows OEM workshop procedures, allowing mechanics to inspect, disassemble, measure, rebuild and calibrate assemblies according to factory specifications while reducing unnecessary downtime.

Machine Specifications

Manual Specifications

Table of Contents

• Section 00 – General Information
• Section 10 – Engine
• Section 21 – Transmission
• Section 23 – Drive Lines
• Section 25 – Front Mechanical Drive
• Section 27 – Rear Drive Axle
• Section 31 – Power Take-Off
• Section 33 – Brakes and Controls
• Section 35 – Hydraulic Systems
• Section 41 – Steering
• Two-Wheel Drive Axle and Wheels
• Climate Control Systems
• Electrical Systems
• Platform, Cab and Bodywork

Complete OEM Technical Coverage

From rebuilding the rear differential and servicing the front mechanical drive to calibrating electro-hydraulic remote valves and diagnosing electronic instrument cluster faults, this factory repair manual delivers structured procedures supported by detailed diagrams, pressure-testing instructions and workshop specifications.

Whether performing scheduled servicing or a complete tractor overhaul, technicians can quickly locate the required chapter using searchable bookmarks and the organized OEM section layout.

Frequently Asked Questions

Which tractor models are included in this manual?

It covers the New Holland 8670, 8770, 8870, 8970, 8670A, 8770A, 8870A and 8970A tractors.

Does this manual include hydraulic pressure testing procedures?

Yes. It contains hydraulic diagnostics, pressure and flow testing, remote valve servicing and system troubleshooting.

Are electrical wiring diagrams provided?

Yes. Complete wiring diagrams, fault-code diagnostics and electrical repair procedures are included.

Can this manual be used for transmission and MFWD repairs?

Yes. It includes complete transmission, drive line, front mechanical drive and rear axle overhaul procedures.

Is Publication 87018722 an official OEM workshop manual?

Yes. Publication Number 87018722 is the factory repair service manual developed for professional New Holland workshop servicing.