John Deere 670, 770, 790, 870, 970, 1070 Compact Utility Tractor Technical Manual TM1470

John Deere technical manual TM1470 for the 670, 770, 790, 870, 970 and 1070 compact utility tractors. This is the full dealer workshop book, over 1,000 pages, covering both repair and diagnostics.

All six tractors run Yanmar diesels. They range from the three cylinder 3TNA72 in the 670 up to the four cylinder 4TN84, rated 28.7 kW (38.5 hp), in the 1070. The spec pages list the engine, power and speeds for each model.

Compatibility and quick facts

• Make: John Deere
• Models: 670, 770, 790, 870, 970, 1070
• Book code: TM1470
• Engines: Yanmar 3TNA72, 3TN82, 3TNE84, 3TN84, 4TN84 (by model)
• Replaces: TM1470 dated 15 Mar 1994
• Edition: 15 Mar 1999
• Manual type: Technical manual (repair and diagnostics)
• Language: English
• Length: 1020 pages
• Format: PDF, download link right after checkout

What is inside

• General specs, cap screw torques, tune-up, fuel and lubricants
• Operational checkout: a full test drive routine to find faults fast
• Engine repair and engine diagnostics
• Electrical system theory, wiring diagrams and diagnosis
• Power train repair and diagnostics: gear and hydrostatic transmissions
• Steering and brakes
• Hydraulic system: pump, valves, hitch, with pressure tests
• Miscellaneous repair: PTO, front axle (MFWD), sheet metal

Good to know before you buy

John Deere technical manuals are written for a trained mechanic. Each group opens with the special tools, specs, wear limits and torque values, then the steps.

Repair and diagnostic sections are both in this one book, so you do not need a second manual for these tractors.

Common questions

Does it cover the hydrostatic 790 and 870?
Yes. Gear and hydrostatic power trains both have repair and test sections.

Is the engine overhaul included?
Yes. Section 20 covers engine repair for the Yanmar diesels.