Genuine John Deere 670, 770, 790, 870, 970, 1070 Compact Utility Tractors - Comprehensive Maintenance & Repair Reference

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

John Deere Models Covered & Key Technical Specifications

Models: 670, 770, 790, 870, 970, 1070
Sub-models / Variants: 2WD, MFWD (Mechanical Front Wheel Drive)
Trade Names: Compact Utility Tractor
Build Years: 1990–1999
Technical Data:

  • Engine: Yanmar Diesel (3-cylinder or 4-cylinder configurations)
  • Horsepower: 18.5 HP to 38.5 HP (Net)
  • Displacement: 879 cc to 1906 cc
  • Transmission Types: Sliding Gear, Sliding Collar, Synchromesh
  • Hydraulic System: Open Center, 14135–15514 kPa (2050–2250 psi) working pressure
  • PTO: Transmission Drive or Continuous Live options; 540 rpm Rear PTO
Technical Specifications
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Document Number / Seller:
28797 / Edward Grant
File Size:
49.90 MB
File Type:
PDF
Language:
English
Pages:
1020
Printable:
Yes
Category:
Tractor
Last updated / verified
Sep 11, 2025

John Deere Manual Features & Content Preview

John Deere Compact Utility Tractor Series Technical Scope

  • Built for owners and workshops servicing the John Deere 670, 770, 790, 870, 970, and 1070 Compact Utility Tractor line from 1990 through 1999
  • Official John Deere publication TM1470, latest revision dated January 1999
  • Contains 121 exploded-view diagrams, 28 electrical schematics, and 45 specialized torque specification tables
  • Downloads to your account within seconds of checkout
  • Your order stays downloadable from your account for life
  • Indexed PDF search covers every chapter and appendix
  • Suitable for printing individual sections for shop-floor use
  • This 1020-page manual is the comprehensive reference for the 670 through 1070 series tractors, replacing the 1994 edition to include full updates for late-production units.

Contents Overview

The 1990–1999 John Deere 670–1070 technical manual provides complete service data across all primary tractor systems. The documentation begins with general machine information, safety guidelines, and comprehensive serial number identification. Detailed engine sections cover the Yanmar TN-series diesel engines, documenting removal, installation, and internal component tolerances. Subsequent sections detail the electrical, power train, steering, brake, and hydraulic systems, providing component locations and diagnostic procedures for test and adjustment.

Specification and Reference Values

The John Deere 670–1070 service publication includes extensive technical data for precise maintenance. Cylinder head bolt torque for the 670/770/790 is specified at 85–91 Nm, while the 870/970/1070 engines require 113 Nm. Hydraulic system pressure is documented at 14135 kPa for the 670/770/790 series and 15514 kPa for the 870/970/1070. The manual lists fluid capacities including the 15-liter transmission sump for all units. Comprehensive tolerance charts for crankshaft journals, piston rings, and valve train clearances ensure exact rebuild specifications. This 1020-page John Deere workshop manual covers the 1990–1999 670, 770, 790, 870, 970, and 1070 tractors, providing exhaustive engine, chassis, and hydraulic system technical specifications for the entire compact utility fleet.

Manual FAQ, Purchase & Download Details

What main component groups and tractor systems are included in the 1020-page technical manual? keyboard_arrow_down

Technical manual contains dedicated sections for engine repair, electrical systems, power train components, steering and brake systems, and hydraulic repair groups. It also includes operational checkout procedures and theory of operation chapters for the primary tractor systems.

Is the document compatible with the 670, 770, 790, 870, 970, and 1070 tractor models? keyboard_arrow_down

Yes, this technical manual covers the service and maintenance specifications for the listed compact utility tractor models as indicated in the contents and publication data.

Are there technical reference sections for torque charts, repair specifications, and machine tolerances? keyboard_arrow_down

Section 10 of the manual includes general and repair specification tables, along with dedicated metric and inch series torque charts. These tables provide the technical reference data necessary for assessing components across the various machine systems.

Which chapters provide data regarding fluid capacities and lubricant specifications for these tractors? keyboard_arrow_down

Group 20 of the General Information section contains detailed tables listing fuel, engine oil, coolant, hydraulic oil, and gear oil capacities and usage specifications.

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