David Brown / Case 770, 870, 970, 1070, 1090, 1170, 1175 Tractor Service Manual

Repair manual for all 770, 870, 970, 1070, 1090, 1170, 1175 tractor models, covering engine, transmission, and hydraulic systems with detailed procedures and diagnostics. Part No. JD-5318

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Document Details

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Document Number / Seller:
30905 / Elizabeth Hicks
File Size:
5.22 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Tractor
Last updated / verified
Jun 23, 2025

Models Covered & Key Technical Specifications

David Brown / Case 770, 870, 970, 1070, 1090, 1170, 1175 Tractor Manual - Diagnostics & Repair Procedures

Service manual detailing engine, transmission, and hydraulic systems for all models. Part No. JD-5318 | Series Tractor Module.

  • Engine Specifications: 4-6 cylinders, 4-5" bore, 5-5" stroke, providing 251-451 cu. in. displacement.
  • Fuel System Data: Features Zenith carburetors on gasoline models and Robert Bosch PES pumps on diesel models.
  • Hydraulic System Details: Utilizes a single hydrostatic system pump for power steering, brakes, and PTO clutch control.
  • Electrical System Coverage: Includes detailed information on the typical 12-volt system with quick-disconnect plugs and color-coded wiring.
  • Torque Settings: Provides specific torque values for critical components like clutch housing and engine mounting bolts.
  • Cooling System Procedures: Details radiator, thermostat, and water pump removal, installation, and overhaul.

Professional Workshop Service Manual & Technical Specifications

Reference-Grade Diagnostic Installation Manual: Tractor Official David Brown Tractor Manual 770, 870, 970, 1070, 1090, 1170, 1175 - Diagnostics & Repair Procedures Reference-Archive

Service-Level: tractor // Technical-Benchmarks: diesel engine / hydraulic system Logic // Service-Level: diagnostics & repair procedures. Performance-Element Value Logic
Engine Displacement 251-451 cu. in. Provides power data for various models.
Bore & Stroke 4-5" bore, 5-5" stroke Defines critical engine dimensions for assembly.
Hydraulic System Pressure 180-200 psi Ensures proper operation of all hydraulic components.
Clutch Torque Specification 35-40 ft.-lbs. Guarantees secure installation of clutch housing components.
Brake System Pressure 230-320 psi Essential for safe and effective braking performance.
Electrical System Voltage 12-volt Standard power supply for tractor components.

Service procedures are grouped by system, offering a comprehensive overview of the tractor's mechanics. Key specifications cover engine details, fuel and hydraulic systems, and electrical component data. Strategic content organization ensures clarity for all repair tasks. The manual documents torque specifications for clutch housing bolts to ensure proper gasket seal integrity.

Chapters:

  • Engine and Components
  • Clutch Housing
  • Differential and Final Drive
  • Hydraulic System
  • Brakes
  • Power Steering System

The manual details the operation and maintenance of various systems, including the steering actuator, power shift clutch, and Draft-O-Matic control mechanism, providing a complete reference for service technicians.

FAQ

What is the **required** fluid capacity for the cooling system? keyboard_arrow_down

28-40 Qts. is the cooling system capacity, with the crankcase requiring 9-17 Qts. when equipped with a filter.

How do I calculate the **specified** component identification for the injectors? keyboard_arrow_down

Roosa-Master 9.5 mm (pencil) nozzles are used across all models, with specific Master Nos. 19745 or 20345 for some units, and 18084 for others, identifiable by orifice spray angle.

What **essential** values are documented for brake adjustment procedures? keyboard_arrow_down

Brake lining pads require renewal when worn to 1/4-inch thickness or less, and initial brake disc clearance adjustment involves setting hand lever linkage to ensure free play of 3/8-inch at the knurled handle.

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Reviews (3)

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The manual is incredibly detailed and easy to follow. I found it very helpful for both routine maintenance and more complex repairs.
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The troubleshooting tips have been invaluable! Also, the support team responded quickly to my questions about the download.
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Rated 4 out of 5 stars