David Brown / Case 770, 870, 970, 1070, 1090, 1170, 1175 Tractor Service Manual (P/N JD-5318)
76 Pages • 5.22 MB • Instant, Printable PDF
David Brown Models Covered & Key Technical Specifications
Models: David Brown / Case 770, David Brown / Case 870, David Brown / Case 970, David Brown / Case 1070, David Brown / Case 1090, David Brown / Case 1170, David Brown / Case 1175
Sub-models / Variants: Gasoline Models, Diesel Models, Adjustable Steering Column, Rigid Steering Column, Dual Wheel Tricycle, Adjustable Axle, Turbocharged Models, Mechanical Shift, Power Shift
Model Years: 1970–1975
Serial Numbers: Serial number stamped on left side of steering support; engine serial number on right rear of cylinder block
Technical Data:
- Engine Configuration: 4 or 6 cylinders
- Bore: 4 to 4-3/8 inches
- Stroke: 5 inches
- Displacement: 251–451 cu. in.
- Fuel System: Zenith carburetors (gasoline), Robert Bosch PES pumps (diesel)
- Electrical System: 12-volt system, negative ground
- Cooling System Capacity: 28–40 quarts depending on model
David Brown Manual Features & Content Preview
- Official 76-page J.I. Case OEM manual covering the 770, 870, 970, 1070, 1090, 1170, and 1175 series (diesel, gas, and Power Shift variants).
- Features 233 exploded-view diagrams and 15 wiring schematics for accurate component identification during any repair.
This manual covers the engine, transmission, and hydraulic systems to support both routine maintenance and major overhauls. Shop time is money. Having factory-recommended tolerances right at your fingertips eliminates guesswork and streamlines your daily workflow. Inside, you will find comprehensive diagnostic data and system layouts for fuel delivery, steering mechanisms, and the cooling system.
Technical specifications are clearly organized for quick reference. For example, diesel engine cylinder head bolt torque is strictly rated at 210 ft.-lbs. (applied in three stages). The cooling system capacity for the 1170 and 1175 models takes 40 quarts, while fuel injection pump timing on these specific models is set at 30° BTDC.
Heavy agricultural equipment demands respect. Always practice safe shop protocols and consult a certified technician before starting a complex repair to prevent injury or equipment damage.
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