Routine service, lubrication schedules, fluid checks and changes, filter replacements
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting for all major systems
Repair:
Step-by-step repair instructions for all components, including detailed disassembly and reassembly procedures
Overhaul:
Complete engine rebuild, transmission overhaul, hydraulic system overhaul
Technical Depth
Detail Level:
Comprehensive (factory level)
Illustrations:
Hundreds of detailed photos and exploded diagrams
Specifications:
Torque values, clearances, timing settings, fluid capacities, part numbers
Manual Specifications
File Format
Format:
PDF (Portable Document Format)
Compatibility:
Windows and macOS
Searchability:
Likely text-searchable (standard for professionally produced PDFs)
Print Quality
Printability:
Full page or single page printing capability
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
Engine Specifications
Primary Engine
Engine Family:
International Harvester / David Brown (likely AD Series or similar)
Performance
Estimated Hp 1190:
Approx. 70-80 HP (Engine rating may vary)
Estimated Hp 1390:
Approx. 85-95 HP (Engine rating may vary)
Fuel System
Fuel Type:
Diesel
Injection Type:
Likely direct injection (specifics in manual)
Cooling System
Cooling Method:
Liquid-cooled
Transmission
Standard
Transmission Type Standard:
Constant mesh gearbox with synchromesh (specific configurations vary by model)
Optional
Transmission Type Optional:
Some models may have had optional powershift or synchronized road drive transmissions
Features
Pto Speed:
Standard PTO speeds (e.g., 540/1000 RPM) and related PTO engagement procedures
Differential Lock:
Operation and maintenance of the differential lock
Dimensions
Exterior
Tractor Layout:
Two-wheel drive (standard), with 4WD options likely available for some models
Weights
Operating Weight:
Varies significantly by model and configuration (e.g., 6,000-9,000 lbs or more), specific details in manual
Safety Features
Active Features
Braking System:
Service brake system description, adjustment, and repair (likely hydraulic drum or disc)
Passive Features
Operator Protection:
Information on ROPS (Roll-Over Protective Structure) if fitted, and general safety advice
Technology Features
Infotainment
Instrumentation:
Basic analogue gauges for oil pressure, coolant temperature, fuel level, ammeter/voltmeter, tachometer, and hour meter.
Driver Assistance
Traction Aid:
Differential lock for improved traction in slippery conditions.
Connectivity
Pto Control:
Manual PTO engagement lever and potentially an independent PTO (IPTO) system.
Maintenance
Service Intervals
Engine Oil Change:
Typically 250-500 operating hours, refer to manual for exact intervals and oil type.
Transmission Fluid Change:
Refer to manual; often associated with hydraulic fluid service.
Fluid Specifications
Engine Oil:
API CD or CE service category diesel engine oil, SAE 15W-30 or 10W-30 depending on climate. Specific API rating and viscosity grade in manual.
Hydraulic Fluid:
Tractor Hydraulic Fluid (THF) or equivalent. Specific IH or David Brown approved fluids listed in manual.
Transmission Fluid:
Refer to manual for specific transmission fluid type (e.g., GL-4 gear oil for some components).
Known Issues
Common Wear Items:
Clutch wear, hydraulic pump efficiency, front axle kingpins, PTO spline wear, starter motor reliability.
Electrical Issues:
Wiring harness degradation, grounding issues, and starter solenoid failures can occur with age.
Engine Performance:
Potential for injector issues, head gasket leaks, and cooling system component failures (radiator, thermostat, hoses).
Vehicle History
Brand Heritage
Manufacturer:
David Brown was an independent tractor manufacturer acquired by International Harvester in 1971. These tractors represent the merging of their engineering expertise.
Model Evolution
Production Era:
Likely produced from the late 1970s through the 1980s, bridging the gap between older David Brown designs and later IH models.
Production
Manufacturing Location:
Typically manufactured at David Brown facilities in the UK or International Harvester plants.
Awards & Recognition
Recognitions
Brand Reputation:
David Brown tractors were known for their robust construction and good engineering. International Harvester was a dominant force in agricultural machinery.
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