Market Position:
Essential resource for owners and technicians of robust Case David Brown agricultural tractors, providing the critical technical data needed for effective servicing and repair.
Key Features:
Comprehensive coverage across multiple popular Case David Brown models, detailed diagnostic procedures, and specific technical data crucial for maintaining optimal tractor performance and longevity.
Diy Support:
Positioned as a tool for DIY specialists, enabling tractor owners to perform their own maintenance and repairs, saving on labor costs and fostering self-sufficiency.
Intended Users:
Agricultural equipment owners, farm mechanics, tractor repair shops, and enthusiasts looking to maintain, repair, or restore Case David Brown tractors.
Market Context Comparison:
Competed against other major tractor manufacturers of its era, such as Massey Ferguson, Ford, and John Deere, offering comparable power and functionality for agricultural and industrial applications.
Coverage Areas:
Axle, Brakes, Clutch, Cooling System, Fuel System, Turbocharging, Differential, Electrical System, Engine, Final Drives, Front Axle System, Hydraulic System, Power Shift Clutch, Power Take Off (PTO), Steering System, Transmission
Applicable Models:
Case David Brown 770, 870, 970, 1070, 1090, 1170, 1175
Manual Type:
Workshop Service Repair Manual
Download Size Note:
Files can be very large, up to 1 Gigabyte. Ensure sufficient storage space is available before commencing the download.
Digital Delivery Benefit:
Instant download provides immediate access to vital repair information, enabling timely servicing and reducing downtime for the tractor.
Estimated Page Count:
While not explicitly stated, workshop manuals for this range of tractors are typically extensive, often exceeding 500 pages due to the complexity and detail required for comprehensive coverage. The mention of file sizes up to 1GB suggests a very large manual.
Systems Covered:
Comprehensive coverage of all major mechanical, hydraulic, electrical, and powertrain systems specific to the Case David Brown 770, 870, 970, 1070, 1090, 1170, and 1175 tractor models.
Procedures Included:
Detailed step-by-step repair and overhaul procedures, diagnostic troubleshooting guides, routine maintenance instructions, technical specifications, torque values, and component removal/installation.
Technical Depth:
In-depth technical information suitable for professional mechanics and experienced DIY enthusiasts, covering everything from basic adjustments to complete engine and transmission rebuilds.
Diagnostic Procedures:
Includes detailed diagnostic charts and flowcharts for identifying and rectifying common and uncommon faults across all covered systems. This aids in efficient problem diagnosis.
Common Fault Diagnosis:
Systematic approach to diagnosing issues like loss of power, hydraulic system malfunctions, transmission shifting problems, and electrical faults, with specific tests and checks outlined.
Wiring Diagrams:
Comprehensive electrical schematics and wiring diagrams are a critical component of this manual, illustrating the layout and function of the starter, alternator, lighting, instrumentation, and any auxiliary electrical systems.
Hydraulic System Service:
In-depth coverage of the tractor's hydraulic system, including the pump, control valves, cylinders, and remote hydraulic outlets. Procedures for troubleshooting leaks, pressure issues, and component testing are included.
Final Drive Service:
Procedures for servicing and repairing the front and rear final drives, including gear inspection, bearing replacement, and seal servicing to ensure efficient power delivery.
Brake System Repair:
Covers disc or drum brake system maintenance, including caliper/wheel cylinder overhauls, pad/shoe replacement, brake fluid flushing and bleeding, parking brake adjustments, and master cylinder service.
Steering System Service:
Covers power steering system maintenance, including pump, reservoir, hoses, and steering gearbox or cylinder overhaul. Procedures for checking and adjusting steering linkage and play are included.
Pto System Maintenance:
Information on maintaining and repairing the PTO engagement system, including clutch packs, drive shafts, and control linkages, ensuring safe and effective operation of PTO-driven implements.
Front Axle Service:
Coverage of the front axle assembly, including kingpins, steering knuckles, wheel bearings, and front-wheel drive systems (if equipped), with detailed overhaul and adjustment procedures.
Body And Frame:
Includes procedures for basic bodywork repairs, fender maintenance, and chassis component checks, though the primary focus is on mechanical and operational systems.
Troubleshooting Flowcharts:
Detailed flowcharts and diagnostic trees are provided to help technicians systematically identify the root cause of problems, saving time and resources.
File Format Details:
Digital PDF format, optimized for download. May contain large files (up to 1GB) requiring sufficient storage space and stable internet connection for download.
Searchability:
A well-created PDF manual will have searchable text, allowing users to quickly find specific topics, part numbers, or procedures. This significantly enhances usability.
File Size Impact:
The large file size indicates a high level of detail, including numerous diagrams, illustrations, and extensive textual information covering all aspects of the tractor.
Print Quality Expectation:
As a PDF download, the quality is dependent on the source scan. Professional scans aim for clear, legible text and diagrams, suitable for printing key sections or viewing on electronic devices.
Diagram Clarity:
High-quality diagrams, illustrations, and exploded views are essential for understanding complex assemblies and procedures. This manual aims to provide such clarity.
Binding Type For Downloaded Content:
Digital (PDF) – no physical binding. Users can print sections as needed.
Paper Type For Printing:
Standard A4 or Letter paper is suitable for printing. High-quality printouts of diagrams and schematics are recommended.
Primary Engine Type:
Likely based on David Brown's established diesel engine designs, featuring inline multi-cylinder configurations. Specific engine families like the 30, 40, and 70 series are probable across these models, with displacements typically ranging from 3.0 to 4.5 liters depending on the specific model and engine option.
Horsepower Range:
Varies by model and engine option, likely ranging from approximately 50 HP (770) to over 100 HP (1175). Torque figures will be model-specific and geared towards agricultural power requirements.
Torque Characteristics:
Torque curves and specifications relevant to agricultural work, emphasizing sustained pulling power at lower RPMs, which is characteristic of diesel engines in this class.
Fuel System Components:
Typically features a robust diesel fuel injection system, likely including rotary or inline injection pumps from manufacturers like CAV or Lucas. Turbocharged variants (e.g., 970, 1070, 1170, 1175) will incorporate turbocharger systems for increased power and efficiency. Fuel filters and priming systems are critical maintenance points.
Turbocharging Details:
For turbocharged models, the manual will detail turbocharger unit specifications, lubrication requirements, boost pressure testing, and related intercooling systems if applicable.
Engine Overhaul Procedures:
Covers cylinder head removal and assembly, piston and connecting rod installation, crankshaft and bearing service, camshaft and timing gear/chain maintenance, and oil pump service.
Fuel Injection Pump Calibration:
Details on the removal, service, and calibration of diesel fuel injection pumps, critical for engine performance and fuel economy. May include timing procedures.
Timing Belt Or Chain Maintenance:
If the engine uses a timing belt or chain, the manual will provide specifications for inspection, tensioning, and replacement intervals to ensure correct engine timing.
Cooling System Maintenance:
Details radiator service, thermostat replacement, water pump overhaul, fan belt tensioning, coolant type specifications, and system flushing procedures to prevent overheating.
Transmission Types:
Likely includes manual gearboxes with multiple forward and reverse speeds (e.g., 8F/2R, 12F/4R). Power shift or synchronized transmission options may be available on higher horsepower models (e.g., 1070, 1170, 1175) for smoother gear changes under load. PTO options (540/1000 RPM) are standard.
Clutch Service:
Detailed procedures for clutch plate replacement, pressure plate inspection, release bearing service, and clutch pedal adjustment. Power shift clutch procedures will be specific and more complex.
Model Weight Approximate:
Varies significantly by model, but these are substantial agricultural tractors. Approximate operating weights can range from 2,000 kg (770) to over 4,000 kg (1175), excluding ballast.
Gross Vehicle Weight Rating Guideline:
GVWR will vary significantly based on model and configuration. The manual will likely provide Gross Vehicle Weight (GVW) and Gross Axle Weight Ratings (GAWR) for safe operation and transport.
Engine Oil Change Interval:
Typically around 250-500 operating hours, depending on operating conditions and oil type. Consult manual for specific intervals and oil specifications.
Transmission Oil Change Interval:
Varies by transmission type (manual, power shift) and fluid type used. Typically, transmission fluid changes are recommended every 1000-2000 operating hours. Consult manual for specific model and fluid requirements.
Air Filter Replacement Interval:
Regular checks and replacement intervals for air filters are crucial for engine longevity, typically recommended every 250-500 operating hours or more frequently in dusty conditions. Consult manual.
Engine Oil Type:
API CD or higher rated diesel engine oil, viscosity grade SAE 15W-40 or 20W-50 is common, depending on ambient temperature. Consult manual for exact specifications.
Hydraulic Fluid Type:
Likely a John Deere-type (JDM J20C) or ISO VG 46 universal tractor transmission oil (UTTO) or hydraulic fluid. Check manual for specific Case IH or David Brown approved fluids.
Transmission Fluid Viscosity:
Viscosity grades such as SAE 80W-90 or SAE 90 gear oil for manual transmissions and UTTO for hydrostatic/powershift systems. Specific recommendations are in the manual.
Gearbox Oil Type:
Specific gear oils for the main transmission, reduction gears, and final drives, with viscosity grades and API service classifications detailed in the manual. UTTO may be used in some variants.
Brake Fluid Type:
Typically DOT 3 or DOT 4 brake fluid for hydraulic brake systems. The manual will specify the correct type and any bleeding procedures required.
Common Wear Items:
Common wear items include clutch components, brake linings, hydraulic pump and seals, PTO components, and engine valve adjustments. Electrical system maintenance, particularly wiring harnesses and grounds, is also important for longevity.
Filter Part Number Example:
Specific filter part numbers (oil, fuel, air, hydraulic) would be detailed within the manual, often cross-referenced to original David Brown or Case part numbers, and potentially aftermarket equivalents.
Brand Origin:
David Brown Tractors was a British manufacturer, known for its robust and reliable agricultural machinery. The brand was later acquired by Tenneco and became part of the Case Corporation, eventually merging into CNH Global.
Manufacturer Legacy:
David Brown tractors are recognized for their robust construction, powerful engines (often Perkins or their own designs), and reliable transmissions, making them durable workhorses.
Series Development:
These models represent a significant portion of David Brown's tractor production during the late 1960s through the 1970s. They evolved from earlier designs, incorporating advancements in engine power, transmission options, and hydraulic systems to meet the demands of modern agriculture.
Key Technological Advancements:
These models saw advancements such as improved braking systems, enhanced PTO capabilities, more powerful and efficient diesel engines (including turbocharging), and more sophisticated hydraulic lift systems.
Manufacturing Period:
These models were primarily produced during the 1970s and early 1980s, representing a significant era for David Brown's agricultural tractor development before the integration into the Case IH brand.
