🏷️ Basic Information Identification Make: David Brown Model: 996 Tractor Product Type: Parts Manual 👋 Introduction Market Position Market Segment: Utility Tractor, suitable for general farming, cultivation, and material handling tasks. Competitive Analysis Competitors: Competed with other manufacturers of similar horsepower utility tractors from the late 1960s through the 1970s, such as Massey Ferguson, Ford, John Deere, International Harvester, and Leyland. Key Features Key Features: Known for its robust construction, reliable diesel engine, and versatile hydraulic system. Often praised for its straightforward design and ease of maintenance, making it a popular choice for farmers. Value Proposition Value Proposition: Provides essential part information for maintaining and repairing the David Brown 996 Tractor, crucial for owners seeking to extend the lifespan and operational efficiency of their vintage machinery. 📋 Manual Details Coverage Areas Coverage: Comprehensive parts listing for the David Brown 996 Tractor, including all major assemblies and components. Page Count Page Count: Estimated 300-500 pages (typical for a tractor parts manual of this era, specific number not provided). Manual Type Manual Type: Parts Catalog / Parts Manual Language Language: English Format Format: Digital Download (likely PDF) 📖 Manual Coverage Systems Covered Engine: Detailed breakdown of engine components, including cylinder head, block, crankshaft, pistons, connecting rods, camshaft, timing gears, fuel injection system (pump, injectors), cooling system components, lubrication system components (oil pump, filter housing). Transmission: Complete parts listing for the gearbox, clutch assembly, PTO (Power Take-Off) drive, differential, final drives, and associated linkage. Hydraulics: Parts for the hydraulic lift system, including the hydraulic pump, control valve, lift arms, draft links, stabilizers, hydraulic cylinder, and associated piping and fittings. Front Axle And Steering: Components for the front axle, steering mechanism (steering box, tie rods, drag links), kingpins, and wheel hubs. Rear Axle And Brakes: Parts for the rear axle housing, brake system (brake drums, brake shoes, brake linkages, brake master cylinder), and wheel studs. Electrical System: Components related to the electrical system, including starter motor, generator/alternator, battery mounting, lighting (headlights, taillights, indicators), instrument panel components, and wiring harnesses (though wiring diagrams may be in a separate manual). Operator Station: Parts for the dashboard, instrument cluster, steering wheel, seat, fenders, control levers, pedals, and platform components. Bodywork And Chassis: Components for the chassis frame, engine mounting, fuel tank, oil bath air cleaner assembly, exhaust system, and fenders. Procedures Included Part Identification: Identification of all replaceable parts with corresponding part numbers and descriptive names. Assembly Disassembly Order: Implicit guidance on assembly and disassembly order through the logical grouping of parts within sections. Component Breakdowns: Detailed exploded views of each major system, illustrating how parts fit together. Technical Depth Depth: High. Provides detailed part numbers and illustrations necessary for accurate parts ordering and replacement. Essential for mechanics and owners performing repairs or sourcing spare parts. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: Likely scanned from original print; quality may vary but is typically sufficient for legibility and identification of parts and numbers. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Searchability: Likely text-searchable if generated from a good quality scan or original digital source, allowing quick access to specific part numbers or descriptions. ⚙️ Engine Specifications Primary Engine Engine Make: David Brown Engine Model: AD4/45 (4-cylinder diesel) Engine Displacement: Approx. 259.5 cubic inches (4.25 liters) Bore X Stroke: Approx. 3.94 x 4.33 inches (100 x 110 mm) Performance Rated Engine Hp: Approximately 72 HP (gross at flywheel, actual PTO HP lower) Fuel System Fuel Injection System: Indirect injection, typically Lucas or CAV inline fuel injection pump. Cooling System Cooling Type: Water-cooled, pressurized system with thermostat and radiator. Lubrication System Oil Capacity: Approx. 16 pints (7.5 liters) - check manual for exact specification and oil type. 🔧 Transmission Standard Transmission Type: David Brown constant mesh gearbox with mechanical shuttle or synchromesh options depending on specific build. Optional Gear Configuration: Typically 12 forward and 4 reverse gears (with splitter) or 8 forward and 2 reverse gears. Features Pto: 540/1000 RPM PTO standard, with independent PTO engagement. Clutch: Dual-stage clutch: one for transmission drive, one for PTO engagement. Fluid Requirements Transmission Oil Type: EP 90 Gear Oil or equivalent for gearbox and rear axle (specifics to be verified in manual). 📐 Dimensions Exterior Wheelbase: Approx. 86 inches (2184 mm) Overall Length: Approx. 140 inches (3556 mm) Overall Width: Approx. 70 inches (1778 mm) Weights Operating Weight: Approx. 5,800 lbs (2630 kg) without ballast. Drawbar Pull: Capability to pull implements suitable for its horsepower class, depending on ballast and traction. 🛡️ Safety Features Ratings Safety Features Era: Tractors of this era predated stringent modern ROPS (Roll-Over Protective Structure) and seatbelt regulations. Owners should ensure ROPS are fitted and maintained. Active Features Braking System: Internal expanding shoe brakes, acting on final drive pinions. Mechanical parking brake....