🏷️ Basic Information Identification Make: David Brown Model: 30C / 30D Chopmaster Tractor Type: Tractor Codes Product Identifier: David Brown 30C 30D Chopmaster Tractor Service Parts Catalogue Manual # 1 Download PDF 👋 Introduction Market Position Target User: Owners, mechanics, restoration specialists, and parts suppliers for David Brown 30C and 30D tractors. Competitive Analysis Value Proposition: Provides essential part identification for maintenance, repair, and restoration, reducing guesswork and ensuring correct part procurement. Key Features Feature 1: Comprehensive exploded diagrams for all major tractor assemblies. Feature 2: Accurate part numbers for every component, facilitating ordering. Feature 3: Covers multiple variants (Standard, Diesel, Vigneron, Super, Prairie) of the 30C/30D models. Feature 4: Instant PDF download for immediate access and convenience. Feature 5: Printable format allowing users to print only necessary pages. 📋 Manual Details Coverage Areas Models Covered: David Brown 30C, 30D Standard, Diesel, Vigneron, Super, Prairie Tractors Page Count Estimated Page Count: Likely extensive (given the 'wealth of information' and exploded diagrams for a full tractor). Exact count not provided, but typically service parts catalogs for this era are 200+ pages. Manual Type Type: Service Parts Catalogue Manual Language Language: English (implied by product description and typical manuals of this era/origin) Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine: Likely covers all engine components, including cylinder head, block, pistons, crankshaft, camshaft, fuel injection system, lubrication system, cooling system. Transmission: Covers gearbox components, clutch, power take-off (PTO) mechanism, final drives, differential. Chassis And Frame: Details of the main chassis, front axle, rear axle, steering system, suspension components. Hydraulic System: Parts and assemblies for the hydraulic lift, remote control valves, hydraulic pump, and associated plumbing. Electrical System: Components like starter motor, generator/alternator, battery, lighting, wiring harnesses, and associated electrical parts. Fuel System: Includes fuel tank, lines, filters, and components of the injection pump and injectors. Cooling System: Radiator, fan, water pump, thermostat, and related hoses and components. Braking System: Parts for the braking mechanisms, including brake shoes, drums, linkages, and control levers. Operator Controls: Components related to steering, throttle, clutch, brake levers, gear selectors, and PTO engagement. Bodywork And Fittings: Includes fenders, seat assembly, instrument panel, hitch components, drawbar, and other external fittings. Procedures Included Part Identification: Detailed exploded diagrams with corresponding part numbers for easy identification and ordering. Assembly Disassembly: While not a full repair manual, it provides the order of assembly/disassembly through its exploded views, crucial for parts replacement. Troubleshooting Assistance: A parts catalog aids troubleshooting by helping identify missing or incorrect parts, or parts that might be prone to failure. Maintenance Parts: Identifies specific parts for routine maintenance such as filters, seals, gaskets, and wear items. Technical Depth Detail Level: High - focused on precise part identification and relationships within assemblies, essential for mechanics and restoration. Diagnostic Scope: Supports diagnostics by clearly showing standard component configurations and part numbers. 📊 Manual Specifications File Format Format: PDF Searchability: PDF format typically allows for text searching of part numbers and descriptions if OCR processing is applied. Print Quality Quality: Downloadable PDF implies high resolution for printing clear diagrams and text. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Likely diesel engines, common for David Brown tractors of this era. Specific engine families (e.g., DB 3-cylinder) would be detailed in the manual. Engine Type Engine Model Association: The 30C and 30D designation often relates to engine horsepower or configuration. The manual would detail specific engine part numbers for each variant. Performance Displacement Typical: David Brown tractors of this size typically used 3-cylinder diesel engines in the 3-4 litre range. Specific displacement values for different engine variants would be found within. Horsepower Range: The '30' in the model name suggests an approximate horsepower rating, likely in the 30-40 HP range. Exact PTO and engine HP for each variant would be listed. Fuel System Injection System: Likely a mechanical injection system. Manual would detail components from injection pump manufacturers (e.g., CAV, Simms) and associated parts. 🔧 Transmission Standard Gearbox Type: Manual transmission with multiple forward and reverse gears. Specific gear counts (e.g., 6 forward, 2 reverse) and PTO speeds would be detailed. Optional Pto Options: Often included independent PTO, with specific gear ratios and part numbers for PTO shafts, gears, and engagement mechanisms. Features Clutch Type: Likely a single or dual-plate dry clutch. Manual would list clutch plates, pressure plates, and release bearings. Final Drive: Robust final drive assemblies with gears and bearings, critical for torque transfer to the rear wheels. Manual provides part numbers for these components. 📐 Dimensions Weights Operating Weight Typical: Tractors of this era and size typically weigh between 4,000 to 6,000 lbs (approx. 1800-2700 kg). The manual would list specific component weights if required for shipping or handling. 💡 Technology Features Infotainment Features: N/A (Basic agricultural...