🏷️ Basic Information Identification Make: David Brown Model: 1390, 1394, 1490 Codes Manual Type: Factory Service Repair Manual 👋 Introduction Market Position Target Audience: Do-it-yourselfers (DIY) and experienced mechanics. Key Features Convenience: Digital format offers superior convenience and cost-effectiveness compared to old paper manuals. Cost Savings: Inexpensive way to keep the vehicle working properly and save money by performing repairs oneself. Completeness: COMPLETE official full factory service repair manual, no extra fees, no expiry dates. Accessibility: Accessible on any computer or mobile device via web browser. 📋 Manual Details Coverage Areas Covered Models: David Brown 1390, David Brown 1394, David Brown 1490 Page Count Estimated Pages: Hundreds (exact count not specified, but described as comprehensive) Manual Type Format: PDF Download Language Language: English 📖 Manual Coverage Systems Covered Engine: Detailed coverage including general information, specifications, engine operation, cooling system, fuel system. Drivetrain: Comprehensive coverage of power train, clutch, differential lock, main drive bevel gears and differential, rear axle, front axle, front system, front-wheel drive, and final drive. Transmission: Detailed information on the transmission system, including operation, repair, and specifications. Hydraulics: Extensive coverage of the hydraulic system, detailing its components, operation, and maintenance. Electrical: Coverage of the electrical system, likely including wiring diagrams, component testing, and troubleshooting. Brakes: Detailed information on the braking system, including operation, maintenance, and repair procedures, as well as park brake. Steering: Includes coverage of power steering system and general steering gear. Chassis Body: Includes sections on fenders, fuel tank & platform, indicating bodywork and ancillary components. Procedures Included Repair Procedures: Step-by-step instructions for complete disassembly and reassembly of machine components, guiding through service and repair procedures. Maintenance: Covers required standard maintenance, ensuring the vehicle works properly. Troubleshooting: Implied by the comprehensive nature and step-by-step instructions for repair and service, allowing for diagnosis of issues. Technical Depth Depth: Complete official full factory service repair manual, covering all styles and providing a high level of detail, including hundreds of photos and illustrations. 📊 Manual Specifications File Format Type: PDF Compatibility: All versions of Windows and Mac, smartphones, tablets. Accessible via web browser. Print Quality Printability: Yes, all pages are printable. Binding Type Binding: Digital (PDF) - No physical binding Paper Type Paper: Not applicable (digital format) Software Requirements Reader: Adobe PDF Reader Utility: Winzip (for potential file compression) ⚙️ Engine Specifications Primary Engine Engine Family: David Brown's own diesel engine designs (specific engine codes or displacements not provided in product info, but typically inline 4 or 6 cylinder for this era). Performance Horsepower: Not specified in product information. Varies by specific model (1390, 1394, 1490) and engine configuration. Torque: Not specified in product information. Varies by specific model (1390, 1394, 1490) and engine configuration. Fuel System Fuel Type: Diesel Injection System: Likely rotary or inline injection pump (details covered in manual). Cooling System Cooling Method: Water-cooled (details covered in manual). 🔧 Transmission Standard Transmission Type: Likely a synchronized gearbox with multiple forward and reverse gears. Options may include a dual-clutch or powershift transmission on some models/years (details in manual). Optional Powershift: Potential availability of powershift or torque amplifier features (details in manual). Features Gear Selection: Details on gear selection, lever operations, and clutch engagement are covered. 📐 Dimensions Weights Operating Weight: Not specified in product information. Typically in the range of 4,000-6,000 kg depending on configuration. Gross Vehicle Weight: Not specified in product information. Exterior Wheelbase: Not specified in product information. Length: Not specified in product information. Width: Not specified in product information. Height: Not specified in product information. 🛡️ Safety Features Ratings Rollover Protection: Likely available with ROPS (Roll-Over Protective Structure) or enclosed cab, details on installation and safety standards are usually in the manual. Active Features Braking System: Service brakes (likely hydraulic) and parking brake. Manual covers operation and maintenance. Passive Features Operator Station: Features related to operator safety in the cab or on the platform, as described in the manual. 💡 Technology Features Infotainment Features: Not applicable to this era of heavy agricultural machinery. Focus is on mechanical and hydraulic systems. Driver Assistance Features: Limited to the mechanical and hydraulic systems for power steering and PTO operation. No electronic driver aids. Connectivity Features: Not applicable. 🔧 Maintenance Service Intervals Engine Oil Change: Typically 250-500 hours, but specific intervals for engine oil, filters, and coolant are detailed in the manual. Transmission Fluid Change: Intervals for transmission and hydraulic fluid changes and filter replacement are covered in the manual. Fluid Specifications Engine Oil: Specify API CD or CE rated diesel engine oils, viscosity grades like 15W-40 or 10W-30 depending on climate. Exact specification in manual. Hydraulic Fluid: Likely a universal tractor transmission fluid (UTTO) or hydraulic oil meeting specific ISO viscosity grades. Details in manual. Coolant: Ethylene glycol-based antifreeze with corrosion inhibitors. Specific mixture ratios and types detailed in manual. Known Issues Common Wear Items: Potential wear...