The David Brown 1390 is a robust diesel tractor, primarily produced in the early to mid-1980s. As part of the esteemed 1300 series from a renowned British manufacturer known for reliable agricultural machinery, the 1390 embodies a legacy of sturdy engineering. Designed for demanding farm work, it typically offers around 70-80 PTO horsepower, delivering the torque essential for agricultural tasks. Its mechanical simplicity and durable construction have made it a valued asset for operators. This Workshop Service Repair Manual provides comprehensive English-language documentation for the David Brown 1390. It covers all essential aspects of maintenance and repair, including detailed procedures for engine mechanical and electrical systems, fuel, suspension, clutch, transaxle, driveshaft, steering, and brake systems. The manual also includes information on body and electrical components, routine maintenance, troubleshooting, diagnostics, and overhaul instructions, supported by detailed illustrations, diagrams, and wiring schematics. This resource is designed to assist owners and technicians in ensuring the optimal performance and longevity of their David Brown 1390 tractor. 🏷️ Basic Information Identification Make: David Brown Model: 1390 Product Type: Workshop Service Repair Manual 👋 Introduction Market Position Target Audience: Owners, operators, and service technicians of David Brown 1390 tractors, from DIY enthusiasts to professional mechanics. Competitive Analysis Value Proposition: Inexpensive and essential resource for maintaining optimal performance and longevity of the David Brown 1390 tractor. Key Features Manual Advantage: Provides detailed, step-by-step instructions and diagrams, crucial for accurate repairs and diagnostics. Information Source: Considered the primary source for repair and service information, often referred to as a 'factory service manual'. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair information for the David Brown 1390 tractor. Page Count Estimated Page Count: Extensive (specific number not provided, but described as 'complete' and 'covers every detail') Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating Systems: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed coverage of engine components, disassembly, assembly, and overhaul. Engine Electrical: Wiring schematics, troubleshooting, and repair of the engine's electrical systems. Emission Control: Information on emission control systems and their maintenance. Fuel System: Comprehensive coverage of the fuel system, including pumps, injectors, and filters. Suspension System: Details on the tractor's suspension components and maintenance procedures. Clutch System: In-depth information on clutch operation, adjustment, and repair. Manual Transaxle: Complete service and repair procedures for the manual transaxle system. Automatic Transaxle: While unlikely for this era of tractor, if equipped, coverage for automatic transaxle systems. Driveshaft Axle: Service and repair for the driveshaft and axle assemblies. Steering System: Detailed instructions for steering system maintenance and repair. Brake System: Thorough coverage of brake system components, operation, and repair. Body Interior Exterior: Information on body panels, trim, and interior components. Body Electrical: Wiring diagrams and repair for the tractor's body electrical systems (lights, etc.). Restraint System: Information on operator restraint systems (e.g., seat belts, if applicable). Procedures Included Maintenance: Routine maintenance procedures, lubrication, and fluid changes. Troubleshooting: Diagnostic procedures and common problem solutions. Repair Overhaul: Step-by-step instructions for component removal, disassembly, repair, and reassembly. Diagnostics: Detailed diagnostic trees and fault finding for various systems. Technical Depth Depth Of Coverage: Comprehensive, suitable for both novice and experienced mechanics, covering from basic adjustments to complete rebuilds. Illustrations: Detailed illustrations, diagrams, and photos to guide repair procedures. Wiring Schematics: Included for electrical system diagnostics and repair. Specifications: Detailed technical specifications, torque values, clearances, and tolerances. 📊 Manual Specifications File Format File Format Details: PDF, optimized for digital viewing and printing. Print Quality Print Capability: Fully printable pages. Print Recommendation: Print specific pages as needed for workshop use. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Features Searchability: Likely searchable text within the PDF, enhancing efficiency. Navigation: Numbered table of contents for quick information retrieval. Zoom Functionality: Zoom IN/OUT capability for detailed examination of diagrams and illustrations. ⚙️ Engine Specifications Primary Engine Engine Type: Diesel Engine Family: Typically Perkins or David Brown manufactured engines for this series. Performance Horsepower Range: Approximately 70-80 PTO horsepower (exact figures vary by specific engine variant). Torque Characteristics: Designed for robust torque delivery crucial for agricultural applications. Fuel System Injection System: Typically direct injection, often with rotary or inline fuel injection pumps. Fuel Type: Diesel fuel Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Transmission Type: Manual Transmission (likely with multi-speed options like 8-speed, 12-speed, or synchromesh variants). Optional Optional Transmission: Possibly a creeper gear or specialized transmission options depending on market and configuration. Features Gear Selection: Likely a combination of main gear lever and range selector for multiple forward and reverse gears. Power Takeoff Pto: Standard PTO operation and maintenance covered. 📐 Dimensions Exterior Wheelbase: Specific dimensions available in manual; typical for a tractor...