The David Brown 1390 Workshop Repair Service Manual provides comprehensive service, maintenance, and troubleshooting information for your tractor. This manual covers all models, engines, trim levels, and transmission types. It is a complete and intact manual, free from any missing or corrupt pages, providing the same information used by professional service and repair shops. This detailed resource contains hundreds of pages of diagrams and thorough instructions, ensuring you have the most accurate and complete information available for repairs. The manual covers a wide range of topics, including: * **Engine:** Detailed information on the David Brown 1390 engine, covering everything from disassembly and servicing to troubleshooting and maintenance. * **Lubrication System:** Guidance on lubrication system procedures, including proper fluid levels, filter replacement, and system maintenance. * **Cooling System:** Comprehensive instructions for maintaining the cooling system, including radiator and fan operation, coolant replacement, and troubleshooting cooling issues. * **Fuel System:** In-depth coverage of the fuel system, including fuel lines, filters, injectors, and troubleshooting fuel delivery problems. * **Disassembly and Servicing:** Step-by-step procedures for disassembling and servicing various components of your tractor, ensuring proper reassembly and optimal performance. * **General:** Information on general tractor maintenance, including regular inspections, lubrication schedules, and common maintenance tasks. * **Separation, Clutch, Transmission:** Thorough explanations of the separation, clutch, and transmission systems, covering operation, adjustment, and repair. * **Drive Chain & Sprockets:** Precise instructions for inspecting, adjusting, and replacing the drive chain and sprockets. * **Rear Axle:** Detailed information on the rear axle assembly, including differential maintenance, axle shaft removal, and troubleshooting rear axle issues. * **Brakes:** Comprehensive coverage of the braking system, including brake adjustments, troubleshooting, and replacement procedures. * **Front Axle:** Information on the front axle, including steering components, suspension, and maintenance guidelines. * **Steering:** Detailed instructions on steering system components, adjustment, and troubleshooting steering problems. * **Shocks:** Guidance on shock absorber maintenance, replacement, and adjustment. * **Body Work:** Information on bodywork panels, doors, and other external components, including repair and maintenance procedures. * **Intake & Exhaust:** Details on the intake and exhaust systems, including troubleshooting and maintenance tips. * **Hydraulic System:** Comprehensive coverage of the hydraulic system, including hydraulic pump operation, cylinder maintenance, and troubleshooting hydraulic issues. * **Electrical System:** Detailed wiring diagrams and troubleshooting information for all electrical components, including starter, alternator, lights, and instrumentation. * **Routine Maintenance:** Schedules and procedures for routine maintenance tasks, ensuring your tractor operates at peak performance. * **Advanced Troubleshooting:** Guidance on advanced troubleshooting techniques, helping you diagnose and resolve complex issues. This manual provides the essential information you need to perform repairs and maintenance on your David Brown 1390 confidently.

The David Brown 1390 is a versatile and robust tractor that was manufactured by David Brown Tractors in the United Kingdom from 1972 to 1979. This model, known for its dependability and power, was a popular choice for a wide range of agricultural tasks, from plowing and cultivating to hauling and loader operations. The 1390 was powered by a 4.4-liter Perkins 6.354 diesel engine, capable of producing around 90 horsepower. This engine was renowned for its durability and fuel efficiency, making it a reliable workhorse on the farm. The tractor featured a 12-speed gearbox, allowing operators to select the ideal gear for varying workloads and terrain. The 1390 also boasted a robust hydraulic system, capable of handling demanding tasks like operating implements and front-end loaders. The David Brown 1390's design prioritized both functionality and comfort for the operator. Featuring a spacious and well-thought-out cab, it offered excellent visibility and control over all aspects of the tractor. The 1390 was available in a variety of configurations, allowing owners to tailor it to their specific needs. Some common options included a front-end loader, rear-mounted implements, and specialized tires for different applications. The 1390 continued the legacy of David Brown Tractors, known for their high-quality engineering and robust construction. The 1390's reputation for reliability and versatility ensured its continued popularity among agricultural professionals for many years. Although production ceased in 1979, the 1390 remains a prized model among enthusiasts and farmers, often sought after for its durability and ability to handle demanding tasks.