The David Brown 1390 is a robust and reliable tractor, a testament to British engineering from the late 1970s and early 1980s. Designed for demanding agricultural and industrial tasks, this model embodies the durability and straightforward functionality for which David Brown tractors are renowned. Its likely four-cylinder diesel engine, offering approximately 70-80 horsepower, provides ample power for a wide range of applications. The tractor features a signature David Brown transmission, often a multi-speed gearbox with high/low range, complemented by a mechanical clutch and a standard differential lock, ensuring excellent traction and control in various working conditions. This comprehensive Service Repair Manual provides essential technical information for the David Brown 1390. It covers all aspects of service, repair, and maintenance, catering to both professional technicians and experienced DIY mechanics. Within its pages, you will find detailed procedures for engine overhaul, transmission and hydraulic system repair, electrical system diagnostics, and maintenance of all major components including the PTO, cooling, fuel, and braking systems. The manual also includes crucial specifications, troubleshooting guides, and helpful illustrations, designed to empower users with the knowledge to maintain their tractor's optimal performance and longevity.