The David Brown 1690 Tractor represents a robust and reliable piece of agricultural machinery, a testament to the British manufacturer's long-standing heritage in producing durable farm equipment. Produced likely in the late 1970s and early 1980s, this model is part of the esteemed 1600 series, known for its solid construction and dependable performance. Designed for demanding agricultural tasks, the 1690 is characterized by its powerful diesel engine and a functional operator station, embodying the practical engineering that defined David Brown tractors. Its enduring reputation is built on longevity and a capacity to withstand rigorous use. This comprehensive workshop manual provides essential information for the maintenance, repair, and overhaul of your David Brown 1690 Tractor. Covering a wide array of systems including the engine, drivetrain, hydraulics, electrical components, and chassis, this guide offers detailed step-by-step instructions, diagnostic procedures, and troubleshooting advice. It is meticulously compiled to assist professional technicians, farm mechanics, and dedicated DIY enthusiasts in keeping their tractor in optimal working condition, thereby ensuring cost savings on labor and maximizing operational efficiency.