This manual covers the David Brown 1690 Tractor, a robust machine known for its reliability and performance in agricultural applications. As part of the esteemed David Brown tractor lineage, the 1690 represents significant advancements in tractor technology for its era, building on a legacy of durable and powerful agricultural machinery. Its engineering quality ensures dependable operation, making it a valuable asset for any farming operation. This comprehensive workshop service and repair manual provides detailed information essential for maintaining and repairing the David Brown 1690 Tractor. It includes step-by-step instructions for engine overhaul, transmission repair, and maintenance of various systems such as hydraulics, electrical, braking, cooling, fuel, steering, exhaust, front and rear axles, PTO system, and the operator station. With troubleshooting guidance, diagnostic information, periodic maintenance charts, and fluid specifications, this manual is an indispensable resource for professional technicians and tractor owners alike.