This manual covers the David Brown 1390, 1394, and 1490 models. These vehicles represent robust engineering designed for demanding tasks, emphasizing reliability and operational efficiency. Their construction reflects a commitment to durability and performance, making them valuable assets for their intended applications. This comprehensive workshop service repair manual provides detailed instructions for maintenance, repair, and troubleshooting. It covers a wide range of systems including the engine, cooling system, fuel system, powertrain, clutch, brakes, electrical system, and hydraulic system, among others. The manual is structured to assist both experienced technicians and owners in keeping their David Brown vehicles in optimal working condition through step-by-step procedures, clear illustrations, and critical notes.