The David Brown 1490 tractor, a product of British engineering, represents a robust and reliable machine designed for agricultural applications. Likely produced in the late 1970s to early 1980s at the Meltham, Yorkshire, England facility, this model is powered by a 4-cylinder diesel engine with a displacement of approximately 3481 cc, delivering an estimated 60-70 HP. Its engineering emphasizes durability and operational efficiency, featuring a David Brown 'Selectamatic' or constant mesh gearbox with multiple forward gears, an independent Power Take-Off (PTO) system, and a dual-stage clutch for live PTO operation. The tractor's design also incorporates essential systems such as liquid cooling, direct fuel injection, and hydraulic disc brakes, making it a capable workhorse for various farming tasks. This comprehensive Factory Service Repair Manual provides detailed information for the maintenance, repair, and troubleshooting of the David Brown 1490 tractor. It covers all major systems, including the engine, drivetrain, hydraulics, and electrical components, offering step-by-step procedures for disassembly, assembly, and overhaul. The manual includes essential maintenance schedules, fluid specifications, and diagnostic guides to assist owners, mechanics, and agricultural technicians. With its in-depth coverage and technical specifications, this manual serves as an indispensable resource for ensuring the longevity, performance, and cost-effective operation of the David Brown 1490 tractor.