This comprehensive workshop service and repair manual provides detailed instructions and technical information to help you repair and maintain your FIAT 480, 500, 540, 580, 640, and 680 DT tractors. The manual covers a wide range of topics, including: * **Engine:** Removal and installation, crankcase and cylinder head maintenance, valve and timing mechanism adjustment, crank gear assembly, fuel system components, fuel tank and pump repair, injection system troubleshooting, lubrication system servicing, cooling system maintenance, and torque specifications. * **Powertrain:** Transmission, bevel gear system, differential, brake system, final drive, rear wheel, front axle and steering, clutch system, hydraulic lift unit, PTO-belt pulley, and electrical system components. * **Electrical System:** Charging system, battery system, starting motor, accessory equipment, light-switch-fuse, troubleshooting, and wiring diagrams. Whether you are a professional mechanic or a DIY enthusiast, this manual is an invaluable resource for keeping your FIAT tractor running smoothly.

The Fiat 480, 500, 540, 580, 640, and 680 DT tractors were a series of robust agricultural machines manufactured by Fiat in the 1970s and 80s. These tractors were designed for a wide range of applications, from general farm work to more demanding tasks like plowing, harvesting, and hauling. The Fiat DT series featured a range of diesel engines, all known for their reliability and efficiency. The smaller models, like the 480 and 500, were typically equipped with 3-cylinder engines, while the larger models, like the 640 and 680, used 4-cylinder diesel powerplants. These tractors were renowned for their rugged construction, featuring durable steel frames and robust components, ensuring long-lasting performance in demanding agricultural environments. Their straightforward design and easy-to-maintain features made them popular choices for farmers and contractors alike. This comprehensive workshop service and repair manual provides an in-depth guide to the Fiat 480, 500, 540, 580, 640, and 680 DT tractor series. It covers a wide range of topics, from basic maintenance and troubleshooting to complex engine repairs and component overhauls. The manual's detailed illustrations, clear instructions, and comprehensive troubleshooting sections make it an invaluable resource for both professional mechanics and DIY enthusiasts. The manual covers every aspect of the tractor, including the engine, transmission, hydraulic system, electrical system, and even the brakes. It also includes essential information on torque specifications, service tools, and wiring diagrams. Whether you're a seasoned mechanic or simply looking to save money by performing maintenance yourself, this manual will equip you with the knowledge to keep your Fiat DT tractor in top condition.