This comprehensive workshop manual provides detailed instructions and illustrations for servicing and repairing a range of FIAT tractors, specifically the 480, 500, 540, 580, 640, and 680 DT models. The manual covers a wide range of systems and components, ensuring you have the information you need to tackle any repair or maintenance task.

The manual includes detailed sections on engine disassembly and reassembly, covering components like the crankcase, cylinder head, valves, timing mechanism, and crank gear assembly. It also delves into the fuel system, including the fuel tank, pump, and injection system. Other essential systems covered include the lubrication, cooling, and powertrain systems. The powertrain section encompasses the transmission, bevel gear system, differential, brake system, final drive, rear wheel, front axle, steering, and clutch system.

The manual further provides in-depth information on the hydraulic lift unit, PTO-belt pulley, and electrical system. The electrical system section covers the charging system, battery system, starting motor, accessory equipment, light-switch-fuse, and troubleshooting. Finally, the manual concludes with a comprehensive wiring diagram.

This manual is an invaluable resource for both DIY enthusiasts and professional mechanics. Its detailed instructions, illustrations, and thorough coverage of all major systems make it an essential tool for keeping your FIAT tractor in top condition.