This comprehensive workshop service repair manual provides detailed instructions and illustrations for servicing and repairing FIAT 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, valves and timing mechanism, crank gear assembly, fuel system, fuel tank and pump, injection system, lubrication system, cooling system, torque specifications, service tools, powertrain system, transmission, bevel gear system, differential, brake system, final drive, rear wheel, front axle and steering, clutch system, hydraulic lift unit, PTO-belt pulley, electrical system, charging system, battery system, starting motor, accessory equipment, light-switch-fuse, troubleshooting, and wiring diagrams. This manual is an invaluable resource for both do-it-yourselfers and experienced mechanics, providing step-by-step instructions based on complete disassembly of the machine. It allows you to perform routine maintenance and larger repairs and modifications with confidence. The manual covers the following engines: 2750 cc 3-cylinder, 4-stroke diesel for 580-580 DT, 3456 cc 4-cylinder, 4-stroke diesel for 680-680 DT, 3456 cc 4-cylinder, 4-stroke diesel for model 640, 2592 cc 3-cylinder, 4-stroke diesel for model 480, and 2592 cc 3-cylinder, 4-stroke diesel for model 500.

The FIAT 500, 540, 580, 640, and 680 DT models are a range of agricultural tractors produced by FIAT, a renowned Italian manufacturer known for its robust and reliable machinery. These tractors were designed for a wide variety of agricultural tasks, offering versatility and power to meet the needs of farmers and ranchers. The models within this range varied in engine size and horsepower, with the 580 and 680 DT models boasting larger engines and higher horsepower outputs. These tractors were equipped with a range of features, including powerful diesel engines, robust transmissions, hydraulic lifting systems, and PTOs for powering implements. Their design prioritized durability and ease of maintenance, ensuring long-term reliability and cost-effectiveness for users. The FIAT 500, 540, 580, 640, and 680 DT tractors were popular choices for a variety of agricultural applications. They were ideal for tasks such as plowing, planting, harvesting, and hauling, and their powerful engines and robust construction allowed them to handle demanding workloads with ease. These tractors were known for their strong performance, fuel efficiency, and user-friendly operation. Owners often valued their reliability, longevity, and the ability to perform a wide range of tasks with minimal downtime. The FIAT 500, 540, 580, 640, and 680 DT tractor models continue to be respected for their strength, practicality, and the legacy of quality that has become synonymous with the FIAT brand.