The Fiat Trattori 480 and 480DT tractors represent a lineage of robust and reliable agricultural machinery, produced from the late 1970s through the 1980s. These tractors, powered by diesel engines typically ranging from 45-55 horsepower, were designed as dependable workhorses for a variety of farming tasks. Known for their engineering quality and value proposition, the 480 series offered a straightforward yet effective operational platform, with the 'DT' designation indicating the availability of a Dual Traction (4WD) option. Their enduring popularity is a testament to the brand's heritage in producing durable and functional farm equipment. This comprehensive workshop service repair manual provides essential information for the maintenance and repair of Fiat Trattori 480 and 480DT tractor models. It covers all systems and components, offering step-by-step repair procedures, detailed maintenance schedules, and integrated troubleshooting guidance. The manual includes technical specifications, electrical system diagnostics, and wiring schematics, presented with detailed illustrations and diagrams to assist both do-it-yourself users and experienced mechanics. Its purpose is to ensure these tractors remain in optimal working condition, offering factory-level detail in an accessible format.