The Fiat 680 DT Tractor, a robust agricultural machine, represents a significant part of Fiat's legacy in agricultural machinery. Produced likely between the 1970s and 1980s, this model is engineered for demanding farm work, offering reliability and performance. Its design incorporates features such as a dual-traction (4-wheel drive) system, a powerful diesel engine, and a versatile transmission, all contributing to its effectiveness in various agricultural applications. The inherent quality and durability of Fiat tractors are evident in the 680 DT's construction, making it a dependable asset for any farming operation. This comprehensive workshop service manual provides essential technical information for the repair, maintenance, and troubleshooting of the Fiat 680 DT Tractor. Covering a wide array of systems including the engine, transmission, drivetrain, hydraulics, electrical components, brakes, steering, and chassis, this 192-page guide is an invaluable resource. It offers detailed step-by-step procedures, clear illustrations, and critical service data, including specifications and tightening torques. The manual is designed to assist both professional mechanics and DIY individuals in ensuring the optimal performance and longevity of their Fiat 680 DT Tractor.