The Fiat 65-66 Tractor represents a robust and reliable piece of agricultural machinery, designed for versatile utility in farming, cultivation, and hauling tasks. Produced likely in the 1970s and 1980s, this tractor is part of Fiat's esteemed lineage of agricultural equipment, known for its durability and workhorse capability. With an approximate 65 horsepower diesel engine and a sturdy manual synchromesh gearbox, the 65-66 is engineered to meet the demanding needs of agricultural operations, offering dependable performance and a long service life when properly maintained. This comprehensive workshop service manual is your essential resource for maintaining and repairing the Fiat 65-66 Tractor. It covers all critical systems, including detailed procedures for engine overhaul, transmission repair, hydraulic system service, and electrical troubleshooting. You will find in-depth information on diagnostics, torque specifications, special tools, and lubrication charts, ensuring that owners, mechanics, and technicians have the knowledge required to keep this tractor operating at peak performance and longevity. The manual provides systematic troubleshooting guides and detailed schematics to address common wear items and potential issues.