This manual provides comprehensive service and repair information for the 1066 Tractor, manufactured approximately between 1971 and 1976. Known for its robust engineering and reliable performance, the 1066 is powered by a D-358 or DT-358 diesel engine, offering substantial horsepower for demanding agricultural and industrial tasks. Its design features a 10-speed synchronized transmission, hydraulic power steering, and a capable hydraulic system for implement control, making it a versatile and enduring piece of machinery. This service repair manual is an essential resource for professional technicians and dedicated owners alike. It details routine maintenance, troubleshooting procedures, and in-depth repair instructions for all major systems, including the engine, fuel system, transmission, PTO, hydraulics, steering, brakes, and electrical systems. The manual offers factory-level technical detail, enabling efficient diagnosis and repair, thereby ensuring the longevity and optimal performance of your 1066 Tractor.