Tractor is a self-propelled power machine used to pull and drive work machines to perform various mobile operations. It can also be used for fixed work power. It consists of a system or device such as engine, transmission, walking, steering, hydraulic suspension, power output, electrical instrumentation, driving maneuvering and traction. The engine power is transmitted from the transmission system to the drive wheels, which makes the tractor travel. In real life, it is common to use rubber belt as the power transmission medium. Tractor for agriculture, industry and special purposes according to function and purpose; wheel type, track type, boat tractor and self-propelled chassis according to structure type.