The tractor is a kind of special work mechanism that are powered by an engine. The function of a tractor is to perform various types of operations or work fields through the use of various types of implements installed on. It was originally designed in early as 1892 by John Froelich and by the 1920 engine tractor petrol / gasoline had begun to replace the horsepower as a power source for farming work. The term tractor comes from a combination of 'traction and motor' names. From the combination of the term, the tractor can be declared a machine used to pull a heavy load.
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There are several types of tractors commonly used in agricultural fields namely four-wheel tractors, two-wheel tractors and one wheel tractors
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