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Monday, January 18, 2010

Tractors And Their Use In Recent History

By Zach Thomas

A specifically designed vehicle called a "tractor" delivers high torque (tractive effort) even at slow speed. The machinery is used in construction or agriculture or for hauling a trailer. Generally, this term describes a distinctive farm vehicle although horticultural use is common too. A tractor may be used for towing agricultural implements or for providing power to an implement if it is mechanized.

Trahere means "to pull" which comes from the Latin language, and tractor is its agent noun. The tractor unit was used for the first time as "a vehicle or an engine used for pulling ploughs or wagons" and this was recorded to occur in 1901. Before this, the common term used in 1859 was "traction engine".

The tractor can be used to tow or mount agricultural implements and additionally it may also be a source of power for a mechanized implement - perhaps a plough for example.

Portable engines in the early 19th century were the first farm implements that were powered. Steam engines were placed onto wheels that could then be used for driving mechanical farm machines using flexible belts. About 1850, these engines became the basis of first traction engine that were quite widely adopted for agricultural use.

Ploughing engines powered by steam were the first tractors that were used. These were utilized in pairs on each side of the field for hauling a back-and-forth plough using wire cabling. In places where the soil conditions were favorable - often in the US, the use of a steam tractor was made for direct haul-ploughing. But ploughing engines were used in the United Kingdom and other places for cable-haul ploughing.

Before the much more reliable internal combustion engine was invented and popularly introduced in mid-1850's, agricultural engines powered by steam were used well into the 20th century. The internal combustion engine was indeed around pre- 19th century but it was not until the commercialization of drilling for petroleum did it gain popularity. - 21392

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