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History Of Bulldozer Development
Jun 29, 2018

The crawler bulldozer was developed by the American Benjamin Holt in 1904. It was formed in front of a crawler tractor to install a manpower lifting device. The driving force was a steam engine, and then a crawler type bulldozer driven by a natural gas drive and a gasoline engine was developed successively, and the earth shovel was also made by people. The lifting of the force is developed to the hoisting of the wire rope.

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