Throughout 1945, engineers performed exhaustive tests on this new product at the company's proving grounds in Illinois and Arizona, and operators tested the attachments at various locations throughout the United States. The first Caterpillar tractor with the new dozer blade left Peoria, Illinois, in 1945. Dozer blades originally came in straight, angling, and "U" shapes, both cable- and hydraulically- controlled. In early 1945, Caterpillar began developing its own line of dozer blades that met Caterpillar specifications and quality standards. A Legend Is Bornīefore 1945, suppliers designed and sold earthmoving attachments designed specifically for Caterpillar tractors. They continued to make dozers in small quantities until they were discontinued after their merger with the C.L. In 1914 the Holt Manufacturing Company, one of Caterpillar’s predecessor companies, introduced a dozer blade in front of the machine that was controlled by a rope windlass fastened to the tractor’s main frame. Their main purpose was to spread loose dirt out over a fill as it accumulated. They were made of wood and affixed to the front end of a pole that was pulled by horses or oxen. But even as late as the 1800s, dozer blades were crude by any standards. The origin of the dozer blade is buried in the past as deeply as the origin of the wheel. Hear the story of the dozer – from blade to machine – and find out why it’s a fan favorite. Today, the term also refers to the rugged machines built for tough jobs pushing dirt. Yep, the dozer part. The term “dozer” originally referred to a steel plate and an operating mechanism attached to the front of track-type tractors. Some say it may be the ultimate part provided by Caterpillar to its customers. This year we celebrate the 75th anniversary of the Cat® dozer blade.
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