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Holt incorporated the Holt Caterpillar Company, in early 1910, later that year trademarked the name "Caterpillar" for his continuous tracks. [ 26 ] Caterpillar Tractor Company began in 1925 from a merger of the Holt Manufacturing Company and the C. L. Best Tractor Company , an early successful manufacturer of crawler tractors.
The weight of the engine was still on the front half of the tracks along with the heavy loader components. This caused many problems with heavy wear of the front idler wheels and the undercarriage in general. The Caterpillar 983 tracked loader, the second largest tracked loader ever built, was notorious for heavy undercarriage wear.
The Caterpillar D11 can be distinguished from the Komatsu D475 by the elevated drive sprocket, or "High Drive" system, which results in a triangular, rather than oval, shaped track. The updated version of the Komatsu, the D575A , is the world's largest production bulldozer at 168 short tons (152 t) and 1,150 hp (860 kW). [ 5 ]
Its tracks used 3 by 4 inches (76 mm × 102 mm) slats made of the same redwood used previously to produce wagon wheels. Holt sold the first model of steam-powered tractor crawlers for US$5,500. [18] By 1915, the Holt company employed 1,000 workers in its Stockton plant. Nearly 2,000 Caterpillar crawlers had been sold in more than 20 countries. [11]
A large bulldozer with multi-tine ripper, the Caterpillar D9. A bulldozer or dozer (also called a crawler) is a large, motorized machine equipped with a metal blade to the front for pushing material: soil, sand, snow, rubble, or rock during construction work.
Continuous track (circa 1909) Caterpillar track (circa 2009) Heavy equipment requires specialized tires for various construction applications. While many types of equipment have continuous tracks applicable to more severe service requirements, tires are used where greater speed or mobility is required. An understanding of what equipment will be ...
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Caterpillar increased the power output of the Cat 3524B EUI 24-cylinder diesel engine used in the 797 from net 2,394 kW (3,211 hp) to net 2,513 kW (3,370 hp) enabling the 797B to achieve a 68 km/h (42 mph) top speed when transporting a 345 t (380 short tons) load, a 3.2 km/h (2 mph) increase over the first generation 797.
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