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Benjamin Holt invented the first practical Caterpillar tracks are large (modular) tracks used on tanks, construction equipment and certain other off-road vehicles. The tracks help the vehicle to distribute its weight more evenly over a larger surface area than wheels can, keeping it from sinking in areas where wheeled vehicles of the same weight would... caterpillar track for use in A modern farm tractor. A tractor (from Latin trahere) is a device intended for drawing, towing or pulling something which cannot propel itself and, often, powering it too. Most commonly the word is used to describe a vehicle intended for such a task on some other vehicle or object. Farm... tractors. The caterpillar type track is used to spread the weight of heavy agricultural and An excavator Engineering vehicles are heavy-duty vehicles, specially designed for executing engineering tasks. Types backhoe loader bulldozer combat engineering vehicle (CEV) combine harvester crane drag line excavator excavator feller buncher forklift forwarder Fresno Scraper front loader grader harvester scraper skid loader skidder tractor Tools blade bucket backhoe hydraulics power... engineering vehicles out over a large area to prevent the vehicle from sinking into the mud. In the industry, the proper vernacular is "Low Ground Pressure" or "LGP for short.

Sinking into the mud was a common problem in peat soil surrounding Stockton is the name of several places: Stockton, Newcastle, New South Wales, Australia Stockton, Cheshire, England Stockton-on-Tees, County Durham, England Stockton, California, USA Stockton, Illinois, USA Stockton, Iowa, USA Stockton, Kansas, USA Stockton Springs, Maine, USA Stockton, Maryland, USA Stockton, Minnesota, USA Stockton, Missouri, USA Stockton, New Jersey... Stockton, State nickname: The Golden State Other U.S. States Capital Sacramento Largest city Los Angeles Governor Arnold Schwarzenegger Official languages English Area 410,000 km² (3rd)  - Land 404,298 km²  - Water 20,047 km² (4.7%) Population ( 2000)  - Population 33,871,648... California where Holt made his residence. Holt's invention allowed practical cultivation on an industrial scale on the rich peat land.

Holt's formed the Holt Manufacturing company in the early 20th century. His invention led to the invention of the modern military tank. Holt Manufacturing later merged with C.M. Best to form the Caterpillar Tractor Company.

See also

• Caterpillar Track
• Caterpillar Inc. (NYSE: CAT) is a United States based corporation headquartered in Peoria, Illinois. Caterpillar is, according to their corporate website, the worlds largest manufacturer of construction and mining equipment, diesel and natural gas engines and industrial gas turbines. Famous for their products featuring the caterpillar track, Caterpillar produces... Caterpillar Inc.
• In modern usage, civil engineering is a broad field of engineering that deals with the planning, construction, and maintenance of fixed structures as they related to earth, water, or civilization and their processes. Most civil engineering today deals with roads, structures, water supply, sewer, flood control, or traffic. Engineering has... Civil Engineering
• A bulldozer is a powerful crawler ( caterpillar tracked tractor) equipped with a blade. The term bulldozer often used to denote any heavy engineering vehicle although the term officially relates only to the dozer blade installed on a tractor. The most common usage of the term bulldozer is to denote a... Bulldozer
• The Caterpillar D9 is a large track-type tractor (commonly referred to as a bulldozer) with caterpillar tracks designed and manufactured by Caterpillar Inc.. The D9, with 354 kW (474 hp) of gross power and an operating weight of 49 tons, is in the upper end, but not the heaviest... Caterpillar D9
• Caterpillar D11
• Paver
• 1918 Grader modern, heavy grader by Caterpillar Inc. A grader is an engineering vehicle with a large blade used to create a flat surface. Typical models have three axles, with the engine and cab situated above the rear axles at one end of the vehicle and a third axle at... Grader