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A grader, also commonly referred to as a road grader, motor grader, or simply blade, is a form of heavy equipment with a long blade used to create a flat surface during grading. Although the earliest models were towed behind horses, and later tractors , most modern graders are self-propelled and thus technically "motor graders".
Caterpillar's line of machines range from tracked tractors to hydraulic excavators, backhoe loaders, motor graders, off-highway trucks, wheel loaders, agricultural tractors, and locomotives. Caterpillar machinery is used in the construction, road-building, mining, forestry, energy, transportation, and material-handling industries.
In 1968, Caterpillar bought the rights to this concept, thus the 770 hp (570 kW) DD9G was created (DD stands for Dual D9G). [1] Peterson also built the first SxS D9G, which has two D9Gs side-by-side, pushing a 24-foot (7.3 m)-wide bulldozer blade. In 1969, Caterpillar introduced this new SxS D9G.
Industry statistics based on 2010 production published by Off-Highway Research showed Shantui was the largest producer of bulldozers, making over 10,000 units that year or two in five crawler-type dozers made in the world. [12] The next-largest producer by number of units is Caterpillar Inc., which produced 6,400 units. [12]
The Caterpillar C32 is a V12 diesel engine made by Caterpillar Inc. The engine displacement is 32.1 liters (1959 cubic inches). The cylinder size is 5.71 inches x 6.38 inches bore/stroke. The engine can produce up to 1900 horsepower at 2300 rpm. The peak torque of 5532 lb-ft occurs at an engine speed of 1300 to 1800 RPM.
The Caterpillar C13 is an inline-6 diesel internal combustion engine made by Caterpillar. The engine is 12.5 liters in displacement (763 cubic inches). The cylinder size is 5.12 × 6.18 bore/stroke. Engine ratings were available from 380–525 horsepower at 2100 RPM. The peak torque occurs at an engine speed of 1200 RPM. [2]
This bulldozer has a gross weight of 183 tonnes and is powered by two 675 hp (503 kW) Caterpillar engines placed horizontally opposed, which deliver a total combined output of 1,350 hp (1,010 kW). The super bulldozer has a blade that is 23 feet (7.0 m) wide and 9 feet (2.7 m) high, whilе the total length of the bulldozer is over 40 feet (12 m ...
The Caterpillar C27 is a V12 diesel internal combustion engine made by Caterpillar. The engine is 27 litres (1,648 cu in) in displacement. Each cylinder has a bore of 137 mm (5.4 in) and a stroke of 154 mm (6.1 in). The engine can produce 370–750 kW (500–1,000 hp) at 2100 RPM. The peak torque occurs at an engine speed of 1400 RPM. This ...
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