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In 1998, Caterpillar released an improved version, the 3126B. In 2002, the 3126E was released, though these improved versions only affected engine electronics, not the actual engine design. [1] Caterpillar launched a three-tier system of overhaul kits for the 3126 and its C7 successor in 2011. [3] It was rated for multiple power and torque ...
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]
Caterpillar replaced the gross 3,550 hp (2,647 kW) [net 3,370 hp (2,513 kW)] Cat 3524B EUI 24-cylinder diesel engine used in the 797B with the gross 4,000 hp (2,983 kW) [net 3,793 hp (2,828 kW)] Cat C175-20 ACERT 20-cylinder diesel engine, enabling the 797F to maintain the 42 mph (68 km/h) top speed of the 797B while transporting a heavier 400 ...
In 2007, as ultra-low-sulfur diesel became required in North America, Caterpillar updated the C7 to use common rail fuel injectors and improved ACERT electronics. [122] [123] In 1998 Caterpillar purchased Perkins Engines of Peterborough, England, a maker of small diesel and gasoline engines. Perkins engines are used in various applications.
In 1988, Caterpillar produced their 25,000th elevated-drive-sprocket track-type tractor, a D9N. The 405 hp (302 kW) D9R replaced the D9N in 1996. The 410 hp (310 kW) D9T replaced the D9R in 2004. The main difference between the D9T and the D9R is the installment of the new Cat C18 ACERT inline-six engine in the D9T vs the V8 3408 HEUI in the ...