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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 x 6.38 bore/stroke. The C32 is the most power-dense high-speed diesel engine[note 1] of Caterpillar. The engine can produce up to 2000 horsepower at 2300 rpm. The peak torque of 5532 lb-ft occurs at an engine speed of 1300 to 1800 RPM. The engine weighs over three tons at 6780 pounds. The C32 is used in CAT equipment including the 777G mining truck and the D11T bulldozer. It is also sold for use in rail[2] and marine applications, and for other industrial applications such as crushers, pumps, and drills.[3]

This engine article relies largely or entirely on a single source. (February 2017)

Caterpillar C32[1]
Caterpillar C32 engine
Overview
Manufacturer	Caterpillar Inc.
Production	2006-
Layout
Configuration	Four-stroke V12
Displacement	32,100 cubic centimetres (1,959 in3)
Cylinder bore	145 millimetres (5.709 in)
Piston stroke	162 millimetres (6.378 in)
Compression ratio	15.3:1
RPM range
Idle	545
Redline	2350
Combustion
Turbocharger	Double
Fuel system	Unit injection (see management)
Management	Electronic (ACERT) with mechanical failsafe
Fuel type	Diesel
Oil system	Wet sump
Cooling system	Water cooled
Output
Power output	1,491 kilowatts (1,999 hp) @ 2200 rpm (marine/military rating)
Torque output	7,500 newton-metres (5,532 lbf⋅ft) @ 1300-1800 rpm
Dimensions
Dry weight	3,145 kilograms (6,934 lb)
Emissions
Emissions target standard	EPA T4, Euro V or IMO 3
Emissions control technology	Exhaust gas recirculation Selective catalytic reduction
Chronology
Predecessor	Caterpillar 34 series engine
Successor	Caterpillar C32B

Notes

References

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