Caterpillar C32

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Caterpillar C32[1]
Caterpillar-brand engine encased in its yellow enclosure depicted. On the right there is a cylindrical oil filter and on slightly below the middle left also two oil filters side by side. "CAT 1R-1808 - Advanced" reads on these filters. On the bottom it reads "CAT C32 MARINE ENGINE". On the upper right there is a black plate reading "CAT C32" along with some unreadable text. Several white quality check stickers glued on the engine.
Caterpillar C32 within its enclosure painted in yellow
ManufacturerCaterpillar Inc.
ConfigurationFour-stroke V12
Displacement32,100 cubic centimetres (1,959 in3)
Cylinder bore145 millimetres (5.709 in)
Piston stroke162 millimetres (6.378 in)
Compression ratio15.3:1
RPM range
Fuel systemUnit injection (see management)
ManagementElectronic (ACERT) with mechanical failsafe
Fuel typeDiesel
Oil systemWet sump
Cooling systemWater cooled
Power output1,417 kilowatts (1,900 hp) @ 2200 rpm (marine/military rating)
Torque output7,000 newton metres (5,163 lbf⋅ft) @ 1500 rpm
Dry weight3.075 tonnes (3.026 long tons; 3.390 short tons)
Emissions target standardEPA T4, Euro V or IMO 3
Emissions control technology
PredecessorCaterpillar 34 series engine

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 600–1,800 horsepower at 2,300 rpm. The peak torque occurs at an engine speed of 1500 RPM. The engine weighs over three tons at 6780 pounds. The C32 is often used in locomotives[2] and ships.[3]


  1. ^ To see what speed range is considered high speed, see:High-speed diesel engine.


  1. ^ "Marine Power Systems". Caterpillar. Retrieved 15 March 2019.
  2. ^ "EffiShunter 1000". CZ LOKO. Archived from the original on 2 March 2017. Retrieved 1 February 2017.
  3. ^ "Specifications". M/Y d'Angleterre II. 2010.