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Caterpillar C32 vs Perkins 4012-46TWG3A

The Caterpillar C32 and Perkins 4012-46TWG3A are both diesel generator engines in a similar power class. Both are rated at roughly 1,500 kVA. Displacement is 32.1 L versus 46 L. The table below compares their full specifications side by side.

SpecificationCaterpillar C32Perkins 4012-46TWG3A
Headline rating1,500 kVA1,500 kVA
Standby (50 Hz)1,200 kWe1,200 kWe
Prime (50 Hz)1,090 kWe1,092 kWe
Standby (60 Hz)1,250 kWe1,200 kWe
Prime (60 Hz)1,000 kWe1,092 kWe
Displacement32.1 L46 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight——
OriginUnited StatesUnited Kingdom
Caterpillar C32 full specs →Perkins 4012-46TWG3A full specs →

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