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Caterpillar CG132B-8 vs Weichai 6M33D450E310NG

The Caterpillar CG132B-8 and Weichai 6M33D450E310NG are both natural gas generator engines in a similar power class. Both are rated at roughly 503 kVA. Displacement is 17.5 L versus 19.8 L. The table below compares their full specifications side by side.

SpecificationCaterpillar CG132B-8Weichai 6M33D450E310NG
Headline rating500 kVA506 kVA
Standby (50 Hz)—405 kWe
Prime (50 Hz)400 kWe400 kWe
Standby (60 Hz)—432 kWe
Prime (60 Hz)400 kWe—
Displacement17.5 L19.8 L
ConfigurationV8V6
Cylinders86
Rated speed1,500 / 1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight——
OriginGermanyChina
Caterpillar CG132B-8 full specs →Weichai 6M33D450E310NG full specs →

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