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Bergen B36:45V12 vs Wärtsilä 12V34SG

The Bergen B36:45V12 and Wärtsilä 12V34SG are both natural gas generator engines in a similar power class. The Bergen B36:45V12 is the higher-output unit (8,863 kVA vs 7,300 kVA). Displacement is 549.7 L versus 435.9 L. The table below compares their full specifications side by side.

SpecificationBergen B36:45V12Wärtsilä 12V34SG
Headline rating8,863 kVA7,300 kVA
Standby (50 Hz)——
Prime (50 Hz)7,090 kWe5,840 kWe
Standby (60 Hz)——
Prime (60 Hz)—5,580 kWe
Displacement549.7 L435.9 L
ConfigurationV12V12
Cylinders1212
Rated speed750 RPM750 / 900 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight100000 kg—
OriginNorwayFinland
Bergen B36:45V12 full specs →Wärtsilä 12V34SG full specs →

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