The Generator EngineEncyclopedia

Generac SG150 vs MAN E 2876 E312

The Generac SG150 and MAN E 2876 E312 are both natural gas generator engines in a similar power class. Both are rated at roughly 184 kVA. Displacement is 8.8 L versus 12.8 L. The table below compares their full specifications side by side.

SpecificationGenerac SG150MAN E 2876 E312
Headline rating188 kVA180 kVA
Standby (50 Hz)
Prime (50 Hz)144 kWe
Standby (60 Hz)150 kWe
Prime (60 Hz)136 kWe163 kWe
Displacement8.8 L12.8 L
ConfigurationL6L6
Cylinders66
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginUnited StatesGermany