The Generator EngineEncyclopedia

Generac SG750 vs Waukesha VGF P48GSI

The Generac SG750 and Waukesha VGF P48GSI are both natural gas generator engines in a similar power class. Both are rated at roughly 938 kVA. Displacement is 33.9 L versus 48 L. The table below compares their full specifications side by side.

SpecificationGenerac SG750Waukesha VGF P48GSI
Headline rating938 kVA938 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)750 kWe
Prime (60 Hz)682 kWe750 kWe
Displacement33.9 L48 L
ConfigurationV12V16
Cylinders1216
Rated speed1,800 RPM1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedUnregulated
Dry weight
OriginUnited StatesUnited States