The Generator EngineEncyclopedia

Ford WSG850 vs PSI 5.7L

The Ford WSG850 and PSI 5.7L are both natural gas generator engines in a similar power class. Both are rated at roughly 68 kVA. Displacement is 5 L versus 5.74 L. The table below compares their full specifications side by side.

SpecificationFord WSG850PSI 5.7L
Headline rating66 kVA69 kVA
Standby (50 Hz)55 kWe
Prime (50 Hz)50 kWe
Standby (60 Hz)60 kWe
Prime (60 Hz)53 kWe55 kWe
Displacement5 L5.74 L
ConfigurationV8V8
Cylinders88
Rated speed1,800 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryU.S. EPA Stationary
Dry weight205.5 kg196 kg
OriginUnited StatesUnited States