The Generator EngineEncyclopedia

Jenbacher J312 vs PSI 40L

The Jenbacher J312 and PSI 40L are both natural gas generator engines in a similar power class. Both are rated at roughly 804 kVA. Displacement is 29.2 L versus 39.23 L. The table below compares their full specifications side by side.

SpecificationJenbacher J312PSI 40L
Headline rating794 kVA813 kVA
Standby (50 Hz)650 kWe
Prime (50 Hz)635 kWe585 kWe
Standby (60 Hz)800 kWe
Prime (60 Hz)725 kWe
Displacement29.2 L39.23 L
ConfigurationV12V12
Cylinders1212
Rated speed1,500 RPM1,500 / 1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedU.S. EPA Stationary
Dry weight3390 kg
OriginAustriaUnited States