The Generator EngineEncyclopedia

Cummins QSK19-G8 vs PSI 20L-D

The Cummins QSK19-G8 and PSI 20L-D are both diesel generator engines in a similar power class. Both are rated at roughly 813 kVA. Displacement is 19 L versus 19.62 L. The table below compares their full specifications side by side.

SpecificationCummins QSK19-G8PSI 20L-D
Headline rating813 kVA813 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)650 kWe650 kWe
Prime (60 Hz)545 kWe
Displacement19 L19.62 L
ConfigurationL6L6
Cylinders66
Rated speed1,800 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedU.S. EPA Tier 3
Dry weight2110 kg
OriginChinaUSA