The Generator EngineEncyclopedia

Cummins QSK38-G9 vs PSI 26L-D

The Cummins QSK38-G9 and PSI 26L-D are both diesel generator engines in a similar power class. Both are rated at roughly 1,038 kVA. Displacement is 37.8 L versus 26.1 L. The table below compares their full specifications side by side.

SpecificationCummins QSK38-G9PSI 26L-D
Headline rating1,025 kVA1,050 kVA
Standby (50 Hz)820 kWe
Prime (50 Hz)743 kWe
Standby (60 Hz)840 kWe
Prime (60 Hz)
Displacement37.8 L26.1 L
ConfigurationV12V8
Cylinders128
Rated speed1,500 RPM1,800 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsChina National Stage III / UnregulatedU.S. EPA Tier 3
Dry weight
OriginChinaUSA