The Generator EngineEncyclopedia

Cummins QSK38-G6 vs VMAN D30A2

The Cummins QSK38-G6 and VMAN D30A2 are both diesel generator engines in a similar power class. Both are rated at roughly 989 kVA. Displacement is 37.7 L versus 29.235 L. The table below compares their full specifications side by side.

SpecificationCummins QSK38-G6VMAN D30A2
Headline rating988 kVA990 kVA
Standby (50 Hz)790 kWe792 kWe
Prime (50 Hz)712 kWe716 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement37.7 L29.235 L
ConfigurationV12V16
Cylinders1216
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA Tier 2Unregulated
Dry weight
OriginUnited StatesChina