The Generator EngineEncyclopedia

Cummins NTAA855-G7 vs Yuchai YCMJ12520-D40

The Cummins NTAA855-G7 and Yuchai YCMJ12520-D40 are both diesel generator engines in a similar power class. Both are rated at roughly 413 kVA. Displacement is 14 L versus 11.73 L. The table below compares their full specifications side by side.

SpecificationCummins NTAA855-G7Yuchai YCMJ12520-D40
Headline rating413 kVA413 kVA
Standby (50 Hz)330 kWe330 kWe
Prime (50 Hz)300 kWe300 kWe
Standby (60 Hz)
Prime (60 Hz)
Displacement14 L11.73 L
ConfigurationL6L6
Cylinders66
Rated speed1,500 RPM1,500 RPM
FuelDieselDiesel
CoolingLiquid-CooledLiquid-Cooled
EmissionsUnregulatedChina National Stage IV / Unregulated
Dry weight
OriginChinaChina