Haifeng Machinery

Cummins C250N6 vs VMAN DT15BG

The Cummins C250N6 and VMAN DT15BG are both natural gas generator engines in a similar power class. Both are rated at roughly 313 kVA. Displacement is 14 L versus 15.07 L. The table below compares their full specifications side by side.

SpecificationCummins C250N6VMAN DT15BG
Headline rating313 kVA313 kVA
Standby (50 Hz)——
Prime (50 Hz)—250 kWe
Standby (60 Hz)250 kWe—
Prime (60 Hz)——
Displacement14 L15.07 L
ConfigurationL6V8
Cylinders68
Rated speed1,800 RPM1,500 RPM
FuelNatural GasBiogas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight——
OriginUnited StatesChina

Choosing between Cummins C250N6 and VMAN DT15BG

Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing.