The Generator EngineEncyclopedia

Cummins C250N6 vs VMAN CET13

The Cummins C250N6 and VMAN CET13 are both natural gas generator engines in a similar power class. Both are rated at roughly 313 kVA. Displacement is 14 L versus 12.8 L. The table below compares their full specifications side by side.

SpecificationCummins C250N6VMAN CET13
Headline rating312 kVA313 kVA
Standby (50 Hz)
Prime (50 Hz)250 kWe
Standby (60 Hz)250 kWe
Prime (60 Hz)
Displacement14 L12.8 L
ConfigurationL6L6
Cylinders66
Rated speed1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight
OriginUnited StatesChina

Choosing between Cummins C250N6 and VMAN CET13

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. The VMAN CET13 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.