Haifeng Machinery

Cummins C450N6 vs Doosan GV222TI

The Cummins C450N6 and Doosan GV222TI are both natural gas generator engines in a similar power class. Both are rated at roughly 549 kVA. Displacement is 28 L versus 21.9 L. The table below compares their full specifications side by side.

SpecificationCummins C450N6Doosan GV222TI
Headline rating563 kVA535 kVA
Standby (50 Hz)——
Prime (50 Hz)—428 kWe
Standby (60 Hz)450 kWe—
Prime (60 Hz)——
Displacement28 L21.9 L
ConfigurationV12V12
Cylinders1212
Rated speed1,800 RPM1,500 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryUnregulated
Dry weight——
OriginUnited StatesSouth Korea

Choosing between Cummins C450N6 and Doosan GV222TI

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 Cummins C450N6 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.