The Generator EngineEncyclopedia

Cummins C30N6 vs Generac RG03224

The Cummins C30N6 and Generac RG03224 are both natural gas generator engines in a similar power class. The Generac RG03224 is the higher-output unit (40 kVA vs 38 kVA). The table below compares their full specifications side by side.

SpecificationCummins C30N6Generac RG03224
Headline rating38 kVA40 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)30 kWe32 kWe
Prime (60 Hz)
Displacement2.4 L2.4 L
ConfigurationL4L4
Cylinders44
Rated speed1,800 RPM1,800 RPM
FuelNatural GasNatural Gas
CoolingLiquid-CooledLiquid-Cooled
EmissionsU.S. EPA StationaryU.S. EPA Stationary
Dry weight
OriginUnited StatesUnited States

Choosing between Cummins C30N6 and Generac RG03224

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 Generac RG03224 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.