The Generator EngineEncyclopedia

Cummins C25N6 vs Generac RG02724

The Cummins C25N6 and Generac RG02724 are both natural gas generator engines in a similar power class. Both are rated at roughly 31 kVA. The table below compares their full specifications side by side.

SpecificationCummins C25N6Generac RG02724
Headline rating31 kVA31 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)25 kWe25 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 C25N6 and Generac RG02724

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.