The Generator EngineEncyclopedia

Cummins C80N6 vs Generac SG080

The Cummins C80N6 and Generac SG080 are both natural gas generator engines in a similar power class. Both are rated at roughly 100 kVA. Displacement is 5.9 L versus 4.43 L. The table below compares their full specifications side by side.

SpecificationCummins C80N6Generac SG080
Headline rating100 kVA100 kVA
Standby (50 Hz)
Prime (50 Hz)
Standby (60 Hz)80 kWe80 kWe
Prime (60 Hz)73 kWe
Displacement5.9 L4.43 L
ConfigurationL6L4
Cylinders64
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 C80N6 and Generac SG080

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.