Caterpillar G3306 vs Cummins C80N6
The Caterpillar G3306 and Cummins C80N6 are both natural gas generator engines in a similar power class. The Cummins C80N6 is the higher-output unit (100 kVA vs 94 kVA). Displacement is 10.5 L versus 5.9 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3306 | Cummins C80N6 |
|---|---|---|
| Headline rating | 94 kVA | 100 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 75 kWe | — |
| Standby (60 Hz) | — | 80 kWe |
| Prime (60 Hz) | — | — |
| Displacement | 10.5 L | 5.9 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | U.S. EPA Stationary |
| Dry weight | — | — |
| Origin | United States | United States |
Choosing between Caterpillar G3306 and Cummins C80N6
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 C80N6 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.