Cummins C60N6 vs PSI 6.7L
The Cummins C60N6 and PSI 6.7L are both natural gas generator engines in a similar power class. Both are rated at roughly 74 kVA. Displacement is 5.9 L versus 6.75 L. The table below compares their full specifications side by side.
| Specification | Cummins C60N6 | PSI 6.7L |
|---|---|---|
| Headline rating | 75 kVA | 73 kVA |
| Standby (50 Hz) | — | 58 kWe |
| Prime (50 Hz) | — | 55 kWe |
| Standby (60 Hz) | 60 kWe | 70 kWe |
| Prime (60 Hz) | — | 70 kWe |
| Displacement | 5.9 L | 6.75 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | U.S. EPA Stationary |
| Dry weight | — | 680 kg |
| Origin | United States | United States |
Choosing between Cummins C60N6 and PSI 6.7L
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 C60N6 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.