Cummins C550N6 vs Guascor G-36FL
The Cummins C550N6 and Guascor G-36FL are both natural gas generator engines in a similar power class. Both are rated at roughly 675 kVA. Displacement is 37.7 L versus 35.9 L. The table below compares their full specifications side by side.
| Specification | Cummins C550N6 | Guascor G-36FL |
|---|---|---|
| Headline rating | 688 kVA | 661 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 529 kWe |
| Standby (60 Hz) | 550 kWe | — |
| Prime (60 Hz) | — | 577 kWe |
| Displacement | 37.7 L | 35.9 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| 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 | Unregulated |
| Dry weight | — | — |
| Origin | United States | Spain |
Choosing between Cummins C550N6 and Guascor G-36FL
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 C550N6 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.