Generac SG175 vs PSI 11L
The Generac SG175 and PSI 11L are both natural gas generator engines in a similar power class. Both are rated at roughly 219 kVA. Displacement is 14.2 L versus 11.05 L. The table below compares their full specifications side by side.
| Specification | Generac SG175 | PSI 11L |
|---|---|---|
| Headline rating | 219 kVA | 219 kVA |
| Standby (50 Hz) | — | 175 kWe |
| Prime (50 Hz) | — | 150 kWe |
| Standby (60 Hz) | 175 kWe | 200 kWe |
| Prime (60 Hz) | 158 kWe | 175 kWe |
| Displacement | 14.2 L | 11.05 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 | — | 1179 kg |
| Origin | United States | United States |
Choosing between Generac SG175 and PSI 11L
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.