Generac SG150 vs PSI 11L
The Generac SG150 and PSI 11L are both natural gas generator engines in a similar power class. Both are rated at roughly 188 kVA. Displacement is 8.8 L versus 11.05 L. The table below compares their full specifications side by side.
| Specification | Generac SG150 | PSI 11L |
|---|---|---|
| Headline rating | 188 kVA | 188 kVA |
| Standby (50 Hz) | — | 150 kWe |
| Prime (50 Hz) | — | 150 kWe |
| Standby (60 Hz) | 150 kWe | 175 kWe |
| Prime (60 Hz) | 136 kWe | 175 kWe |
| Displacement | 8.8 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 | Unregulated | U.S. EPA Stationary |
| Dry weight | — | 1179 kg |
| Origin | United States | United States |