Generac SG150 vs Guascor G-18FR
The Generac SG150 and Guascor G-18FR are both natural gas generator engines in a similar power class. The Generac SG150 is the higher-output unit (188 kVA vs 178 kVA). Displacement is 8.8 L versus 18 L. The table below compares their full specifications side by side.
| Specification | Generac SG150 | Guascor G-18FR |
|---|---|---|
| Headline rating | 188 kVA | 178 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 142 kWe |
| Standby (60 Hz) | 150 kWe | — |
| Prime (60 Hz) | 136 kWe | 171 kWe |
| Displacement | 8.8 L | 18 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 | Unregulated |
| Dry weight | — | — |
| Origin | United States | Spain |