Generac SG100 (8.8L) vs PSI 6.7L T
The Generac SG100 (8.8L) and PSI 6.7L T are both natural gas generator engines in a similar power class. Both are rated at roughly 125 kVA. Displacement is 8.8 L versus 6.75 L. The table below compares their full specifications side by side.
| Specification | Generac SG100 (8.8L) | PSI 6.7L T |
|---|---|---|
| Headline rating | 125 kVA | 125 kVA |
| Standby (50 Hz) | — | 100 kWe |
| Prime (50 Hz) | — | 90 kWe |
| Standby (60 Hz) | 100 kWe | 125 kWe |
| Prime (60 Hz) | — | 100 kWe |
| Displacement | 8.8 L | 6.75 L |
| Configuration | V8 | L6 |
| Cylinders | 8 | 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 Generac SG100 (8.8L) and PSI 6.7L T
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.