Generac SG080 vs PSI 5.7L TCAC
The Generac SG080 and PSI 5.7L TCAC are both natural gas generator engines in a similar power class. The PSI 5.7L TCAC is the higher-output unit (106 kVA vs 100 kVA). Displacement is 4.43 L versus 5.74 L. The table below compares their full specifications side by side.
| Specification | Generac SG080 | PSI 5.7L TCAC |
|---|---|---|
| Headline rating | 100 kVA | 106 kVA |
| Standby (50 Hz) | — | 85 kWe |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | 80 kWe | 100 kWe |
| Prime (60 Hz) | 73 kWe | — |
| Displacement | 4.43 L | 5.74 L |
| Configuration | L4 | V8 |
| Cylinders | 4 | 8 |
| 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 | — | 196 kg |
| Origin | United States | United States |
Choosing between Generac SG080 and PSI 5.7L TCAC
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 PSI 5.7L TCAC has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.