Arrow KP6 vs PSI 5.7L T
The Arrow KP6 and PSI 5.7L T are both natural gas generator engines in a similar power class. Both are rated at roughly 80 kVA. Displacement is 6.5 L versus 5.74 L. The table below compares their full specifications side by side.
| Specification | Arrow KP6 | PSI 5.7L T |
|---|---|---|
| Headline rating | 79 kVA | 81 kVA |
| Standby (50 Hz) | — | 65 kWe |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | 63 kWe | 80 kWe |
| Prime (60 Hz) | 57 kWe | — |
| Displacement | 6.5 L | 5.74 L |
| Configuration | L6 | V8 |
| Cylinders | 6 | 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 Arrow KP6 and PSI 5.7L 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. The PSI 5.7L T has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.