Cummins K19N-G4 vs PSI 20L
The Cummins K19N-G4 and PSI 20L are both natural gas generator engines in a similar power class. Both are rated at roughly 500 kVA. Displacement is 18.9 L versus 19.6 L. The table below compares their full specifications side by side.
| Specification | Cummins K19N-G4 | PSI 20L |
|---|---|---|
| Headline rating | 500 kVA | 500 kVA |
| Standby (50 Hz) | — | 400 kWe |
| Prime (50 Hz) | 400 kWe | 365 kWe |
| Standby (60 Hz) | — | 500 kWe |
| Prime (60 Hz) | 400 kWe | 400 kWe |
| Displacement | 18.9 L | 19.6 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 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 | — | 2110 kg |
| Origin | China | United States |