Cummins K38N-G5 vs Perkins 4008TESI
The Cummins K38N-G5 and Perkins 4008TESI are both natural gas generator engines in a similar power class. Both are rated at roughly 625 kVA. Displacement is 37.8 L versus 30.5 L. The table below compares their full specifications side by side.
| Specification | Cummins K38N-G5 | Perkins 4008TESI |
|---|---|---|
| Headline rating | 625 kVA | 625 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 500 kWe | 500 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 500 kWe | — |
| Displacement | 37.8 L | 30.5 L |
| Configuration | V12 | V8 |
| Cylinders | 12 | 8 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | United Kingdom |