Cummins QSK19-G31 vs Perkins 2806A-E18TAG2
The Cummins QSK19-G31 and Perkins 2806A-E18TAG2 are both diesel generator engines in a similar power class. Both are rated at roughly 700 kVA. Displacement is 19 L versus 18 L. The table below compares their full specifications side by side.
| Specification | Cummins QSK19-G31 | Perkins 2806A-E18TAG2 |
|---|---|---|
| Headline rating | 700 kVA | 700 kVA |
| Standby (50 Hz) | 560 kWe | 560 kWe |
| Prime (50 Hz) | 509 kWe | 520 kWe |
| Standby (60 Hz) | — | 550 kWe |
| Prime (60 Hz) | — | 500 kWe |
| Displacement | 19 L | 18 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | United Kingdom |