Cummins QSK19-G12 vs VMAN D22A2
The Cummins QSK19-G12 and VMAN D22A2 are both diesel generator engines in a similar power class. Both are rated at roughly 634 kVA. Displacement is 19 L versus 21.927 L. The table below compares their full specifications side by side.
| Specification | Cummins QSK19-G12 | VMAN D22A2 |
|---|---|---|
| Headline rating | 631 kVA | 636 kVA |
| Standby (50 Hz) | 505 kWe | 509 kWe |
| Prime (50 Hz) | 460 kWe | 464 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 19 L | 21.927 L |
| Configuration | L6 | V12 |
| Cylinders | 6 | 12 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | China |