Cummins QSG12-G4 vs VMAN D15B2
The Cummins QSG12-G4 and VMAN D15B2 are both diesel generator engines in a similar power class. Both are rated at roughly 456 kVA. Displacement is 11.8 L versus 14.618 L. The table below compares their full specifications side by side.
| Specification | Cummins QSG12-G4 | VMAN D15B2 |
|---|---|---|
| Headline rating | 455 kVA | 456 kVA |
| Standby (50 Hz) | 364 kWe | — |
| Prime (50 Hz) | 333 kWe | — |
| Standby (60 Hz) | 418 kWe | 365 kWe |
| Prime (60 Hz) | 383 kWe | 333 kWe |
| Displacement | 11.8 L | 14.618 L |
| Configuration | L6 | V8 |
| Cylinders | 6 | 8 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | 1110 kg | — |
| Origin | China | China |