Cummins QSZ13-G5 vs VMAN D15B
The Cummins QSZ13-G5 and VMAN D15B are both diesel generator engines in a similar power class. Both are rated at roughly 563 kVA. Displacement is 13 L versus 14.618 L. The table below compares their full specifications side by side.
| Specification | Cummins QSZ13-G5 | VMAN D15B |
|---|---|---|
| Headline rating | 563 kVA | 563 kVA |
| Standby (50 Hz) | 450 kWe | — |
| Prime (50 Hz) | 360 kWe | — |
| Standby (60 Hz) | 475 kWe | 450 kWe |
| Prime (60 Hz) | 380 kWe | 396 kWe |
| Displacement | 13 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 | — | — |
| Origin | China | China |