VMAN D22B vs Weichai 6M31D740E310
The VMAN D22B and Weichai 6M31D740E310 are both diesel generator engines in a similar power class. Both are rated at roughly 832 kVA. Displacement is 21.927 L versus 18.6 L. The table below compares their full specifications side by side.
| Specification | VMAN D22B | Weichai 6M31D740E310 |
|---|---|---|
| Headline rating | 831 kVA | 833 kVA |
| Standby (50 Hz) | — | 666 kWe |
| Prime (50 Hz) | — | 612 kWe |
| Standby (60 Hz) | 665 kWe | 666 kWe |
| Prime (60 Hz) | 604 kWe | 612 kWe |
| Displacement | 21.927 L | 18.6 L |
| Configuration | V12 | V6 |
| Cylinders | 12 | 6 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | China | China |