VMAN D22.2 vs Yuchai YC6C1070-D31
The VMAN D22.2 and Yuchai YC6C1070-D31 are both diesel generator engines in a similar power class. Both are rated at roughly 889 kVA. Displacement is 21.927 L versus 39.584 L. The table below compares their full specifications side by side.
| Specification | VMAN D22.2 | Yuchai YC6C1070-D31 |
|---|---|---|
| Headline rating | 889 kVA | 888 kVA |
| Standby (50 Hz) | — | 710 kWe |
| Prime (50 Hz) | — | 650 kWe |
| Standby (60 Hz) | 711 kWe | — |
| Prime (60 Hz) | 646 kWe | — |
| Displacement | 21.927 L | 39.584 L |
| Configuration | V12 | L6 |
| Cylinders | 12 | 6 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between VMAN D22.2 and Yuchai YC6C1070-D31
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The VMAN D22.2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.