Baudouin 6M21G3D4/5 vs VMAN D15A
The Baudouin 6M21G3D4/5 and VMAN D15A are both diesel generator engines in a similar power class. Both are rated at roughly 501 kVA. Displacement is 12.54 L versus 14.618 L. The table below compares their full specifications side by side.
| Specification | Baudouin 6M21G3D4/5 | VMAN D15A |
|---|---|---|
| Headline rating | 500 kVA | 501 kVA |
| Standby (50 Hz) | 400 kWe | 401 kWe |
| Prime (50 Hz) | 360 kWe | 365 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 12.54 L | 14.618 L |
| Configuration | L6 | V8 |
| Cylinders | 6 | 8 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China IV | Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Baudouin 6M21G3D4/5 and VMAN D15A
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 D15A has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.