Baudouin 6M31G1D3/5 vs Liebherr D9508
The Baudouin 6M31G1D3/5 and Liebherr D9508 are both diesel generator engines in a similar power class. Both are rated at roughly 660 kVA. Displacement is 18.5 L versus 16.2 L. The table below compares their full specifications side by side.
| Specification | Baudouin 6M31G1D3/5 | Liebherr D9508 |
|---|---|---|
| Headline rating | 660 kVA | 660 kVA |
| Standby (50 Hz) | 528 kWe | 528 kWe |
| Prime (50 Hz) | 480 kWe | 475.2 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 18.5 L | 16.2 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 III | Euro Stage V |
| Dry weight | — | — |
| Origin | China | Switzerland |
Choosing between Baudouin 6M31G1D3/5 and Liebherr D9508
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.