Baudouin 4M09G7D4/5 vs Cummins QSB3.9-G37
The Baudouin 4M09G7D4/5 and Cummins QSB3.9-G37 are both diesel generator engines in a similar power class. Both are rated at roughly 110 kVA. Displacement is 3.58 L versus 3.9 L. The table below compares their full specifications side by side.
| Specification | Baudouin 4M09G7D4/5 | Cummins QSB3.9-G37 |
|---|---|---|
| Headline rating | 110 kVA | 110 kVA |
| Standby (50 Hz) | 88 kWe | 88 kWe |
| Prime (50 Hz) | 80 kWe | 70 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 3.58 L | 3.9 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| 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 4M09G7D4/5 and Cummins QSB3.9-G37
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.