Baudouin 4M12G1D3/5 vs Cummins QSB3.9-G39
The Baudouin 4M12G1D3/5 and Cummins QSB3.9-G39 are both diesel generator engines in a similar power class. Both are rated at roughly 125 kVA. Displacement is 4.98 L versus 3.9 L. The table below compares their full specifications side by side.
| Specification | Baudouin 4M12G1D3/5 | Cummins QSB3.9-G39 |
|---|---|---|
| Headline rating | 125 kVA | 125 kVA |
| Standby (50 Hz) | 100 kWe | 100 kWe |
| Prime (50 Hz) | 90 kWe | 80 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 4.98 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 | Euro Stage IIIA | Unregulated |
| Dry weight | — | — |
| Origin | France | China |