Baudouin 6M21G4D3/6 vs Caterpillar C15
The Baudouin 6M21G4D3/6 and Caterpillar C15 are both diesel generator engines in a similar power class. Both are rated at roughly 500 kVA. Displacement is 12.54 L versus 15.2 L. The table below compares their full specifications side by side.
| Specification | Baudouin 6M21G4D3/6 | Caterpillar C15 |
|---|---|---|
| Headline rating | 500 kVA | 500 kVA |
| Standby (50 Hz) | — | 400 kWe |
| Prime (50 Hz) | — | 360 kWe |
| Standby (60 Hz) | 400 kWe | 500 kWe |
| Prime (60 Hz) | 350 kWe | 455 kWe |
| Displacement | 12.54 L | 15.2 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | EU Stage IIIA | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | China | United States |
Choosing between Baudouin 6M21G4D3/6 and Caterpillar C15
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.