Baudouin 6M21G400/5 vs Caterpillar 3406
The Baudouin 6M21G400/5 and Caterpillar 3406 are both diesel generator engines in a similar power class. Both are rated at roughly 400 kVA. Displacement is 12.6 L versus 14.6 L. The table below compares their full specifications side by side.
| Specification | Baudouin 6M21G400/5 | Caterpillar 3406 |
|---|---|---|
| Headline rating | 400 kVA | 400 kVA |
| Standby (50 Hz) | 320 kWe | 320 kWe |
| Prime (50 Hz) | 300 kWe | 290 kWe |
| Standby (60 Hz) | 400 kWe | 400 kWe |
| Prime (60 Hz) | 360 kWe | 365 kWe |
| Displacement | 12.6 L | 14.6 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | France | USA |