The mechanically governed 3406C marine propulsion engine is available “A” rating of 365 bhp (272 bkW) and a “B” rating of 400 bhp (298 bkW).
| Power Range | 365-400 bhp (272-298 bkW) |
| Speed Range | 1800 rpm |
| Emissions | Non-Certified |
| Power Range | 365-400 bhp (272-298 bkW) |
| Speed Range | 1800 rpm |
| Emissions | Non-Certified |
| Aspiration | TA |
| Bore | — |
| Stroke | — |
| Displacement | — |
| Rotation from Flywheel End | Counterlockwise |
| Configuration | In-line 6, 4-Stroke-Cycle Diesel |
| Refill Capacity | 34.0 L (9.0 gal) |
| Governor | Mechanical |
| Oil Change Interval | 250 hrs |
| Cooling | Heat exchanger or keel-cooled |
| Length | — |
| Dry Weight - Approximate | — |
| Height | — |
| Width | — |
Data not available.