Main content
Caterpillar
3406C Propulsion Engine
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).
Media
Photos
Details
Specifications
Power Rating
| Spec | Value | 
|---|---|
| Power Range | 365-400 bhp (272-298 bkW) 365-400 bhp (272-298 bkW) | 
Engine Specifications
| Spec | Value | 
|---|---|
| Speed Range | 1800 rpm 1800 rpm | 
| Emissions | Non-Certified Non-Certified | 
| Aspiration | TA TA | 
| Bore | 5.4 in 137.2 mm | 
| Stroke | 6.4 in 165.1 mm | 
| Displacement | 893.39 in³ 14.6 l | 
| Rotation from Flywheel End | Counterlockwise Counterlockwise | 
| Configuration | In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel | 
| Refill Capacity | 34.0 L (9.0 gal) 34.0 L (9.0 gal) | 
| Governor | Mechanical Mechanical | 
| Oil Change Interval | 250 hrs 250 hrs | 
| Cooling | Heat exchanger or keel-cooled Heat exchanger or keel-cooled | 
Dimensions & Weights
| Spec | Value | 
|---|---|
| Length | 57.25 in 1454.2 mm | 
| Dry Weight – Approximate | 2921 lb 1325 kg | 
| Height | 50.33 in 1278.5 mm | 
| Width | 35.96 in 913.5 mm | 
Standard Equipment
Flywheel and Flywheel Housing
- SAE 1 flywheel housing
 
Cooling System
- Keel cooling with jacket water pump
 - Expansion tank & connections
 
Exhaust System
- Water cooled manifold
 - 6 inch Exhaust flange
 
Air Inlet System
- Turbo and Aftercooler
 - Air cleaner
 
Mounting System
- Front & rear supports
 
Charging System
- Charging alternator (12 / 24 V selection)
 
Starting System
- Starting motor (12 / 24 V selection)
 
Optional Equipment
Cooling System
- Sea water pump
 - Heat exchanger
 
Fuel System
- Duplex Fuel Filtration
 
General
- Auxiliary Drive