Propulsion engines

3406C

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).

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Power Rating
Power Range 365-400 bhp (272-298 bkW)
Engine Specifications
Speed Range 1800 rpm
Emissions Non-Certified
Aspiration TA
Bore 5.4 in
Stroke 6.4 in
Displacement 893.39 in³
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
Dimensions & Weights
Length 57.25 in
Dry Weight - Approximate 2921 lb
Height 50.33 in
Width 35.96 in

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)
  • 3406C Commercial Prop Engine Spec Sheet (272 - 298 bkW))
    application/pdf
    Download ↓
Need installed dimensions with enclosure and tank? See Model Configurations