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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).




  • Power Rating
    Spec Value
    Power Range 365-400 bhp (272-298 bkW)
  • Engine Specifications
    Spec Value
    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 Clockwise
    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
    Spec Value
    Length 57.25 in
    Dry Weight - Approximate 2921 lb
    Height 50.33 in
    Width 35.96 in

Standard Equipment


  • SAE 1 flywheel housing
  • Water cooled manifold
  • Turbo and Aftercooler
  • Keel cooling with jacket water pump
  • Expansion tank & connections
  • Exhaust flange
  • Air cleaner
  • Front & rear supports
  • Charging alternator (12/24V selection)
  • Starting motor (12/24V selection)

Optional Equipment


  • Sea water pump
  • Heat exchanger