New | 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
Power Range365-400 bhp (272-298 bkW)
Engine Specifications
Speed Range1800 rpm
ConfigurationIn-line 6, 4-Stroke-Cycle Diesel
Bore5.4 in
Stroke6.5 in
Displacement891 in3
Rotation (from flywheel end)Counterclockwise
Dimensions & Weights
Length57.3 in
Width36.0 in
Height50.3 in
Dry Weight (Approx.)2921 lb
Exhaust System
  • Manifold & Turbocharger, watercooled
  • 152 mm (6 in) round flanged outlet on 1800 rpm
  • Elbow, dry, 152 mm (6 in) on 1800 rpm
  • Flange, dry, 152 mm (6 in) on 1800 rpm;
Air Inlet System
  • Aftercooler core, corrosion resistant coated (air side)
  • Air cleaner, Regular duty, dry, panel type with service indicator.
  • Turbocharger inlet, 152 mm (6 in) OD straight connection
Control System
  • Governor, Hydra-mechanica
Flywheels & Flywheel Housings
  • Flywheel, SAE No. 14
  • Flywheel housing, SAE No. 1
  • SAE standard rotation
Fuel System
  • Fuel filter, Spin on, LH
  • Fuel transfer pump
  • Fuel priming pump
  • Flexible fuel lines
  • Fuel ratio control
  • Instrument panel, LH
  • Engine Oil Pressure gauge
  • Engine water temperature gauge
  • Fuel pressure gauge
Lube System
  • Crankcase breather
  • Oil filter, Spin on, RH
  • Oil filler in valve cover and dipstick, RH
  • Oil pump, sump, manual
Mounting System
  • Front Support
Cooling System
  • Oil cooler
  • Thermostats and housing, Full open temperature 92 C (198 F)
  • Jacket water pump, gear driven, centrifugal
  • Auxiliary sea water pump, gear driven, rubber impeller, rotary, self priming (heat exchanger engines only)
  • Expansion tank
  • Marine transmission oil cooler
Starting/Charging System
  • Charging alternator
  • Electric starting motor, LH
  • Vibration damper
  • Lifting eyes
  • NOTE: Engines for keel cooling do NOT include keel cooler. Engines for heat exchanger cooling do NOT include heat exchanger.



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