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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).

Photos

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Features

Specifications

  • 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 6.5 in
    Displacement 891 in³
    Rotation from Flywheel End Counterclockwise
    Configuration In-line 6, 4-Stroke-Cycle Diesel
  • Dimensions & Weights
    Spec Value
    Length 57.3 in
    Dry Weight - Approximate 2921 lb
    Height 50.3 in
    Width 36 in

Standard Equipment

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

Instrumentation

  • 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

General

  • Vibration damper
  • Lifting eyes
  • NOTE: Engines for keel cooling do NOT include keel cooler. Engines for heat exchanger cooling do NOT include heat exchanger.

Optional Equipment

EXHAUST SYSTEM

  • Elbow
  • Rain Cap
  • Flexible Fitting
  • Muffler
  • Duplex fuel filters
  • Water seperator

CONTROL SYSTEM

  • Engine mounted controls

COOLING SYSTEM

  • Head exchanger - shipped loose
  • Dry charge coolant conditioner

LUBE SYSTEM

  • Sump Pump

STARTING SYSTEM

  • Ether starting aid
  • Battery Sets - 24 Volt - Dry

PACKING

  • Engine Protective Cover
  • Storage Preservation
  • Export Packing

GENERAL

  • Tool set