C18 ACERT Tier 3

3406C Propulsion Engine

Overview

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).

Over 15 Years of Marine 3406C Caterpillar Production
Building on Years of Experience with 3400 Series Products
History of Proven Quality & Reliability
Caterpillar Global Dealer and Support Network
Over 15 Years of Marine 3406C Caterpillar Production
Building on Years of Experience with 3400 Series Products
History of Proven Quality & Reliability
Caterpillar Global Dealer and Support Network

Power Rating

Power Range
365-400 bhp (272-298 bkW)
Power Range
365-400 bhp (272-298 bkW)

Engine Specifications

Speed Range
1800 rpm
Emissions
Non-Certified
Aspiration
TA
Bore
5.4in
Stroke
6.5in
Displacement
891in3
Configuration
In-line 6, 4-Stroke-Cycle Diesel
Rotation from Flywheel End
Counterclockwise
Speed Range
1800 rpm
Emissions
Non-Certified
Aspiration
TA
Bore
5.4in
Stroke
6.5in
Displacement
891in³

Dimensions & Weights

Length
57.3in
Width
36in
Height
50.3in
Dry Weight - Approximate
2921lb

Standard/Optional Features

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

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