C18 ACERT Tier 3

Commercial Propulsion Engines 3406C

Request A Price Find Dealer

Key Specs

Power Range
365-400 bhp (272-298 bkW)
365-400 bhp (272-298 bkW)
Speed Range
1800 rpm
1800 rpm
Emissions
Non-Certified
Non-Certified

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).

Product Specifications for 3406C

Power Range 365-400 bhp (272-298 bkW) 365-400 bhp (272-298 bkW)
Speed Range 1800 rpm 1800 rpm
Emissions Non-Certified Non-Certified
Aspiration TA TA
Bore 5.4 in 137.2 mm
Stroke 6.5 in 165.1 mm
Displacement 891 in³ 14.6 l
Rotation from Flywheel End Counterclockwise Counterclockwise
Configuration In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel
Length 57.3 in 1454.2 mm
Dry Weight - Approximate 2921 lb 1325 kg
Height 50.3 in 1278.5 mm
Width 36 in 913.5 mm

3406C 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.

3406C 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

See how 3406C compares against frequently compared products.

Use the comparison tool to compare detailed specs of Cat and competitor models.

COMPARE ALL MODELS

Tools And Expert Help At Every Turn

Product Brochures and More Are Ready to Download!

Full specifications, product brochures and more. Sign up below for additional information. Or for instant access, you can skip this form.

Marketing Consent

Check out current offers for the 3406C

View More Offers