C4.4 Marine Auxiliary Engine

Auxiliary Engines C4.4 (Electronic)

Request A Price Find Dealer

Key Specs

Power Range
71 - 129 bkW
71 - 129 bkW
Frequency
50 / 60
50 / 60
Emissions
U.S. EPA Tier 3, EU Stage V, China II
U.S. EPA Tier 3, EU Stage V, China II

Overview

C4.4 (Electronic Control System)

Features At A Glance

Specifications Standard Equipment Optional Equipment

Product Specifications for C4.4 (Electronic)

Download Print
Emissions U.S. EPA Tier 3, EU Stage V, China II U.S. EPA Tier 3, EU Stage V, China II
Rated Engine Speed 1500 / 1800 rpm 1500 / 1800 rpm
Bore 4.13 in 105 mm
Stroke 5 in 127 mm
Displacement 268 in³ 4.4 l
Aspiration Turbocharged - Aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW)) Turbocharged - Aftercooled and turbo only aspiration (Turbocharged aspiration only for 65ekW (71bkW))
Governor Electronic (A5 ECM) Electronic (A5 ECM)
Configuration In-line 4, 4-stroke-cycle diesel In-line 4, 4-stroke-cycle diesel
Refill Capacity Lube Oil System w/Oil filter change: 11 L 2.8 gal) Lube Oil System w/Oil filter change: 11 L 2.8 gal)
Oil Change Interval 500 hours 500 hours
Cooling Heat exchanger, combined circuit keel cooling, or separate circuit keel cooling Heat exchanger, combined circuit keel cooling, or separate circuit keel cooling
Flywheel Housing SAE No. 03 with SAE 11.5 flywheel (126 teeth) SAE No. 03 with SAE 11.5 flywheel (126 teeth)
Rotation from Flywheel End Counterclockwise Counterclockwise
Length 33.7 in 856 mm
Height 40.9 in 1038 mm
Minimum Width 30.6 in 778 mm
Maximum Width 32 in 814 mm
Minimum Engine Dry Weight 1200 lb 544 kg
Maximum Engine Dry Weight 1278 lb 580 kg
Power Range 71 - 129 bkW 71 - 129 bkW
Frequency 50 / 60 50 / 60

C4.4 (Electronic) Standard Equipment

Print

COOLING SYSTEM

  • Gear-driven jacket-water and auxiliary water pumps
  • Engine mounted air cleaner and expansion tank
  • Integral plate-type oil cooler

EXHAUST SYSTEM

  • Watercooled exhaust manifold and turbocharger

FUEL SYSTEM

  • Common Rail fuel system
  • Electric fuel priming pump

GENERAL

  • Internal engine balancing shaft
  • Self-tensioning multi-vee belt drive

LUBE SYSTEM

  • Open crankcase ventilation system

MOUNTING SYSTEM

  • Engine mounted fuel and oil filter
  • Engine mounted customer interface and control relays

STARTING SYSTEM

  • 12V or 24V starter motor

C4.4 (Electronic) Optional Equipment

Print

GENERAL

  • MGGP 200 Gauge Panel and interface harness
  • Engine shutdown sensors and shutdown controller
  • Double wall high pressure fuel lines
  • EMCP engine control panel
  • Exhaust elbow and bellows
  • Rear mounting feet
  • Glow plugs
  • Jacket water heater
  • Jacket water connections (keel cooled)
  • S•O•SSM sample points
  • Glow plugs

See how C4.4 (Electronic) compares against frequently compared products.

Marine Power Systems
Selected
C4.4 (Electronic)
C4.4 (Electronic)
Power Range
71 - 129 bkW
71 - 129 bkW
Frequency
50 / 60
50 / 60
Emissions
U.S. EPA Tier 3, EU Stage V, China II
U.S. EPA Tier 3, EU Stage V, China II
Marine Power Systems
C7.1 (Electronic)
C7.1 (Electronic)
Power Range
109 - 218 bkW
109 - 218 bkW
Frequency
50 / 60
50 / 60
Emissions
U.S. EPA Tier 3, IMO II, EU Stage V, China II
U.S. EPA Tier 3, IMO II, EU Stage V, China II
View Details
Marine Power Systems
C9.3 Auxiliary Engine
C9.3 Auxiliary Engine
Power Range
218 bkW - 325 bkW
218 bkW - 325 bkW
Frequency
50 / 60
50 / 60
Emissions
IMO II, IMO III, U.S. EPA Tier 3, China Stage II
IMO II, IMO III, U.S. EPA Tier 3, China Stage II
View Details

Tools And Expert Help At Every Turn

Find Dealer

Find Dealer

Payment Calculator

Payment Calculator

Current Offers

Current Offers

Rental Options

Rental Options

Used Options

Used Options

Product Brochures and More Are Ready to Download!

Media Gallery

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine

C4.4 Marine Auxiliary Engine
C4.4 Marine Auxiliary Engine
C4.4 Marine Auxiliary Engine
C4.4 Marine Auxiliary Engine

C4.4 Electronic Control System

C4.4 Electronic Control System

Check out current offers for the C4.4 (Electronic)

View More Offers

Products

Services & Support

How Can We Help?

Company Info

Industry Solutions

News

Connect with Cat

public Australia, New Zealand ‧ English edit

Caterpillar Brands 

  • Australia, New Zealand-English
  • © 2025 Caterpillar. All Rights Reserved.
warning

Internet Explorer users may experience issues with certain features of our site.
Please try a current version of an alternate browser (i.e. Google Chrome, Microsoft Edge, Mozilla Firefox) for the full Cat.com experience.