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Marine Engines and Generators

Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications. From tugs and container vessels to yachts and sport fishers, Cat engines have demonstrated their efficiency countless times. With remarkable reliability and durability, these engines will exceed your expectations for decades.
9 of 34 products
Commercial Propulsion Engines
C32

The C32 marine propulsion engine is available at ratings that meet EPA Tier 3, EPA Tier 4, and IMO II/III, and EU Stage...

Bore
145.0mm
Stroke
162.0mm
Displacement
32.1l
Auxiliary Engines
C32

C32 auxiliary/generator set engines incorporate a separate circuit aftercooling system (SCAC) for all configurations. The primary advantage of the SCAC systsem is reduced...

Minimum Rating
781bkW
Maximum Rating
994bkW
Displacement
32.1l
Marine Generator Sets
C32

C32 generator sets incorporate a separate circuit aftercooling system (SCAC) for all configurations. The primary advantage of the SCAC systsem is reduced aftercooler...

Bore
145.0mm
Stroke
162.0mm
Displacement
32.1l
High Performance Propulsion and Maneuvering Solutions
C32B Sequential Turbo

With the introduction of the C32B product line in 2021, Caterpillar Marine now confirms the availability of the uprated Cat® C32B Marine Propulsion...

Bore
145.0mm
Stroke
162.0mm
Displacement
32.1l
Marine Generator Sets
C4.4

Cat® C4.4 Diesel Marine Generator Set has three phase ratings of 50 Hertz at 38.0, 51.5, and 69.0 ekW with heat exchanger cooling...

Bore
105.0mm
Stroke
127.0mm
Displacement
4.4l
Auxiliary Engines
C4.4 (ECS)

Cat C4.4 Marine Auxiliary Engine with Electronic Control System (ECS)

Length
856mm
Height
1038.0mm
Minimum Width
778mm
Marine Generator Sets
C4.4 ECS

Cat C4.4 Electronic Control System (ECS) Marine Generator Set

Bore
105mm
Stroke
127.0mm
Displacement
4.4l
Commercial Propulsion Engines
C7.1

C7.1 Marine Propulsion Engine (U.S. EPA Tier 3 / IMO II)

Displacement
7.01l
Bore
105mm
Stroke
135mm
High Performance Propulsion and Maneuvering Solutions
C7.1

The C7.1 marine propulsion engine is ideal for recreational boating applications, specifically smaller vessels and motoryachts ranging from 25 -60 feet in size....

Bore
105mm
Stroke
135mm
Displacement
7.01l
You are viewing 9 of 34 products

Marine Power Systems

PRODUCT CATEGORIES

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Cat® Marine Power Systems

Auxiliary Engines

For unique applications requiring a custom approach, Caterpillar marine generator sets provide the power you work with and live by.

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Cat® Marine Power Systems

Generator Sets

Even on a good day, you have enough on your mind without worrying about the reliability of your marine generator sets.

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Cat® Marine Power Systems

Commercial Engines

Industry-leading technology allows Caterpillar to create the most reliable commercial engines for a variety of applications

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Cat® Marine Power Systems

High Performance

Cat® high performance marine engines offer superior performance, propulsion and maneuverability.

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Cat® Marine Power Systems

Controls

The Cat® MPC100 is the new Propulsion Control System solution designed for commercial vessels and yachting.

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