Cat Marine Power

Products

Marine Engines & 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.
Marine Generator Sets
3512C

3512C High Displacement Marine Generator Set

Bore
170.0mm
Stroke
215.0mm
Displacement
58.56l
Commercial Propulsion Engines
3512C IMO II

The Cat 3512C marine propulsion engine makes your investment work harder. Through a wide range of available power ratings (including High Displacement ratings),...

Bore
170.0mm
Stroke
190.0mm
Displacement
51.8l
Commercial Propulsion Engines
3512C Tier 3

The 3512C High Displacement marine engines are now available in a wide range of ratings that meet EPA Marine Tier 3 and IMO...

Bore
170.0mm
Stroke
215.0mm
Displacement
58.6l
Auxiliary Engines
3512E

The 3512E marine auxiliary engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO...

Bore
170.0mm
Displacement
58.6l
Stroke
215.0mm
Commercial Propulsion Engines
3512E Tier 4 / IMO III

The 3512E marine propulsion engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO...

Bore
170.0mm
Stroke
215.0mm
Displacement
58.6l
Commercial Propulsion Engines
3516C IMO II

The 3516C propulsion engine is available with a wide range of ratings that meet IMO II regulations without any additional aftertreatment. These...

Bore
215.0mm
Stroke
170.0mm
Displacement
78l
Commercial Propulsion Engines
3516C Tier 3

The 3516C propulsion engine is available with a wide range of ratings that meet EPA Tier 3 and IMO II regulations without any...

Bore
170.0mm
Stroke
215.0mm
Displacement
78.0l
Auxiliary Engines
3516E

The 3516E marine auxiliary engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO...

Stroke
215.0mm
Displacement
78.0l
Bore
170.0mm
Commercial Propulsion Engines
3516E Tier 4 / IMO III

The 3516E marine propulsion engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO...

Bore
170.0mm
Stroke
215.0mm
Displacement
78.0l
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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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