Caterpillar Marine

Marine Diesel Engines and Generators

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Marine

From marine diesel engines and generator sets to technology solutions, Caterpillar Marine is your partner on the water — backed by the worldwide dealer support network.

For clean, reliable power, choose from our broad product lineup that includes marine diesel and dual fuel propulsion engines, auxiliary engines, marine generator sets and complete fuel gas handling systems. And our technology-enabled solutions keep your vessels running safely, efficiently and profitably.

Download the Marine Power Solutions Guide
Discover why Caterpillar Marine customers like Harley Marine Services say EPA Tier 4 Final engines with SCR technology are the better choice, by far.

INDUSTRIES

 

OFFSHORE

Offshore Marine Engines

Rely on nonstop power, even during your toughest days at sea. That’s our main priority for offshore operations: ZERO downtime.

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TUG AND SALVAGE

Tug & Salvage Marine Engines

Handle the heaviest loads in the toughest conditions with Cat marine diesel engines. Whether in the harbor or at your terminal, our dependable high-speed engines will help give you all the bollard pull you need.

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GOVERNMENTAL

Governemental Marine Engines

The safety of your fleet and your crew is critical, so we are with you wherever you are and whatever your mission.

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RECREATIONAL BOATING & YACHTING

Pleasure Craft Marine Engines

Cat marine diesel engines set the standard for quality, performance and reliability. Throughout the power range, Cat engines have the power not just to accelerate, but to exhilarate.

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INLAND WATERWAY

Inland Waterway Marine Engines

See how Cat engines can keep inland cargo vessels moving in any application.

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FISHING

Fishing Marine Engines

Caterpillar offers the industry’s best range of engines and power solutions for fishing vessels.

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CARGO

Cargo Marine Engines

Get your vessel to its destination on time, every time. Meet your deadline and your bottom line with reliable and efficient Cat and MaK marine diesel engines.

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FERRY AND CRUISE

Ferry & Cruise Marine Engines

Your passengers can count on you to get them where they’re going on time, every time. Tested and proven, Cat and MaK diesel engines keep your costs low with dual fuel options while maintaining clean, quiet comfort.

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DREDGE

Dredge Marine Engines

Keep your vessels running and your waterways clear with Cat engines and power solutions for dredging.

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Cat® Asset Intelligence

Cat® Asset Intelligence

Cat Asset Intelligence enables you to improve on the most critical aspects of your operations with advanced analytics.

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EMISSIONS AND ALTERNATIVE FUELS

Emissions and Alternative Fuels

Caterpillar is committed to providing equipment that meets the world’s most stringent emissions standards, as well as the use of alternative fuels.

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Marine Power Solutions Guide

Marine Power Solutions Guide

Get the detailed specifications of Caterpillar Marine solutions needed for your projects right at your fingertips.

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MARINE PRODUCT SUPPORT

Marine Product Support

No matter where you go in the world, Caterpillar and Cat dealers are there with the parts and expertise to keep your engine running.

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FIND YOUR MaK™ DEALER

Find your MaK Dealer

Your MaK dealer is committed to maximizing your success, helping you get the most out of your operations with site-level solutions, service and support.

Talk To Your MaK Dealer

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Talk to your Dealer

Need help determining which product meets your needs? Your Cat dealer can help you find the right model and ensure that your equipment is operating correctly to help you get the job done.

Talk to Your Dealer

Marine Engine Application & Installation Literature

Access the latest application & installation information for the Cat marine 3100-3500 series engines, 3500B engine, and 3600 engine series.

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ENGINE WARRANTY REGISTRATION

Register your engine to take advantage of the benefits of a Caterpillar warranty.

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PRODUCTS

 

Commercial Propulsion Engines
Commercial Propulsion Engines
Commercial Propulsion Engines
High Performance Propulsion and Maneuvering Solutions
High Performance Propulsion and Maneuvering Solutions
High Performance Propulsion and Maneuvering Solutions
Marine Generator Sets
Marine Generator Sets
Marine Generator Sets
Auxiliary Engines
Auxiliary Engines
Auxiliary Engines
A Century On The Water. Four Decades With Caterpillar

A Century On The Water. Four Decades With Caterpillar

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Commercial Vessel Financing

With 22 years of experience in marine lending, our commitment to your success is long term

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Optimism and New Building in the Ferry Segment

Optimism and New Building in the Ferry Segment

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Cat® Forums

Connect with experts and get advice from your peers in our online community.

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Cat® Dealers Make the Difference

Your Cat dealer is committed to maximizing your success, helping you get the most out of your operations with site-level solutions, service and support.

Connect with your dealer today

The Power of Cat® Equipment

While superior quality is easy to see, it's over time and throughout your equipment ownership experience that the superior value of Caterpillar really becomes clear.

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Marine News

Read the latest Marine news here.

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