The Caterpillar product line has marine engines from 93 to 5,660 bkW (125 to 7,577 bhp), auxiliary engines from 162 to 5,420 bkW (253 to 7,268 bhp), and generator sets from 11 to 5,200 ekW.  The MaK product line offers propulsion and generator set engines in a power range from 1,020 to 16,000 KW

Marine Engines and Power Systems

Find Cat and MaK Marine Engines for Your Marine Applications

With the best service network in the industry, you are always connected with an expert. Our global service network means you'll get the support for your marine engines and power systems when you need it.
With the best service network in the industry, you are always connected with an expert. Our global service network means you'll get the support for your marine engines and power systems when you need it.
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Download your copy of the Marine Engine Selection Guide, your one safe source for all Cat and MaK product information!
Download your copy of the Marine Engine Selection Guide, your one safe source for all Cat and MaK product information!
» Download

Marine Engine forum and chat.

Visit Caterpillar's new customer forum!

Caterpillar has launched a marine engine online community where marine professionals can exchange information, find answers and get expert advice from industry peers. This is a great opportunity for active communication - so join the discussion now!

Caterpillar Marine YouTube Videos

View Caterpillar Marine engine videos on YouTube!

Learn more about Caterpillar's expansive offerings for the global marine engine industry through a series of videos posted on YouTube. Including customer testimonials, product overviews and manufacturing facility tours. These videos provide more information regarding Cat and MaK products and services.

Cat Marine Engines in Hamburg

Check out what's happening in Hamburg!

The webcam shows the view from Caterpillar Marine Power Systems' global headquarters in Hamburg, Germany, towards Elbe River, tug pier and Burchardkai Container Terminal. You will see various vessels passing by, many of which are powered by Cat or MaK marine engines.