Register your engine to take advantage of the benefits of a Caterpillar warranty.Learn More
Caterpillar is the marine industry’s leading provider of medium- and high-speed marine diesel engines, generator sets and auxiliary engines. Manufacturing both the Cat® and MaK™ brands of marine engines, Caterpillar Marine Power Systems is committed to meeting customer requirements regardless of their vessel or location.
With a global customer support network and financial solutions, Caterpillar is committed to making progress possible for global marine customers.
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.Learn More
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.Learn More
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.Learn More
Access the latest application & installation information for the Cat marine 3100-3500 series engines, 3500B engine, and 3600 engine series.Go to A&I Content
Learn from marine customer stories how Cat engines and the dealers who support them have helped our customers in applications all over the world.Learn More
Caterpillar offers a variety of integrated solutions to help you protect your investment, minimize owning and operating costs, and maximize up-time.Learn More
Learn from the experts and get advice from your peers - check out our blogs and online forums.Read our Blogs
The Cat dealer network is always ready to help. Find your dealer and read the latest in electric power service and support.Get in touch today
While superior quality is easy to see, it's over time and throughout your ownership experience that the superior value of Caterpillar really becomes clear.Learn More