Built for it.

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 for 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.

Download the 2014 Marine Engine Selection Guide



Cat Propulsion Systems

Cat propulsion systems give you an optimized engine, generator, and propulsion package with every part covered and supported globally by Caterpillar.

Learn More


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 engines.

Learn More

Ferry & Cruise

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

Learn More

General Commercial

For a healthy bottom line, Caterpillar Marine offers the broadest horsepower range of dependable engine models in the market, all designed, tested, and proven to reduce your overall costs.

Learn More


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

Learn More


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

Learn More

Pleasure Craft

Cat marine 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

Tug & Salvage

Handle the heaviest loads in the toughest conditions with Cat marine 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


Built for it

When you choose Cat®, you get what you pay for — durable and reliable equipment, and long-lasting relationships.

Learn More
Financing & Insurance

You can count on Cat Financial to provide the best financial solutions, built just for you.

See our Offers
Placeholder image
Marine Engine Selection Guide
Download Now
Connect with Caterpillar Marine

Follow Us
Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
Engine Warranty Registration

We are committed to providing our customers with the finest products and product support available in the market today.

Register Today
CAT® Machine & Product Stories

Learn how customers all over the world are using Cat® products to do great things.

Learn More