Contact us today877.688.6812

Contact us today877.688.6812

After Hours Construction / Truck Service: (800) 952-7767

After Hours Power Service: (877) 891-4181

After Hours Power Rental: (800) 736-8121

Marine Engines

Don’t compromise. You need reliable marine engine power.

At Patten Cat, we offer a world-class product line of high-speed and medium-speed marine engines for commercial, ocean-going and pleasure craft marine power systems applications. This allows us to offer power solutions for the output range of 11 kW - 16,000 kW, main propulsion, and onboard power supply, including emergency generator sets, single or multi-engine plants and complete propulsion systems. 

Caterpillar® is the marine industry's leading provider of medium and high-speed diesel propulsion, generator sets and auxiliary engines. Manufacturing both the Cat and MaK brands for marine engines, Caterpillar Marine Power Systems serve three key markets:

Products that will exceed your expectations for decades

Engine uptime is critical for you, your crew, your clients and your bottom line. That's why Cat and MaK propulsion engines power your vessel to any port. The industry's largest range of engines provide the reliability you need. Caterpillar Marine Power Systems ensure that you have an engine on board that will work as hard as you do.

Altorfer, Inc. Logo

Altorfer, Inc. is proud to announce the acquisition of Patten Cat effective May 9, 2018. We look forward to supporting all your equipment and product support needs by providing the quality products and excellent service that you have come to expect from the Caterpillar family. Please be aware that the Patten Cat website will close soon and all traffic will be pointed to Thank you for giving us the opportunity to partner together with you for continued success.