Learn how Caterpillar can be your partner on the water with our marine diesel engines & marine generators to keep your vessels running efficiently & profitably.

Caterpillar Marine ensure that you have an engine on board that will work as hard as you do. Select from our wide range of Commercial Propulsion Engines, High Performance Propulsion Engines, Marine Generators, and Auxiliary Engines.

For unique applications requiring a custom approach - Caterpillar marine propulsion engines provide the power you work with and live by. So everything about them is built to help you do your job, whether that means bringing in a catch or cargo, or …

Since 1997, MaK has been the leading provider of premium marine engines and generator sets for customers in the cruise, ferry, cargo, inland waterway, offshore, tug and salvage, fishing, governmental and dredge segments.

Cat® C12 ACERT Diesel Marine Propulsion Engines, with ratings of 669-715 mhp (660-705 bhp) at 2300 rpm, meet IMO II emission standards. The C12 takes full advantage of the electronically controlled unit injection fuel system, resulting in an environmentally friendly engine with outstanding performance and fuel economy.

The C32 marine propulsion engine is available at ratings that meet EPA Tier 3, EPA Tier 4, and IMO II/III, and EU Stage 5 emissions regulations. It has a separate circuit aftercooling system (SCAC) for A through C ratings and a seawater aftercooling system (SWAC) for D and E ratings.

The C7.1 marine propulsion engineis ideal for recreational boating applications, specifically smaller vessels and motoryachts ranging from 25 -60 feet in size. The engine features a common rail fuel system enabling optimum combustion and low emissions. The engines provide noticeably quiet operation due to reduced combustion noise

Caterpillar has decades of experience designing marine engines that set the standard for quality, performance and reliability for cargo vessels and container ships. With innovations like ACERT™ technology, Flexible Camshaft Technology and Caterpillar Common Rail, we provide industry-leading emissions solutions without sacrificing fuel ...

Caterpillar Marine Power Systems ensure that you have an engine on board that will work as hard as you do. Select from our wide range of Commercial Propulsion Engines, High Performance Propulsion Engines, Marine Generators, and Auxiliary Engines.

Get your vessel to port every time, on time, with reliable and efficient Cat ® marine engines. Integrated diesel and dual-fuel options keep your costs low while maintaining productivity.