Advanced diesel and natural gas marine engines, a complete line of constant speed marine power generator sets, and partnerships for the latest hybrid, battery electric, and fuel cell options allows Cummins Marine to give you the best power in the industry.
Innovating the next generation of marine engines
You'll find thoughtful design and next-level technology that is good for mariners and the environment across our complete line of propulsion, generator set, and auxiliary power solutions. Our marine power solutions are designed to meet the challenges of commercial, government and recreational marine applications – from high output to light duty.
Power
3200 - 4200 hp
Power
2386 - 3132 kW
Torque
15462 - 17802 lb-ft
Torque
20964 - 24136 N•m
Certification
IMO Tier II
The most-trusted engine power for every marine application
Mariners know best, so they choose the best. We’re here to help you select the right spec for your application — no matter your needs.
Recreational
Trust us to provide fun and power on the water.
Tugboats
Maximize tugging power and maneuverability when it matters most.
Passenger vessels
Ensure a safe, smooth ride with engines rated 250 - 4,200 HP.
Fishing
Trust Cummins to help you keep your fishing operation running smoothly.
Government and defense
Customized solutions for new construction and defense platforms.
Yachting
Power your luxury yacht with classic, dependable power.
Offshore
Reliable solutions to help you transport people and supplies.
Inland
Trust our innovative technology and support to keep moving.
Pilot
Maintain port and harbor operations with pilot boat engines.
The global leader in marine power solutions
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The engine support you need, when you need it
Cummins provides a full range of product resources, warranty coverage, and service and support to further protect your investment.
Marine engines and generators resources
Find a location near you, schedule service or maintenance, or review technical documentation.
PrevenTech Marine
Take the guesswork out of preventative care and service and make efficient decisions by accessing real-time, engine functionality data at your fingertips.
Marine Warranty
Every Cummins marine engine is backed by a comprehensive warranty that is valid and consistent worldwide.
Discover our full suite of marine power solutions
Beyond engines, Cummins offers generator sets that provide the power and propulsion for a range of vessels, as well as accessories to to operate them with ease.
Marine Generator Sets
Every major component of our marine generators operate with complete system harmony for optimal performance and maximum efficiency.
Marine Accessories
Cummins offers premium options to help vessel owners and operators manage operating costs, reduce maintenance, and tailor the engine for a specific application.
Today’s modern diesel engine is an impressive feat of innovation. Cummins Inc. is no stranger to innovation. In fact, the company spends $1 billion annually on research and technology across its product portfolio with 11,000 of the brightest engineers innovating for their customers. Today the company is taking a look at three of the innovations that have shaped the advanced diesel engines that are
Cummins Inc. (NYSE:CMI) announced the 2022 recipients of the company’s most prestigious technical award, the Julius Perr Innovation award. Now in its 23rd year, the award recognizes employees who demonstrated excellence in innovation and technology by developing significant intellectual property for our products. This year’s recipients are Cummins employees Richard Ancimer, Krishna Kamasamudram
Cummins Inc. was invited to appear in Issue 104 of Business Enquirer’s magazine as part of a feature introducing MEO Group’s new CEO, Darren Ang. The British publication covers leading news in business, investing, entrepreneurship, leadership and more. Operating since 1970s, MEO has been providing specialised marine services such as chartering and project solutions to their clientele across Asi
When you think of a machine powered by Cummins, our engines working hand-in-hand with wind power to move a vessel is likely not the first thing that comes to mind. Nevertheless, the Cummins Marine 4.5 engine is on course to set sail next summer powering the sailing superyacht. The vessel is currently under construction in Cape Town, South Africa, and will be ready to house our smallest ma
