Marine Yachting

Engines designed to power the world's most luxurious yachts.

Governments and commercial operations have trusted the power and reliability of Cummins for more than 100 years, and that same dependability is available for your yachting application. Whether you’re constructing a new vessel or upgrading an existing one, trust Cummins to help you bring luxury to the high seas.


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JUMP TO: Peace of mind | Cummins in action | Sales & service


Peace of mind no matter where the day takes you


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Unmatched reliability.
Our product line is certified to current EPA, IMO and EU regulations.

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Unparalleled support
Connect with our Cummins Care experts online via email, social media or direct chat for 24/7, easy-to-access support.


Unrivaled performance.
Rest assured that Cummins yacht engines will stand up to any challenge—no matter how turbulent the waters.


Our top engines for yachts

Get the power you need to keep your luxury liner cruising along.


QSB6.7 engine


  • In-line, 6-cylinder, 4 stroke diesel
  • 230 - 550 hp
  • Rear engine-mounted water cooled turbocharger from Cummins Turbo Technologies 

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  • In-line, 6-cylinder, 4 stroke diesel
  • 490 - 600 hp
  • High-pressure common rail system provides improved fuel economy

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  • In-line, 6-cylinder, 4 stroke diesel
  • 300 - 715 hp
  • Innovative four-cycle design provides quiet, fuel-efficient operation

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Our line of marine generator sets include Cummins Onan and C Power gensets suitable for a variety of vessels, and all offer the same reliability and durability you’ve come to expect from us.

See our marine gensets


qsb7 generator


  • 50 and 60 Hz models
  • Up to 195 kWe
  • Aluminum sound enclosure, single-side service access, impressive space savings

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Cummins in action

The water has a way of testing the durability of even the toughest marine solutions. See how our yachting solutions perform under pressure.


Luxury Super Yacht Emerald Azzurra

Cruise ships come in all sizes, and at 110 meters, the Emerald Azzurra fits the pocket cruise vessel size. Its main propulsion? A pair of IMO Tier III-compliant QSK60-M engines turning 2350 m/m, five-blade, propellers through marine gears.

Read the case study



Prestige 590

The Prestige 590 is a stylish, comfortable and quiet vacation ride. Designed on a single level with 360º panoramic views, the 18.7-meter megayacht boasts a 20-knot cruising speed with a Cummins QSC8.3 600hp engine beneath the helm. Cummins DockCommand joystick control and 21.5 kW Onan generator sweeten the deal on this beautiful vessel.

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Seacrest Marine

In operation since 1988, Thailand-based Seacrest Marine has an impressive list of international customers. The secret ingredient powering their super-yachts? Cummins.

Read the case study



Integrated innovation



Docking just got a whole lot easier with DockCommand — a single-handed joystick that offers total maneuverability and stress-free docking.

Dock like a boss


Local presence. Global reach.

Through a global network of 500 distributor and 7,500 dealer locations, our far-reaching presence guarantees a face-to-face interaction no matter where you are. Our engines and aftertreatment systems come with a full warranty backed by the power of our service network, ensuring fast access to support and engineering help when you need it.

Case Study Actions

Versatile Harbour Tug with Cummins QSK60


Tug: 3200-HP Ready to Work


Catamaran-Mounted Remote Controlled Net Cleaner


Oscar B: Power in the River Currants


Powerful New ATBs for Vane Bunkering


Big Hours, Little Wear


World’s Leading Manufactures for Russian Tug


Malaysian-Built Fisheries Research Vessel for Bangladesh


Rodriguez Tow Boat For Mid-River


Versatile Tug for Port of Toronto


To view all case studies, click here.
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