
Reliable marine engines and generators for a sustainable future
Cummins in action
Get out on the water — and stay there

Featured Engine
B4.5
The B4.5 delivers big power in the smallest marine package for both propulsion and auxiliary applications. Quiet and reliable, the engine is ideal for customers seeking power between 110-250 hp or 76 kW to 186 kW.

Featured Generator
Onan Marine Generators 4kW-65kW
Preferred by boat builders, captains, owners and shipyards, our Onan marine generators deliver clean power in a range of models, including ignition-protected options.

Featured Engine
QSK60
Originally designed for tough commercial marine applications, the reliable power of the QSK60 is now available with both IMO III and Tier 4 certifications.
IMO emission regulations yield 80% NOx decrease
Everything you need to know about why and how emission regulations for marine applications help the environment.
Educating marine students
Learn about the brigantine Matthew Turner, the ship built to the highest sustainability and recycling standards that also teaches students about marine lifestyle and environment.