Cat© Diesel Engines

No matter what kind of equipment you build, there’s a Cat diesel engine to fit your needs. Cat diesels cover the widest power range in the industry, from 10 to 6598 bhp (8 to 4920 bkW). Our 3600 Family of large-bore diesels offer heavy fuel capability. Learn about Cat diesel engine families here. Then follow the links to view or download specifications on models of interest.


Every Cat marine engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed marine engines for commercial, ocean-going and pleasure craft marine power systems applications 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 Marine Power 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 serves three key markets:

  1. Pleasure Craft: Production Yachts, Mega Yachts and Sport Fishing Boats
  2. Commercial: Workboats, Commercial Fishing Boats, Offshore Supply Vessels and Governmental Vessels
  3. Ocean-Going: Container Vessels, Tankers, Ferries and Cruise Ships