Vetus M2.D5 Marine Engine

The Vetus M2.D5 marine engine is a compact and reliable diesel propulsion system designed for small recreational vessels, sailboats, and auxiliary craft that require efficient, durable, and dependable power. Part of Vetus’ proven M-series range, the M2.D5 combines robust mechanical construction with modern marine engineering to deliver smooth operation, fuel efficiency, and long service life.

At the core of the M2.D5 is a 2-cylinder, 4-stroke diesel engine with a displacement of approximately 0.5 liters. Despite its small footprint, the engine delivers around 9 to 10 horsepower, providing sufficient torque for displacement hulls, small cruisers, and sailboat auxiliary propulsion. The naturally aspirated design, combined with precision fuel injection, ensures efficient combustion, smooth low-RPM performance, and reliable operation under varying load conditions.

The engine is adapted for marine use with a freshwater cooling system and integrated heat exchanger, protecting internal components from corrosion while maintaining stable operating temperatures in both freshwater and saltwater environments. Its compact and lightweight construction allows for easy installation in tight engine compartments, ideal for small boats or repowering older vessels.

Durability and serviceability are key strengths of the M2.D5. Heavy-duty components and robust engineering ensure long-term reliability during continuous operation. Service points are conveniently located for onboard maintenance, and the engine’s simple mechanical design minimizes electronic complexity, making routine servicing and troubleshooting straightforward. The engine can be paired with compatible marine transmissions or saildrives, providing flexibility for a variety of propulsion setups.

Ideal for small sailboats, tenders, and auxiliary vessels, the Vetus M2.D5 Marine Engine offers a dependable combination of compact size, fuel efficiency, smooth operation, and long-term durability. Its proven engineering ensures confident and reliable auxiliary propulsion for recreational and light commercial marine applications.