Bayside Diesel Service is a father-son owned and run business. We specialize in providing high-quality service for marine diesel engines. We are authorized dealers for MAN, Cummins, and Yanmar engines, as well as Phasor and Onan generators.

For over 20 years, we have concentrated on the sale, service and repowering of marine diesel engines. Our client list is as extensive as our experience. Whether you need a regular filter change or a full repowering, Bayside is the place to go for top-notch service.

We are located in Groton, Connecticut, in the industrial park near the airport.

Home: Welcome

OUR SERVICES

Diesel Engine Sales, Repair, and Repowering

We provide professional, reliable and mobile Diesel Engine Service and Sales

Bayside Diesel is one of the most reputable, full-service diesel engine shops from Maine to New York

DIESEL ENGINE REPOWERING AND EXHAUSTS

Bayside Diesel repowers several engines every year, giving us a satisfied customer base that has grown substantially by word of mouth alone. Our reputation for quality service and follow up makes us the best choice for such an important task.

Learn More

DIESEL ENGINE AND GENERATOR SALES

Bayside Diesel is an authorized dealer for MAN, Cummins, and Yanmar engines. We will take the old engine out, put the new one in, and make sure it is good to go.

We are also authorized dealers for Onan and Phasor generators.

Learn More

Home: Services

DIESEL ENGINE SERVICE

Keeping up with your regular routine engine maintenance is extremely important to keeping your engines running smoothly. We keep almost all parts for routine maintenance stocked in our shop, so we can be ready to get you on the schedule and get the job done.

Learn More