McKay Diesel has been a leader in diesel sales and repair for over 40 years. McKay Marine Diesel offer a complete line of propulsion; generating and auxiliary power solutions designed specifically for commercial marine, commercial and industrial applications. McKay Marine Diesel specializes in Cummins® engines; which offer high reliability, fuel efficiency, and remain consistently strong through thousands of hours of use. Cummins® engines are the highest quality product with proven technology you can trust. McKay Marine is a performance driven company that offers the highest quality, decades of experience, and unmatched service.