Diesel Engine Restoration When your engine is old and worn beyond regular repairs, consider a Diesel Engine Restoration, or rebuild with RPM! This process si also referred to as a rebuild or an overhaul. RPM Diesel Engine Co offers overhaul services to rebuild your engine, as well as many others for your diesel equipment. In fact, RPM Diesel has spent the past sixty-four years building a reputation as the most reliable and knowledgeable diesel repair and maintenance shop on this side of the United States. That’s right, we have been working with diesel engines since 1956! Your marine vessel or boat is powered at its…