Skip links
Contact Us
Marine Propulsion

Diesel Engine Sales and Service

Certified Dealers for MAN, Yanmar, Cummins, Beta, and FPT Engines

Reliable diesel engine performance is essential for safe and dependable boating, especially in demanding coastal environments. At Marine Propulsion, we provide professional diesel engine sales and service for boat owners throughout Charleston and the surrounding coastal communities. With decades of marine industry experience, our team is committed to helping customers maintain efficient, dependable propulsion systems through expert diagnostics, maintenance, repairs, and engine support services tailored to the needs of each vessel.

Marine diesel engines operate under extreme conditions and require specialized knowledge to maintain peak performance and long-term reliability. Whether your vessel needs routine service, troubleshooting, repairs, or a complete engine replacement, our experienced marine mechanics have the training and hands-on expertise to deliver quality workmanship and dependable results. We work with recreational boaters, fishing vessels, cruisers, and yachts to help ensure reliable operation both offshore and at the dock.

Schedule Appointment

Comprehensive Diesel Engine Diagnostics

Accurately identifying engine problems is critical to preventing larger mechanical failures and minimizing costly downtime. At Marine Propulsion, we utilize proven diagnostic procedures and years of marine engine experience to identify performance issues affecting diesel engines of many sizes and configurations. Our technicians carefully evaluate engine performance, fuel systems, cooling systems, exhaust components, and electrical connections to determine the source of mechanical concerns.

Whether your vessel is experiencing hard starting, excessive smoke, overheating, power loss, vibration, or unusual engine noise, our team is prepared to provide dependable troubleshooting and repair solutions. Early diagnosis and maintenance can often prevent more extensive damage while improving the overall efficiency and reliability of your engine system.

Routine Maintenance and Preventative Service

Regular maintenance is one of the most important investments boat owners can make to extend the life of their diesel engines. Marine Propulsion offers preventative diesel engine service designed to help vessels operate efficiently and reduce the risk of unexpected mechanical failures on the water.

Our maintenance services may include fluid changes, filter replacement, cooling system inspections, belt and hose evaluations, fuel system service, and overall engine performance checks. By maintaining proper service intervals and addressing wear early, boat owners can improve reliability, maximize fuel efficiency, and reduce long-term repair costs.

Professional Diesel Engine Repairs

When engine problems occur, Marine Propulsion provides professional repair services backed by decades of hands-on marine mechanical experience. Our technicians are skilled in repairing a wide range of diesel engine issues, from fuel delivery problems and cooling system failures to electrical malfunctions and major mechanical repairs.

We understand how important dependable engine performance is for safe boating, and our team works efficiently to restore your vessel’s reliability while maintaining high standards of workmanship and attention to detail. Our goal is to provide effective repair solutions that support long-term engine performance and dependable operation on the water.

Marine Engine Replacement and Repower Solutions

In some situations, replacing or repowering an aging engine may provide better long-term value and performance than repeated repairs. Marine Propulsion offers diesel engine sales and repower services for customers seeking improved reliability, fuel efficiency, and modern engine technology for their vessels.

Our experienced team assists boat owners throughout the repower process, from evaluating engine options and compatibility to installation and system integration. We focus on helping customers select practical engine solutions that align with the vessel’s performance goals, intended use, and long-term maintenance needs.

Trusted Marine Mechanical Service Since 1993

Since 1993, Marine Propulsion has proudly served the Charleston boating community with dependable marine mechanical repair and customer-focused service. Located just south of Charleston in Rockville, our full-service marine facility supports boat owners with diesel engine service, generator repair, transmission work, electrical troubleshooting, fiberglass repair, and complete boatyard solutions.

Our experienced marine technicians understand the demands of Lowcountry boating conditions and remain committed to delivering honest communication, quality workmanship, and reliable marine service for every customer. If your vessel requires professional diesel engine sales, maintenance, diagnostics, or repair services, Marine Propulsion is ready to help keep you operating confidently on the water.

Call Now!