Certified full-service dealer for Cummins, MAN, Yanmar & Scania marine engines, ZF & Twin Disc Transmissions, and Onan & Northern Lights generators.

Marine Parts Provider (MPP) for Caterpillar Marine.

  • Marine Diesel Inc. | Cummins
  • Marine Diesel Inc. | Cat Marine Power
  • Marine Diesel Inc. | ZF Friedrichshafen AG


Marine Diesel Inc. is based in Charleston, SC and provides quality local, national, and global marine diesel engine repair and services. We have experience with all phases of your marine diesel engine, engine controls, marine transmissions and generator repair. Owner/Operator, Tony Godwin, is known worldwide for both his professionalism and expertise.

  • Marine Diesel Inc. | Licensed & Insured
  • Marine Diesel Inc. | Certified In Laser Propeller Shaft Alignment
  • Marine Diesel Inc. | Twin Disc & ZF Transmissions
  • Marine Diesel Inc. | Engine Surveys
  • Marine Diesel Inc. | Competitive Rates
  • Marine Diesel Inc. | Written Estimates


Marine engines work in a very dynamic environment under much different load conditions than other engines & the demands put upon them are high. A high performance diesel engine is the perfect workhorse for your marine vessels & a well-maintained diesel engine should last for the life of your boat.

 However, even with regular maintenance, repairs are often a necessity. And when you need them, trust and reliability are critical. Our goal is to ensure you receive the best service in the business by providing high quality workmanship in a professional and timely manner. We are the destination for all of your diesel repair needs. Contact us today to learn more about our services.



Standard Labor - $165.00 per hour

Standard Travel Time - $135.00 per hour

Overtime Labor - $247.50 per hour

Helper Travel Time - $80.00 per hour

Helper Standard Labor - $95.00 per hour

Mileage - $3.00 per mile

Helper Overtime Labor - $142.50 per hour

Laser Fee - $350.00 per day plus parts & labor


HOURS: All hours are billed from time technician starts to prep for a job until all work and paperwork is complete. Our standard time is billed 8 - 5 Monday - Friday. Any work performed before 8:00 am, after 5:00 pm, on weekends will be billed at overtime rate.

*Holidays and Sundays are double the standard rates.

TRAVEL: Travel expenses billed at cost to customer. Whenever multiple boats are involved in a trip, every effort will be made to split travel time and expenses fairly.

PARTS: Returned parts subject to a 15% restocking fee. No returns on electrical or special order parts. Special order parts subject to deposit. Parts warranty covered by the original manufacturer's warranty policy.


PHONE: 843-377-1914

FAX: 843-614-6435

3575 Meeting Street Road, Charleston, SC 29405

P.O. Box 71488 Charleston, SC 29415

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