Marine Diesel Engine Service & Repower
Saunders Yachtworks provides comprehensive service for marine diesel engines, transmissions, gears and generators, from routine maintenance and troubleshooting to major overhauls and repowers.
As an authorized service center for Caterpillar (CAT), Cummins, MAN, MTU and Volvo marine engines, Saunders technicians receive ongoing factory training and have access to genuine parts and technical support. Backed by more than 65 years of diesel service experience, our certified mechanics provide expert maintenance and repair at our Gulf Shores boatyard and are available for field service 24 hours a day, seven days a week.
Marine Diesel Service & Repair
From routine maintenance and diagnostics to major repairs and overhauls, our diesel team has the training, experience and resources to keep your vessel operating reliably.
Our capabilities include:
- Engine diagnostics and troubleshooting
- Preventive maintenance and repair
- Major engine overhauls
- Transmission and gear service
- Generator service and repair
- Engine, transmission and generator replacement
- Field service
Engines We Service
Caterpillar | Cummins | MAN | MTU | Volvo
Our technicians also service and repair a wide range of marine transmissions, gears and generators, including equipment from Northern Lights, Onan, Twin Disc, and ZF.
Marine Engine Repower
Saunders specializes in complete marine diesel repowers, from engine selection and project engineering to installation and sea trial.
With mechanical, fabrication, electrical and vessel systems capabilities in-house, we can coordinate every aspect of a repower under one roof. Our team provides support from initial planning and product selection through installation and after-sale service.
Marine Diesel Field Service
Fully equipped service vehicles allow our technicians to provide mobile dockside marine diesel service throughout the Gulf Coast. Our certified mechanics can also travel domestically and internationally to service vessels wherever they are docked.

Need Diesel Service?
Whether you need routine maintenance, troubleshooting, an overhaul, field service or a complete repower, tell us about your vessel and the work you need.











