806 E Main St, Havelock, NC · Authorized Yanmar dealer 24/7 breakdown line: (252) 723-1468

Mobile marine diesel & power systems

We come to
your boat.

Engines, gears, generators and every onboard system, serviced at your own dock. Based in Havelock, NC, working the whole East Coast since 1980.

Technician servicing a marine diesel engine aboard a boat at a marina dock at sunset

What we service

From the 100-hour service to a full repower, on most large and midrange diesels, including their electronic control systems.

  • 01

    Marine engines

    Overhauls, 100-hour periodic service, minor and major service, repowers.

  • 02

    Gears & transmissions

    Marine gear overhauls, periodic service and repair.

  • 03

    Generators & power

    Generator and auxiliary power systems, installed and maintained.

  • 04

    Fuel systems

    Diagnosis, cleaning, repair and new installations.

  • 05

    Electrical, AC & DC

    Periodic service and repair, so the systems keep working year after year.

  • 06

    A/C & comfort

    Marine air conditioning maintenance and new system installs.

  • 07

    Fresh water & heads

    Pressurized freshwater and head systems: repairs, retrofits, new installs.

  • 08

    Hydraulics & ventilation

    Hydraulic and ventilation systems serviced and installed.

Call while you're under way

Heading down the waterway? Call from the boat and we'll have a technician scheduled at your dock when you arrive.

  1. 1. Tell us about the boat

    The engine, what it's doing, and where you'll be docked.

  2. 2. We schedule at your dock

    Planned service or an emergency call, day or night.

  3. 3. A tooled-up tech arrives

    By fully equipped truck, or by our own boat when the vessel is only reachable from the water.

Service area

Wherever you're tied up on the East Coast

The Mid-Atlantic is home water. For longer runs we'll drive or fly to the job.

  • Main shop: Havelock, NC

    806 East Main Street, Havelock, NC 28532

  • Local on-site service

    Beaufort, Morehead City and the surrounding coast.

  • East Coast mobile service

    Mid-Atlantic first, anywhere on the Eastern Seaboard on request.

Marine technician at work beside a boat's engine, service truck parked on the dock behind him

A crew you'll want aboard

Our technicians are polite, non-smoking and clean-spoken, and they'll take their shoes off at your request. Your boat is treated like it's their own.

A-1 is fully insured and happy to give references. Thanks for more than four decades of trust. We look forward to surpassing your expectations.

Find us in the Waterway Guide, Mid-Atlantic edition.

Get your boat running

From winterizing to a full retrofit. Call for the fastest answer.

(252) 723-1468 andrew@a1mds.com
806 East Main Street, Havelock, NC 28532 Breakdowns: 24/7

We'll call you back. For a breakdown, call (252) 723-1468.