Find Marine Diesel Repair Pros in Plainfield

24 Hour Boat Repair provides Actual Mobile Marine Mechanics to your location throughout the Great Lakes and Midwest 7 days per week.

IN INDIANA, ILLINOIS, OH and KY from the Great Lakes to the Ohio River to the Tennessee River, Chicago, Cleveland, Louisville, Cincinnati yes to all of that! We offer Onsite Repairs for Great Loop Boaters 7 days per week anywhere you need assistance.

We have 4 service trucks and a service boat to come to you by land or water. We have an A++ rated Marine Contractors $2mil commercial liability insurance policy to work in any marina or boatyard.

We service the entire Midwest 7 days per week

Our service trucks come directly to your house or marina. We service the entire Midwest and East Coast for Hi Performance Gas Engines all brand of Diesel Engines Electronics Electrical Generators Air conditioning hydraulics maintenance and repairs

We service and repair all gas and diesel engines, electric, electronics, air conditioning, hydraulic systems, charging systems and generators.

Preventive maintenance, upgrade projects and breakdown repairs.

Cat Cummins MAN MTU Volvo Detroit Yanmar and Mercruiser
For in water repairs
Our service boat can respond to your location for on site repair and delivery of fuel, batteries etc...
Now Servicing Lake Cumberland for 2026!
24 Hour Boat Repair Services by Actual Mobile Marine Mechanics offers Mobile Marine Mechanics Service Trucks that travel to your location 7 days per week for expert 24 Hour Boat Repairs and mobile marine mechanic services at your boat's location in the Midwest, along the East Coast and throughout the Gulf and Florida.

Our factory trained certified technicians handle routine maintenance, engine repairs (gas and diesel), electrical work, AC/refrigeration service, and custom upgrades.

We service all Mercruiser Cat Cummins Detroit MAN MTU Deere Volvo Yanmar Perkins Engines for maintenance and repairs. Also can perform new engine installations and repower projects with our crane truck.

Choosing us provides convenience by eliminating the need for trailering, extensive service areas including major waterways, and certified expertise in diesel engines, marine electronics, and more. We are committed to reliable service and maximizing your time on the water.

Our services include diesel engine maintenance and repair, marine electrical and electronics diagnostics and installation, AC/refrigeration service, and custom upgrades like thrusters and solar power.

Larsen Marine is a 16-acre boatyard and full-service marine facility, making it one of the THREE LARGEST ON THE WESTERN SHORE OF LAKE MICHIGAN. Today, Larsen Marine is one of the largest and best-equipped service facilities in the Great Lakes and fully prepared to work with skippers of both sail and powerboats. Larsen Marine provides secure off-season storage for 750 boats. We offer state-of-the-art heated mast storage, shrink wrapping, outdoor, indoor, and indoor heated storage as well as dry-stack storage for powerboats up to 26'. Our modern boating store and parts department are completely stocked and expertly staffed to fill the needs of both power and sailboat owners for every season.

Rentner marine is a small family business, which was started by our grandfather Paul E. Rentner II. and his brother Conrad In 1941. We offer a variety of services from fiberglass repair to a simple detail inside and out. Mechanical service is our specialty. We service nearly every marine engine or generator.

Skyway Yacht Works is located on the Calumet Ship Canal a little over a mile off of Lake Michigan on the southeast side of Chicago. With only 3 bridges to navigate, the trip to and from the yard is a snap. At 12 miles from Monroe and Dusable harbors, the trip can be made in an afternoon in a sailboat and about 40 minutes in a motorboat. With a private slip off the Calumet, your boat is protected from ship traffic and the Skyway Bridge makes an excellent landmark. We offer heated storage and outside storage. For sailboats, there is no reason to step your mast, since the bridges all open and they open on demand 24-7-365. We are a family operation and have been from the beginning. We are Yanmar dealers, Kohler generator dealers, Certified Pettit applicators, and have extensive experience in diesel engine systems and Mercruiser drive assemblies. Being a small yard, we can be and are very responsive to customer requests with little or no notice. We have the ability to stop, drop, and roll in the event of an emergency or urgent work requests, such as an upcoming regatta or family vacation.