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Generator Service & Repair in Jacksonville, FL for Yachts & Larger Boats (2026)

Keeping a generator running reliably is non-negotiable on larger boats and yachts, where onboard power supports everything from navigation to climate control. This list highlights the top-rated Generator Service & Repair contractors in Jacksonville, FL, ranked by experience, specialties, and verified reviews. If your vessel is due for a generator tune-up, repair, or inspection, request a free estimate from a qualified local pro today.

By Boatwork in Jacksonville, FL·10 pros·1109 lists by this author·June 9, 2026·Updated July 31, 2026
10 pros
Dieselogic logo

Dieselogic

4.5(987)
(904) 786-7402Jacksonville, FLGet Directions
Jacksonville, FLBoat Mechanics & Engine RepairGenerator Service & Repair

About Dieselogic

Operating from Jacksonville, Florida since 1968, Dieselogic has established itself as a specialized supplier of diesel fuel system components with over five decades of engineering expertise. While primarily known for their work with heavy-duty trucks and equipment featuring Powerstroke, Cummins, and Duramax engines, their extensive catalog of diesel injectors, fuel...

What others are saying about Dieselogic

The reviews paint a picture of a business known for diesel engine expertise, particularly with injectors, turbos, and injection pumps. On the customer service front, most praise their knowledgeable staff who provide honest recommendations without ups...

Reviews sourced from Google

My ThoughtsDieselogic brings 58+ years of experience in Boat Mechanics & Engine Repair and Generator Service & Repair, backed by a 4.5-star rating across nearly 1,000 reviews — one of the most established shops in the Jacksonville area.
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6 Piston Diesel Repair logo

6 Piston Diesel Repair

4.7(29)
(904) 910-2965Jacksonville, FLGet Directions
Jacksonville, FLBoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About 6 Piston Diesel Repair

Specializing in marine diesel engine repair and maintenance, 6 Piston Diesel Repair brings dedicated expertise to boat owners and vessel operators throughout the Jacksonville, Florida region. The company focuses specifically on diesel engine systems, offering comprehensive diagnostic, repair, and maintenance services for marine powerplants. Their technical knowledge spans the complex...

What others are saying about 6 Piston Diesel Repair

Customers repeatedly praise 6 Piston Diesel Repair for their exceptional diesel expertise and genuine commitment to getting drivers back on the road quickly. The reviews make clear that this is a shop that goes above and beyond, with multiple stories...

Reviews sourced from Google

My Thoughts6 Piston Diesel Repair covers Generator Service & Repair, Boat Mechanics & Engine Repair, and Boat Repair & Maintenance, earning a 4.7-star rating from 29 reviews in just 2+ years of operation.
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Florida Fuel Polishing logo

Florida Fuel Polishing

4.5(22)
904-767-1103Jacksonville, FLGet Directions
Jacksonville, FLFuel PolishingGenerator Service & RepairBoat Repair & Maintenance

About Florida Fuel Polishing

Serving boat owners, marinas, and vessel operators throughout the Jacksonville area and beyond, Florida Fuel Polishing has established itself as a specialized provider of mobile fuel polishing and tank cleaning services for the marine industry. Their focus on complete on-site service delivery means they bring professional-grade equipment directly to vessels,...

What others are saying about Florida Fuel Polishing

Reading through the feedback, one pattern emerges: Florida Fuel Polishing consistently delivers professional, responsive service that saves boat owners from major headaches. Reviewers describe them as going above and beyond, with multiple customers p...

Reviews sourced from Google

My ThoughtsFlorida Fuel Polishing pairs Generator Service & Repair with Fuel Polishing — a useful combination for larger vessels with high-capacity tanks — and holds a 4.5-star rating from 23 reviews over 11+ years in business.
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CS

Cummins Sales and Service

3.9(62)
(904) 378-1902Jacksonville, FLGet Directions
Jacksonville, FLBoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About Cummins Sales and Service

Operating in the marine engine industry for decades, Cummins Sales and Service has established itself as a critical resource for boat owners and marine professionals throughout the Jacksonville, Florida region. The business specializes in the distribution, maintenance, and repair of Cummins marine diesel engines, which power everything from recreational cruisers...

What others are saying about Cummins Sales and Service

The reviews paint a picture of a business known for its mixed performance across different service areas. On the technical expertise front, customers consistently praise their knowledgeable technicians and quality diesel engine and generator work, wi...

Reviews sourced from Google

My ThoughtsCummins Sales and Service specializes in Boat Mechanics & Engine Repair, Generator Service & Repair, and Boat Repair & Maintenance, with 62 reviews on file and a 3.9-star rating.
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Local Electric logo

Local Electric

5.0(10)
(904) 339-5229Jacksonville, FLGet Directions
Jacksonville, FLMarine Electrical & ElectronicsGenerator Service & Repair

About Local Electric

Serving the Mandarin area and greater Jacksonville region, Local Electric brings specialized electrical expertise to marine vessels and waterfront properties throughout Northeast Florida. Founded by Ian Felver, the business has established itself as a reliable resource for boat owners and marina operators who need skilled electrical work performed to marine...

What others are saying about Local Electric

Customers repeatedly praise Local Electric for their versatility, handling everything from simple garage outlets to complex smart home systems and marine electrical work. Whether you need dock electrical repairs, outdoor lighting installation, or spe...

Reviews sourced from Google

My ThoughtsLocal Electric focuses on Marine Electrical & Electronics alongside Generator Service & Repair, holding a perfect 5.0-star rating from 10 reviews on Boatwork.
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NF

North Florida Marine Systems

4.0(23)
(904) 743-3692Jacksonville, FLGet Directions
Jacksonville, FLBoat Mechanics & Engine RepairGenerator Service & RepairMarine AC & Climate Control

About North Florida Marine Systems

Operating from their Jacksonville facility, North Florida Marine Systems has established itself as a trusted mobile marine service provider throughout North Florida's waterways and marinas. With over 15 years of hands-on experience serving the region's boating community, the company has built a solid reputation among local marina operators and vessel...

What others are saying about North Florida Marine Systems

Across the reviews, North Florida Marine Systems earns recognition for Angel's comprehensive marine expertise spanning diesel engines, AC systems, water pumps, and emergency repairs. On the service delivery front, many customers praise their responsi...

Reviews sourced from Google

My ThoughtsNorth Florida Marine Systems handles Generator Service & Repair, Boat Mechanics & Engine Repair, and Marine AC & Climate Control — a broad scope for larger vessels — rated 4.0 stars across 23 reviews.
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DEUTZ Power Center Florida (North) logo

DEUTZ Power Center Florida (North)

4.9(16)
+1-833-338-8901Jacksonville, FLGet Directions
Jacksonville, FLBoat Mechanics & Engine RepairGenerator Service & RepairYacht Engineering & Systems

About DEUTZ Power Center Florida (North)

Serving Jacksonville and the broader North Florida region, DEUTZ Power Center Florida (North) delivers specialized equipment maintenance and repair services with a focus on DEUTZ engines and power systems across multiple industrial sectors. This facility operates as part of a nationwide network of authorized DEUTZ service centers, bringing factory-trained expertise...

What others are saying about DEUTZ Power Center Florida (North)

Across the reviews, DEUTZ Power Center Florida (North) earns recognition for exceptional staff expertise and customer service, with multiple customers praising team members like Manny, Pete, and Luis for their deep product knowledge and willingness t...

Reviews sourced from Google

My ThoughtsDEUTZ Power Center Florida (North) lists Yacht Engineering & Systems and Marine Project Management among its specialties alongside Generator Service & Repair, and carries a 4.9-star rating from 16 reviews.
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Florida Detroit Diesel-Allison logo

Florida Detroit Diesel-Allison

3.6(15)
(904) 737-7330Jacksonville, FLGet Directions
Jacksonville, FLBoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About Florida Detroit Diesel-Allison

For over 60 years, Florida Detroit Diesel-Allison (FDDA) has delivered comprehensive power solutions across marine, industrial, on-highway, and power generation sectors throughout Florida and the southeastern United States. With more than 250 employees—including over 120 skilled technicians—operating from ten strategically located facilities, the business has established itself as one of...

What others are saying about Florida Detroit Diesel-Allison

Reviewers consistently highlight Florida Detroit Diesel-Allison's deep technical expertise, particularly with vintage Detroit engines from the 1970s and 80s that few shops will service. From marine applications to power generation and off-highway equ...

Reviews sourced from Google

My ThoughtsFlorida Detroit Diesel-Allison covers Generator Service & Repair, Boat Mechanics & Engine Repair, and Boat Repair & Maintenance, with a 3.6-star rating from 15 reviews on Boatwork.
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TE

True Electric

5.0(47)
904-868-8783Jacksonville, FLGet Directions
Jacksonville, FLMarine Electrical & ElectronicsGenerator Service & Repair

About True Electric

Serving the Jacksonville, Florida area, True Electric brings comprehensive electrical solutions to residential and commercial properties throughout Northeast Florida. With a focus on reliability and quality workmanship, this locally-operated electrical contracting firm has built its reputation on delivering professional service across a diverse range of electrical projects. Their team of...

What others are saying about True Electric

A common theme in the reviews is True Electric's exceptional responsiveness and clear communication throughout every project. The reviews make clear that Steven and his team consistently deliver prompt, professional service while taking time to expla...

Reviews sourced from Google

My ThoughtsTrue Electric specializes in Marine Electrical & Electronics and Generator Service & Repair, earning a 5.0-star rating from 47 reviews — the strongest review volume among the perfect-rated contractors on this list.
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Next Generation Power Engineering logo

Next Generation Power Engineering

5.0(7)
904-642-8555Jacksonville, FLGet Directions
Jacksonville, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Next Generation Power Engineering

Specializing in innovative marine and industrial power solutions, Next Generation Power Engineering has been manufacturing and supplying high-performance generators, compressors, and combination units for over 20 years. Based in Jacksonville, Florida, this company has built a reputation for engineering ultra-compact, diesel-powered systems that deliver reliable performance in demanding marine and...

What others are saying about Next Generation Power Engineering

What stands out most across reviews is Next Generation Power Engineering's exceptional customer service and technical support for their marine generators. The reviews make clear that their team, particularly Ken, consistently goes above and beyond to...

Reviews sourced from Google

My ThoughtsNext Generation Power Engineering combines Marine Electrical & Electronics, Boat Mechanics & Engine Repair, and Generator Service & Repair, with a 5.0-star rating from 7 reviews — newer to Boatwork but off to a strong start.
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