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Best Generator Service & Repair in Miami, FL (2026)

When it comes to Generator Service & Repair in Miami, FL, owner feedback is one of the strongest signals you can use to find a reliable pro. This list surfaces the local contractors who've earned the most reviews on Boatwork — giving you a real-world look at who other boat owners have trusted and rated. Browse the rankings below and request a free quote from the pro that fits your needs.

By Boatwork in Miami, FL·10 pros·1107 lists by this author·June 7, 2026·Updated July 3, 2026
10 pros
Diesel Pro Power logo

Diesel Pro Power

4.9(801)
1-888-433-4735Miami, FLGet Directions
Miami, FLBoat Mechanics & Engine RepairGenerator Service & RepairMarine Plumbing & Sanitation

About Diesel Pro Power

Specializing in diesel engine parts for marine and industrial applications, Diesel Pro Power has built a reputation as a comprehensive supplier serving boat owners, yacht operators, and marine professionals worldwide. Based in Miami, Florida, the company maintains an extensive warehouse inventory that ensures parts availability for Detroit Diesel, Cummins, Caterpillar,...

What others are saying about Diesel Pro Power

Reading through the feedback, one pattern emerges: Diesel Pro Power has built their reputation on exceptional customer service that goes far beyond just selling parts. Their team, particularly Luis and Dylan, consistently delivers fast shipping, know...

Reviews sourced from Google

My ThoughtsBacked by 801 reviews and a 4.9-star rating, Diesel Pro Power has more owner feedback than any other generator service pro on this list — covering engine repair and marine plumbing alongside generator work.
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Miami Marine logo

Miami Marine

5.0(18)
305-209-2002Miami, FLGet Directions
Miami, FLBoat Mechanics & Engine RepairBoat Detailing & CleaningMarine Electrical & Electronics

About Miami Marine

Situated in Miami's historic boatyard district along the Miami River, Miami Marine has earned a spotless 5-star Google rating through meticulous workmanship and a reputation for responding to emergency repairs—even on holidays. The facility at 1270 NW 11th Street serves as a full-service maintenance and repair hub for vessel owners...

What others are saying about Miami Marine

From marine diesel engine service to windlass repairs and yacht maintenance on luxury vessels like Azimuts and Leopards, reviewers highlight Miami Marine's comprehensive expertise across all aspects of vessel maintenance. Led by Frank, the team handl...

Reviews sourced from Google

My ThoughtsMiami Marine holds a 5.0-star rating across 18 reviews, with owners noting their range of services including marine electrical, detailing, and generator repair.
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Yanmarine Power Systems logo

Yanmarine Power Systems

5.0(15)
(786) 615-7212Miami, FLGet Directions
Miami, FLBoat Mechanics & Engine RepairGenerator Service & RepairMarine Handyman Services

About Yanmarine Power Systems

Specializing in marine propulsion and power generation solutions, YANMARINE POWER SYSTEMS, INC. serves the South Florida boating community from their Miami location. As a dedicated provider of Yanmar marine products, the business focuses on diesel engines, marine generators, transmission systems, waterjets, and related accessories for recreational and commercial vessels. Their...

What others are saying about Yanmarine Power Systems

What stands out most across reviews is customers consistently praising Sergio and the team's exceptional technical expertise and personalized attention. Reviewers describe them as going 'above and beyond' with detailed, professional advice that saves...

Reviews sourced from Google

My ThoughtsYanmarine Power Systems carries a 5.0-star rating from 15 reviews, handling generator service alongside engine repair, boat maintenance, and marine handyman work.
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Florida Detroit Diesel-Allison logo

Florida Detroit Diesel-Allison

4.0(100)
(305) 638-5300Miami, FLGet Directions
Miami, FLBoat Mechanics & Engine RepairGenerator Service & RepairMarine Handyman Services

About Florida Detroit Diesel-Allison

For over six decades, Florida Detroit Diesel-Allison has served as a cornerstone power solutions provider throughout Florida and the surrounding Gulf Coast region. With more than 250 employees—including over 120 highly skilled technicians—distributed across ten strategic locations, the business has built a reputation for delivering factory-authorized engines, parts, and service...

What others are saying about Florida Detroit Diesel-Allison

Clients return to Florida Detroit Diesel-Allison for their deep expertise in diesel engine and Allison transmission diagnostics and repair. Known for having mechanics with decades of experience, they excel at complex troubleshooting that other shops...

Reviews sourced from Google

My ThoughtsWith 100 reviews on file and a 4.0-star rating, Florida Detroit Diesel-Allison has a solid volume of owner feedback covering generator service, engine repair, and general boat maintenance.
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A&C Marine Services logo

A&C Marine Services

5.0(42)
(786) 916-4361Hialeah, FLGet Directions
Hialeah, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About A&C Marine Services

Operating out of South Florida's marine service hub, A&C Marine Services has built a reputation as a hands-on, owner-operated company specializing in yacht maintenance, repair, and marine systems. Their approach sets them apart in the competitive South Florida market: as direct operators rather than corporate managers, the team brings extensive...

What others are saying about A&C Marine Services

What stands out most across reviews is A&C Marine Services' exceptional technical expertise, with customers consistently praising Ariel's deep knowledge of marine electrical systems and his ability to tackle complex rewiring jobs in challenging space...

Reviews sourced from Google

My ThoughtsA&C Marine Services has earned a 5.0-star rating from 42 reviews, with a service mix that spans generator repair, marine electrical, engine work, and AC and climate control.
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Diesel Injection Zone logo

Diesel Injection Zone

4.0(124)
(305) 556-3300Hialeah, FLGet Directions
Hialeah, FLBoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About Diesel Injection Zone

With more than 20 years of hands-on experience in the diesel injection industry, Diesel Injection Zone has established itself as a specialized resource for diesel injector services across a wide range of applications, including marine diesel engines. Operating from their facility in Hialeah, Florida, the business focuses on the repair,...

What others are saying about Diesel Injection Zone

Reading through the feedback, one pattern emerges: Diesel Injection Zone generates sharply divided opinions, with customers either praising Norberto's expertise and fair pricing or warning others about costly misdiagnoses and warranty issues. Their r...

Reviews sourced from Google

My ThoughtsDiesel Injection Zone brings 124 reviews and a 4.0-star rating, making them one of the more frequently reviewed options on this list for generator and engine-related work.
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MG Electrical Solutions logo

MG Electrical Solutions

5.0(29)
786-218-6617North Miami, FLGet Directions
North Miami, FLMarine Electrical & ElectronicsGenerator Service & Repair

About MG Electrical Solutions

Serving the greater Miami area, MG Electrical Solutions stands as a Florida-licensed electrical contractor specializing in both residential and commercial electrical services, with particular expertise extending to marine and waterfront properties. Operating under Florida license #EC13014911, the business has built its reputation on delivering comprehensive electrical solutions that range from...

What others are saying about MG Electrical Solutions

What stands out most across reviews is Jorge and his team's exceptional professionalism and technical expertise in handling everything from simple outlet repairs to complex electrical panel upgrades. Known for their meticulous attention to detail, cu...

Reviews sourced from Google

My ThoughtsMG Electrical Solutions holds a 5.0-star rating from 29 reviews, focusing specifically on marine electrical systems and generator service.
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MIC Turbo & Injection logo

MIC Turbo & Injection

4.8(70)
(305) 685-1061Hialeah, FLGet Directions
Hialeah, FLBoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About MIC Turbo & Injection

Specializing in turbocharger repair and sales alongside fuel injection services, MIC Turbo & Injection has established itself as a trusted resource for marine, diesel, and performance applications throughout South Florida. Operating from their Hialeah facility, the company serves boat owners, marine mechanics, and diesel engine operators who demand precision turbo...

What others are saying about MIC Turbo & Injection

The reviews paint a picture of a business known for exceptional turbo repair and injection services with remarkably fast turnaround times. This is a shop that consistently delivers same-day or next-day service while maintaining high product quality,...

Reviews sourced from Google

My ThoughtsMIC Turbo & Injection has 70 reviews and a 4.8-star rating, and brings 66-plus years in business to generator service, engine repair, and boat maintenance.
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MAVEX Marine & Industrial logo

MAVEX Marine & Industrial

4.5(26)
305-436-1860Miami, FLGet Directions
Miami, FLBoat Mechanics & Engine RepairGenerator Service & RepairMarine AC & Climate Control

About MAVEX Marine & Industrial

Operating from Miami, Florida, MAVEX Marine & Industrial has established itself as South Florida's premier supplier of marine and industrial engines, generators, equipment, and parts. As factory-authorized sales and service dealers for some of the industry's most respected brands—including Volvo Penta, Yanmar, Cummins, Cummins Onan, Kohler, Northern Lights, and Westerbeke—the...

What others are saying about MAVEX Marine & Industrial

The reviews paint a picture of a business known for excellent marine parts and accessories sales, with particular strength in generator replacements and boat service work. From helping customers find the correct generator replacement to providing ori...

Reviews sourced from Google

My ThoughtsMAVEX Marine & Industrial has a 4.5-star rating from 26 reviews, covering generator service alongside marine AC, engine repair, and yacht engineering and systems.
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SouthShore Marine Diesel logo

SouthShore Marine Diesel

4.7(15)
1-855-947-3724Miami, FLGet Directions
Miami, FLBoat Surveying & InspectionBoat Mechanics & Engine RepairGenerator Service & Repair

About SouthShore Marine Diesel

Specializing in CAT marine diesel engines since 2004, SouthShore Marine Diesel has established itself as a trusted name in South Florida's marine service industry. This family-owned and operated business delivers comprehensive solutions for recreational yachts, luxury vessels, commercial boats, and military ships, with services ranging from routine maintenance to complete...

What others are saying about SouthShore Marine Diesel

Reviewers consistently highlight the team's expertise with Caterpillar engines and diagnostic skills, with customers praising mechanics like Randy for quickly identifying issues like stuck ball valves in Racor systems rather than overselling unnecess...

Reviews sourced from Google

My ThoughtsSouthShore Marine Diesel carries a 4.7-star rating from 15 reviews and has been in business for 22-plus years, offering generator service as part of a broader marine repair and inspection scope.
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