MAC's Diesel &
Trailer Repair

Mac’s Diesel & Trailer Repair provides experienced mobile diesel mechanic services for onsite heavy-duty truck & trailer repairs in Lexington, KY & the surrounding areas in Kentucky. At Mac’s, our diesel mechanics come to your location to perform a wide range of mobile truck repair services. Call now for service.

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Years of Experience
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Satisfied Clients
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Trucks Serviced
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SPECIALIZING IN MOBILE TRUCK REPAIR & ROADSIDE ASSISTANCE

Mac’s Diesel & Trailer Repair provides top-rated mobile mechanic services in Lexington, Kentucky & the surrounding areas. With a simple phone call, we’re able to bring our wealth of mobile truck repair experience right to your doorstep. Covering a wide service area in Kentucky, take advantage of our mobile truck repair & roadside assistance expertise without worrying about the distance. Mac’s Diesel & Trailer Repair offers extensive mobile mechanic services for everything your truck and trailer might need in Lexington, Frankfort, Winchester, Richmond, Georgetown, & more!

Mac's Can Handle Your Heavy-Duty Truck Repairs On Site

Macs Diesel Trailer Repair Lexington KY Heavy Duty Truck Repair Mobile scaled

Mac's Can Handle Your Heavy-Duty Truck Repairs On Site

Macs Diesel Trailer Repair Lexington KY Heavy Duty Truck Repair Mobile scaled

Our Mobile Mechanic Services

WeldingFabrication

Welding & Fabrication

Your truck and trailer are built tough but aren’t immune to damage from the environment. From rust to dents, having access to proper welding & fabrication services means effective repair when your truck and trailer begin to deteriorate.

Trailer Alignment

Trailer Alignment

Your trailer does a lot for you, so it’s only fair you give it a little love back. Mac's Diesel & Trailer Repair offers comprehensive trailer alignment services and is fully mobile. No matter how bad the trailer is misaligned, Mac can take care of it.

Bus Repair

Bus Repair

Keeping your bus fleet running efficiently is a matter of both earning money and customer safety. Mac's Diesel & Trailer Repair & Truck Repair offers full comprehensive inspection and maintenance services for public and private-sector buses so your buses can spend more time serving the community and less time in the yard.

Our Mobile Truck
Repair Services

Our mobile diesel mechanics come to you with professional onsite truck repair & maintenance services. From bus & RV repairs to DOT inspections & emergency roadside assistance, you can trust the experienced diesel mechanics at Mac’s. Don’t see the repair you require listed? Get in touch with us today to provide us the details.
 
We pride ourselves on the delivery of exceptional truck repair services from our team of highly-trained diesel mechanics in Lexington, Kentucky & the surrounding areas.
 
Already know what you are looking for? You can schedule an appointment for any of our various heavy-duty truck services

Mobile Diesel Mechanic in
Lexington, Kentucky

PROVIDING MOBILE SERVICES TO LEXINGTON, FRANKFORT, WINCHESTER, RICHMOND, GEORGETOWN, & SURROUNDING KENTUCKY AREAS

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Suspension Repair

Is your heavy-duty suspension not performing as well as it once did? Whether your ride is getting super rough or your airbags fail to build up pressure, you can count on Mac's Diesel & Trailer Repair to get your system back in shape. Call today to schedule an appointment for a mobile suspension service.

Exhaust System Repair

Ever wonder what protects you from the harmful emissions produced by your diesel engine? Well, that’s what your exhaust is responsible for! From protecting our natural environment to funneling emissions away from your passenger compartment, your exhaust is a critically important system.

HVAC System Repair

Is your AC not keeping you cool during the summer? Is your heater not keeping you warm during those cold winter months? At Mac's Diesel & Trailer Repair, we offer extensive HVAC repair and maintenance services on a fully mobile basis. Call today to schedule an appointment for service!

EGR & DPF

Both your EGR system and your DPF are critical to the functionality of your aftertreatment system. At Mac’s Diesel & Trailer Repair, we offer everything from EGR valve repair to DPF regeneration services. Give us a call during our regular business hours to schedule an appointment for mobile service.

What Our Customers Say About Us

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Tony Stewart profile picture
Tony Stewart
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Prompt service & courtesy a plus. Glad to have them in the area when I broke down. Blessings upon you and yours
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John Mercurio profile picture
John Mercurio
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Had turbo problems and needed to get it fixed en route from Atlanta to Cincinnati, Mac got me on the road again with a few hours of work Saturday morning. Fast, friendly, and fair priced💯 Will use again if in the area!💪🤘 Thanks!
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Eva Marie Allison profile picture
Eva Marie Allison
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We have been using Mac's Diesel here in Lexington and they are extremely easy to work with, from response time, quality of work and cost.
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Luke Milles profile picture
Luke Milles
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nice and helpful
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Geoffrey Hamrick profile picture
Geoffrey Hamrick
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Had an air leak in the dryer of my Freightliner. Truck wasn’t building air at all, stuck at the shipper. These guys came through in a timely manner and got me all the way together!!! Thanks a lot from Hamrick Trucking!!
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Hall Marshall Daudin profile picture
Hall Marshall Daudin
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This guy is very quickly good Job nice guys

Get in Touch With Us

Get in touch with Mac’s Diesel to schedule mobile truck repair service with a mobile mechanic in Lexington, Kentucky & the surrounding areas today!

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Truck & Trailer Repair Frequently Asked Questions

1. What should commercial fleet maintenance include beyond oil changes?

Commercial fleet maintenance should address the systems that keep each truck and trailer safe and dependable. Alongside oil and filters, track tires, brakes, batteries, cooling systems, electrical faults, suspension wear, and driver-reported concerns. A service visit is also a chance to investigate repeat symptoms rather than simply reset the next maintenance reminder.

Mac’s Diesel & Trailer Repair lists mobile diesel maintenance, diagnostics, transmission maintenance, and electrical and exhaust repairs. Share your equipment details and recent service history so the team can discuss the work your vehicles need.

Explore mobile diesel repair and maintenance.

2. How should fleet managers evaluate roadside assistance plans?

Roadside assistance plans should be checked against your actual vehicles and routes. Compare eligible truck types, geographic coverage, dispatch procedures, service limits, and exclusions. Clarify whether call-out charges, labor, replacement parts, tires, and towing are included. A plan’s availability does not necessarily guarantee a particular arrival time or repair outcome.

Mac’s Diesel & Trailer Repair offers roadside services including diagnostics, tire assistance, battery help, and fluid-leak repairs. If you have a third-party plan, confirm authorization and billing with the plan provider before assuming a call is covered. Ask Mac’s to confirm current service availability for your location.

Review Mac’s roadside assistance services.

3. How can fleet preventive maintenance reduce avoidable downtime?

Fleet preventive maintenance creates opportunities to catch wear and investigate defects before they interrupt a route. Set intervals using manufacturer recommendations, mileage, engine hours, and operating conditions. Include driver observations and unresolved inspection findings so an oil change does not leave a known air leak or electrical issue unaddressed.

Mac’s Diesel & Trailer Repair lists on-site fluid, battery, tire, and other maintenance services. Discuss which tasks can be scheduled at your facility and what requires further diagnosis. Preventive work helps manage risk, but it does not replace required inspections or justify operating with a safety-critical defect.

Learn about on-site truck maintenance.

4. When should I request mobile semi repair?

Mobile semi repair can be useful when a truck needs professional attention at a yard, business facility, or safe roadside location. Describe the symptoms, warning lights, vehicle details, and exact location when calling. The repair approach depends on safe access, the fault, and the parts and equipment needed; some situations may require a shop or recovery service.

Mac’s Diesel & Trailer Repair offers mobile diagnostics, battery service, tire work, and other truck repairs. Confirm that the team can assist with your specific issue before making arrangements. Do not keep driving with a suspected safety-critical problem, and contact emergency services if there is immediate danger.

See mobile truck repair options.

5. What should a fleet maintenance system record after a repair?

A fleet maintenance system should record the unit number, service date, mileage or engine hours, reported complaint, findings, work completed, and any follow-up recommendations. Keep invoices and inspection records linked to the correct truck or trailer. Tracking recurring faults and downtime can help fleet managers make better scheduling and repair decisions.

Whether your system is software or organized records, provide relevant history when requesting service from Mac’s Diesel & Trailer Repair. Ask what documentation is available for the completed work, then update your own records and assign responsibility for any remaining issues.

Contact Mac’s about your fleet’s service needs.