270-891-5356
Complete Diesel Repair Services for Commercial Fleets Across the USA
When something goes wrong with your truck, it rarely stays isolated. Diesel systems are interconnected, meaning a failure in one component can quickly affect overall performance. National Fleet Management provides comprehensive diesel repair solutions built specifically for fleet managers who need fast, reliable results.
We handle a full range of diesel repairs, including engine issues, cooling system failures, electrical faults, brake concerns, and drivability problems. Common warning signs include hard starts, excessive smoke, overheating, loss of power, and unusual noises, each pointing to potential failures that require immediate attention.
Our team identifies the root cause, explains what failed, and outlines the most effective repair strategy. Whether it’s replacing worn components, addressing system imbalances, or correcting recurring issues, we deliver repairs that are built to last and keep your fleet on schedule.
What Makes National Fleet Management Different?
Fleet managers need more than repairs, they need a partner they can rely on. We may not be the biggest name in the industry, but we pride ourselves on outworking and outthinking the competition.
Hard work & results: Our team shows up every day ready to deliver high-quality work with a positive attitude, focused on doing the job right the first time.
Integrity: No unnecessary parts or upsells. You get honest assessments, transparent communication, and recommendations that fit your budget.
Real customer service: If something isn't right, we own it and fix it. We also welcome feedback, as it helps us continue.
Commercial Truck Fleet Repair Services
Whether one of the trucks in your fleet needs engine repair or a suspension overhaul, you can rest assured knowing we’ve got your back. Our technicians are more than capable of performing complex repairs of all kinds. We rebuild transmissions, overhaul engines, repair entire drivetrains, and so much more.
Axle Repair
Are you looking for a heavy-duty repair shop that does axle work? If so, you’ve found what you’re looking for! We here at National Fleet Management have a vast array of heavy-duty axle services that are bound to meet your every need. Call today to schedule an appointment.
Body Work
Are you looking for a shop that does body work on heavy-duty trucks? Well, you can stop looking, for we here at National Fleet Management offer a wide range of bodywork services. From body panels to roofing and everything in between, National Fleet Management is the place to be.
Brake Repair
Are you looking to get your heavy-duty brakes serviced? Whether you use an air-based setup or more traditional fluid systems, you’ll find the services you need here at National Fleet Management. Contact us today to book an appointment.
Coolant System Repair
Are you in need of coolant system repairs? Maybe the engine in one of your trucks is overheating, and you can’t figure out why. Not to worry! We here at National Fleet Management are coolant system experts. We maintain and repair coolant systems of all kinds on almost a daily basis! Call today to book an appointment.
Diagnostics & Electrical Repair
Are you having electrical problems? Are you looking for a heavy-duty shop to fix those issues? Well, you can stop looking! We here at National Fleet Management are diagnostics experts! We’ll have any and all electrical issues sorted out before you know it! Call today to book an appointment for service.
Drivetrain Repair
With a full roster of technicians and over a decade of experience in the heavy-duty repair industry, National Fleet Management has the services you and your fleet deserve. For all your drivetrain needs, give us a call, and we’ll book you an appointment.
EGR & DPF
Are you looking for a shop that works on emissions control systems? Well, you’ve found one! We here at National Fleet Management are emissions control experts. We do everything from EGR repairs to catalytic converter replacements. Call today to book an appointment.
Engine Repair, Rebuild & Conversion
National Fleet Management is a heavy-duty repair shop that does engine rebuilds, repairs, and conversions of all kinds. Whether you’ve blown a head gasket or want to swap your engine out entirely, you can rest well knowing our technicians have your back. Call today to book an appointment.
Exhaust System Repair
Whether it be exhaust leaks or damaged heat shields, you’ll be able to find high-quality repair services here at National Fleet Management. With over a decade of experience in the heavy-duty repair industry, we’ve got you covered. Contact us today to book an appointment.
Express Lube
Our express lube services here at National Fleet Management are designed to fulfill the oil and fluid needs of any preventive maintenance regimen. Whether you need an engine oil change or a new transmission fluid, our express lube technicians will have your fluids changed in a jiffy!
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HVAC System Repair
Is your HVAC system struggling to keep up with North American weather? Maybe it doesn’t blow cold enough in the summer or doesn’t heat up enough in the winter. Here at National Fleet Management, we’ve got a wide selection of services that are sure to meet your every need.
Oil & Fluid
Changing oil and fluids regularly is the most important aspect of any preventive maintenance regimen. Here at National Fleet Management, we have oil and fluid services of all kinds. Whether you need a transmission fluid change or a coolant flush, we’ve got you covered.
Suspension Repair
Do you want to get your heavy-duty truck’s suspension repaired or maintained? Well, looks like you’ve come to the right place! Here at National Fleet Management, we offer suspension services of all kinds. Whether you need new bushings or repaired shock absorbers, we’ve got your back.
Transmission & Clutch Repair
Are you looking for transmission repair and maintenance services? Well, if so, you’re in luck! Here at National Fleet Management, we offer transmission services of all kinds. Whether you need a simple fluid change or a large repair, you can count on us to have your back.
Don't see what
you're looking for?
If you don’t see the specialty service you’re looking for, give us a call, and we’ll discuss your various service requests. We like to consider ourselves an all-encompassing heavy-duty repair shop, so there’s a pretty good chance we offer what you’re looking for!
What Our Customers Are Saying
We strive to provide the best fleet repair and maintenance services for our valued customers in North Carolina.
LaQuan Pollard
"Came in to get my trailer fixed and when I say these guys here are the best I mean it cause these guys went beyond to make sure I got back to my pickup to get loaded. If I give them 10 stars I could"
Randy Robinson
"Put in there and have airlines check for air leak and they found three of them right off the top fast not to go back in the heartbeat for all those problems they're great company"
LMH Logistics
"Stanley and his team have provided excellent service in fixing our work trucks. They are professional and always timely. They communicate with us to keep us posted on the status of repairs and we've enjoyed working with the entire team here."
William Wrenn
"I can tell you firsthand these guys are the best at what they do. Courteous, polite and always very professional. Look no further for someone you can trust."
Helena Honcharuk
"You don’t need to worry about your car! Here will help bring the car in good condition!!!
Good service!!!"
Good service!!!"
Michael Latch
"Stopped by the Durham location with a truck in limp mode, and while they were unable to disable the derate, the manager Jeremy was extremely helpful and did not even charge any diag fees. Very nice people."
Danholyfire1
"Very friendly and courteous people.
Had my PM, DOT inspection and slack adjusters installed promptly and price was reasonable."
Had my PM, DOT inspection and slack adjusters installed promptly and price was reasonable."
Shannon Wilson
"If you have a truck that is having any kind of mechanical issues. They can fix your truck and have you back rolling in no time. Great customer service."
Dylan S
"Had a quick turn around and even though they were booked up they were very fair for everything else."
Abu Sheyx
"Amazing people working here very good costumer service they did really good job thank you guys."
Henri Newkirk
"THIS PLACE BELIEVES IN TAKING CARE OF THE CUSTOMER!!! David in service made sure that everything was top notch and showed the true meaning of above and beyond customer service he was knowledgeable and the mechanics were excellent as well! Because of David I will always be a customer at National Fleet!!!"
Jason Little
"Very good place prompt and great service , they take attention to detail and make sure it’s done right the first time."
Christina Burns
"Had a vehicle on there location to inspect. Everyone was super nice and helpful."
Additional Commercial Fleet Services
DOT Inspection
Are you looking to get your heavy-duty fleet vehicles DOT inspected? Here at National Fleet Management, we’re certified to perform DOT inspections and provide you with the required certifications. Contact us today to book an appointment.
Heavy Equipment Repair
Do you have heavy equipment that you need to repair or maintain? If you said yes, you’ve come to the right shop. We work on heavy equipment of all kinds. Whether you have a large heavy-duty wrecker, a rollback tow truck, or construction equipment, we’ve got you covered here at National Fleet Management.
Mobile Truck Repair
Are you looking for a heavy-duty Onsite repair shop that performs repairs and maintenance on a mobile basis? If so, National Fleet Management is the right shop for you! We perform all kinds of services Onsite working with your schedule. Give us a call to book an appointment.
Preventive Maintenance
Are you looking for a heavy-duty repair shop to perform preventive maintenance services on your heavy-duty fleet trucks? If so, National Fleet Management has what you’re looking for! Our preventive maintenance services are some of the best in the industry. Call today to book yourself an appointment.
Roadside Assistance
If one of your trucks is within 100 miles of our heavy-duty repair shop and has broken down, our roadside assistance technicians will come to your driver’s aid. Don’t stress about untimely breakdowns. Give us a call, and we’ll head your way. For all your roadside service needs, we’ve got your back.
Towing
Are you in need of heavy-duty towing services? Maybe your equipment is simply unfixable on the side of the road? If so, call us, and we’ll come to get your fleet vehicle. With a fleet of capable heavy-duty tow trucks and super-experienced operators, we’ve got your back.