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Triangle Fleet Services

Commercial Truck Repair & FLeet Maintenance in Raleigh, NC

About Triangle Fleet Services

Commercial Fleet Services You Can Trust

Looking for a reliable, honorable team to service your fleet and keep your business moving? Triangle Fleet Services has you covered, with a family-owned, full-service and mobile repair shop serving Raleigh’s light, medium, and heavy-duty fleets.

Truck problems don’t fix themselves. At Triangle Fleet Services, we provide dependable truck repair services to keep your fleet on the road. From light to heavy-duty, DOT inspections, to aftercare treatment, we make it our business to keep Raleigh’s truck businesses running.

truck repair shop

Reliable Commercial Fleet Repair Specialists

At Triangle Fleet Services Inc, we know your trucks are your business. But maintaining and keeping those trucks on the road is ours. Whether you manage a fleet or heavy-duty haulers, or a compliment of light-duty or medium-duty trucks, you can’t afford the downtime. We offer fast, comprehensive diesel repairs in Raleigh, North Carolina, specifically for commercial fleet operators.

Partnerships

Together, We Deliver

Services

Commercial Fleet Diesel Mechanic Services

When your fleet needs repair, Triangle Fleet Services offers a full suite of maintenance options to keep your diesel fleet on the road. Our most requested services include federal DOT inspections, after treatment, axle and driveline repairs, Coolant and HVAC system services, and performance upgrades (turbos, injectors, intake systems).

DOT Inspection

DOT compliance isn’t optional; it’s the law. Stay DOT-legal, safe, and ready for every haul with Triangle Fleet Services’ certified, federally approved DOT inspections in Raleigh, NC

DOT inspection services

General Diesel Repair

When your fleet’s performance is on the line, you need a repair shop that understands heavy-duty diesel trucks inside and out. Triangle Fleet Services, right here in Raleigh, NC, will keep your fleet performing when downtime isn’t an option. 

Diesel truck repair services

Preventive Maintenance

Downtime costs more than just repairs. It disrupts your entire operation. Discover how fleet preventive maintenance in Raleigh, NC, can help your trucks avoid breakdowns, stay compliant, and complete the job efficiently. 

Truck & fleet preventive maintenance services

Mobile Truck Repair

Sometimes you can’t come to us, let us come to you. Mobile diesel truck repairs in Raleigh, NC, brings expert service directly to your job site, lot, or roadside location. 

Mobile truck repair service in Raleigh, NC

Bus Repair

Commercial buses have a lot riding on their performance. When you need reliable, safe, and essential repairs to your fleet buses in Raleigh, we've got you covered, no matter the passenger load. 

Bus repair services

Trailer Repair

Unexpected trailer breakdowns put a damper on your business. Minimize downtime, maximize saftey, and stay on schedule with dependable trailer repair right here in Raleigh.

Trailer repair services

Welding & Fabrication

Structural damage and custom needs can slow down your fleet. Expert truck welding and fabrication in Raleigh, NC, restores strength, adds support, and delivers the perfect fit for lasting performance.

Truck welding and fabrication services

Fleet Services

Your fleet is how you get business done. Maximizing your uptime, reducing breakdowns, and ensuring vehicle compliance is our responsibility business. We help keep Raleigh, NC's commercial fleets rolling efficiently and on schedule. 

Commercial fleet services

Repair Services

Commercial Fleet Truck Repairs

Our team of ASE-certified technicians are expertly skilled to take on even the most challenging jobs. From aftertreatment systems to performance ECM tuning, from brakes to engine repair, if you need it running in top shape, we’ve got you covered. Diesel trucks are our specialty, and we’re equipped with the right team to get your truck back on the road fast.

Service That Drives Success

Reviews

Customer Testimonials

"Triangle Fleet always makes every experience 10/10. Mike, Kali & Jordan make everything so easy and pleasant. I will always recommend this place to anyone that needs diesel service."
- Courtney

"Came in for my DOT inspection appointment on my trailer at 8AM & everything went so smoothly .. Thanks to Kali & Jordan for their professionalism at the front desk… Also to Wes who took his time on my inspection & his professionalism as well… See you great people on the next run, Thanks again!!!"
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Wayne

"Mike was an excellent tech. The dot inspection was less than 1 hr. Late in the afternoon and the inspection was able to be completed.  Customer service was top notch. Would definitely bring my rig back for another annual inspection."
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Wesley

"This service was exceptional! Above and Beyond! Mike the mechanic shook my hand and explain what he did to service my Freightliner M2! Nick and Rob in the office were great as well! They answer any questions I had and got me back on the road in about 2-3 hours. They are professional and pride themselves on fixing the problem. I definitely recommend any one in the trucking industry to TFS!"
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Artful D

"Kali, Jordan, Wade, & Nick did an excellent job scheduling my appointment, communicating with me up until the appointment date to make sure I’m able to make the appointment and kept me informed throughout the process of getting my vehicle serviced in a timely manner. Great customer service, great speedy mechanic services!!!!!"
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AJ

"I Have interacted with several different employees of this company. Everyone has been wonderful.  The mechanics really know this industry well and are great technicians.  I have had Mike out twice, and he has diagnosed, repaired, And consulted with me every step of the way."
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Danielle

"I called and the same day they made an appointment and had my truck (dodge ram 250) in and out so fast I am still dizzy. Everyone was awesome specially Mike. He asked us what we needed and took care of us from beginning to end. They have a customer for as long their around."
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Edgar

Careers

Join the Triangle Fleet Services Team

We’re more than just diesel techs, we’re a tight-knit, family-run crew that takes pride in keeping hardworking trucks on the road and the businesses behind them moving forward. Whether you're an experienced diesel technician, a skilled welder, or just starting your career in truck repair, we offer a supportive, professional environment where your work makes a real impact. Our team is passionate about precision, thrives on problem-solving, and believes in honest work done right the first time.

Mechanic working on medium duty Ford truck
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