Commercial Fleet Truck Repair Services in Raleigh, NC

About Our Heavy-Duty Diesel Truck Repair Services

At Triangle Fleet Services, we take care of more than just truck repairs. We support the businesses behind the wheels. Based right here in Raleigh, our family-owned shop understands the significant impact your fleet has on your daily operations. That’s why every service is delivered with transparency, consistency, and a focus on keeping your vehicles on the move.

Our work covers fleets of all sizes, from light-duty service trucks, commercial haulers, and even heavy equipment; we fix it all. When trust your fleet with Triangle Fleet Services, we guarantee that you will always get straight answers, dependable repairs, and a team that knows your time matters.

Our technicians are experienced with a wide range of models and platforms, including:

• Freightliner (Cascadia, M2, FL Series)
• Peterbilt (579, 389, 337)
• Kenworth (T680, T800, W900)
• International (LT, DuraStar, MV Series, HV Series)
• Mack (Anthem, Granite, Pinnacle, LR)
• Volvo (VNL, VNR)
• Hino (268, 195, L Series)
• Isuzu (NPR, NQR, FTR)
• Western Star (4700, 4900, 5700XE)

No matter what your fleet includes, our team is trained to work on Detroit Diesel, Cummins, PACCAR, MaxxForce, Volvo, Hino, and Isuzu powertrains, as well as mDRIVE, Allison, Eaton Fuller, and I-Shift transmissions.

Our Comprehensive Repair Services Include:

• DOT inspections with clear recommendations
• On-site mobile truck repair for minimal disruption
• Preventative maintenance tailored to your operation
• Steering, axle, brake and suspension repairs
• Transmission and clutch services
• HVAC, cooling system, and fuel system repairs
• Engine diagnostics, repair and after treatment service

When trucks are down, business slows down. Our experienced team is here to make sure that doesn’t happen. Triangle Fleet Services helps you stay ready for the road, today and every day.

Keeping Commercial Vehicles Safe with DOT Inspections

Trucks are our passion, but safety and compliance are our priority. We’re certified to perform federal DOT inspections for commercial vehicles of all sizes, including trucks, buses, and trailers. Our technicians follow every regulation to the letter and explain what’s needed in plain language. If we find something wrong, we’ll walk you through the fix, because you deserve more than a checklist; you deserve clarity.

Mobile Repair Service That Comes to You

Why waste time bringing your fleet vehicles to the shop for repair when your trusted truck techs can come to you? With mobile diesel repair services, you can rest easy knowing our team has the diagnostic tools and skills to get your trucks up and running no matter where they are.

Preventive Maintenance

Downtime is expensive. Our preventive maintenance programs are designed to keep your fleet ahead of breakdowns with routine inspections, fluid checks, filter changes, and more. We’ll track your service intervals, notify you when it’s time, and help you plan smarter, so your trucks stay dependable and your operations stay on schedule.

Service That Understands Your Business

The nice thing about being passionate about trucks is that we’re in tune with what fleet managers need: responsiveness, clarity, and repairs that don’t require redoing. We take the time to understand your operations and tailor our service around what matters to you, whether that’s fast turnarounds, flexible scheduling, or honest communication.

That’s because we don’t just work on trucks…we work with people. And we work hard to earn your trust every step of the way.

Ready to schedule service or talk about your fleet needs? Call us today at 919-659-5497.