Heavy-Duty Diesel Repair Services

Services

Small maintenance issues can turn into missed routes, roadside problems, and avoidable repair costs. Stay ahead of wear with planned service, inspections, and support that helps keep trucks available for daily work.

Medium-Duty & Heavy-Duty Truck Services

United Truck Maintenance of Texas supports fleet operators and owner-operators with service for medium-duty and heavy-duty trucks throughout Dallas and the surrounding DFW area. Our team brings decades of hands-on experience, clear communication, and a strong focus on reducing downtime.

Our truck and equipment services include:

  • DOT Inspection
  • General Diesel Repair
  • Preventive Maintenance
  • Towing
  • Mobile Truck Repair
  • Roadside Assistance
  • Heavy Equipment Repair
  • Bus Repair
  • Trailer Repair
  • Welding & Fabrication
  • Fleet Services
  • Hydraulics Services and Repairs

Why Texas Fleets Choose United Truck Maintenance of Texas

United Truck Maintenance of Texas has served commercial vehicles in the Dallas-Fort Worth area for more than 30 years. Fleets and owner-operators rely on our team for dependable workmanship, quick response times, knowledgeable technicians, and straightforward communication throughout the service process.

Our Dallas location near I-35E and I-635 allows us to support customers throughout Farmers Branch, Carrollton, Addison, Irving, Coppell, Richardson, Las Colinas, North Dallas, Grapevine, Lewisville, Plano, Grand Prairie, University Park, Highland Park, and surrounding communities.

Maintenance That Helps Keep Trucks Available for Work

Routine maintenance gives technicians a chance to identify worn components, leaks, fluid concerns, and other developing issues before they interrupt a route or take a truck out of service. A consistent service schedule can also make repair needs easier to anticipate and plan around daily operations.

United Truck Maintenance of Texas works with individual commercial vehicles and larger fleets. Service needs can be based on mileage, vehicle use, workload, and operating conditions.

In-Shop and Mobile Support for Greater Service Flexibility

Some service needs are better handled at the shop, while others can be addressed where the vehicle is located. United Truck Maintenance of Texas offers both in-shop and mobile service to give customers more flexibility when a truck, trailer, or piece of equipment needs attention.

Mobile repair and roadside assistance can help when moving a vehicle would create additional downtime. The Dallas shop supports scheduled maintenance, inspections, diagnostics, and more involved service needs.

Support for Trucks, Trailers, Equipment, and Hydraulic Systems

Commercial operations often rely on more than trucks alone. United Truck Maintenance of Texas also services trailers, buses, heavy equipment, hydraulic systems, and welded components.

These broader capabilities give fleet operators and owner-operators one local resource for several types of working equipment. Customers can address multiple maintenance and repair needs without relying on a separate provider for every system.

Fleet Services Built Around Daily Operations

Fleet service should support the schedule rather than create unnecessary disruption. Our team helps Dallas-area fleets manage inspections, preventive maintenance, repairs, and recurring service needs based on how their vehicles are actually used.

Clear communication also helps fleet managers understand what needs attention now and what can be planned for a later service interval. That approach makes it easier to organize maintenance around routes, workloads, and vehicle availability.

Truck Service FAQs

Can United Truck Maintenance of Texas Service Both Medium-Duty and Heavy-Duty Trucks?

Yes. United Truck Maintenance of Texas works on both medium-duty and heavy-duty commercial vehicles, allowing fleets with different truck classes to manage more of their service needs through one team.

Do You Provide Mobile Truck Repair in Dallas?

Yes. Mobile truck repair is available for qualifying service needs when bringing the vehicle to the shop is inconvenient or would create additional downtime. Our team can evaluate the truck at its location and determine what work can be completed on-site.

How Does Preventive Maintenance Help Reduce Fleet Downtime?

Preventive maintenance helps identify wear, leaks, fluid concerns, and developing mechanical problems before they cause an unexpected breakdown. Earlier repairs are often easier to schedule around routes and daily workloads.

Do You Provide Hydraulic Repair for Commercial Trucks and Equipment?

Yes. United Truck Maintenance of Texas provides hydraulic service and repair for commercial trucks, trailers, and equipment. Service may involve hoses, fittings, cylinders, liftgates, and other hydraulic components depending on the problem.

What Areas Does United Truck Maintenance of Texas Serve?

Our Dallas shop serves customers throughout the surrounding DFW area, including Farmers Branch, Carrollton, Addison, Irving, Coppell, Richardson, Las Colinas, North Dallas, Grapevine, Lewisville, Plano, Grand Prairie, University Park, and Highland Park.

Diesel Mechanic Services

Commercial Truck Services
Built Around Your Operation

United Truck Maintenance of Texas supports fleets and owner-operators with practical service options for medium-duty and heavy-duty vehicles. Our heavy-duty diesel mechanic team helps customers stay ahead of maintenance needs, respond to unexpected issues, and choose the right support for how their trucks are used.

Customer Testimonials

5 stars
"I had work done to my truck and needed parking for my trailer for a month and couldn't be happier with the service. Good people with reasonable prices and a guaranteed return customer."
Landis Grimmett
5 stars
"Taking our company trucks here for a couple years now, the service is professional and on time. They are always willing to go above and beyond for us. Definitely look forward to many more visits!"
Jacob Hix
5 stars
"The guys there are hard-working, and they always do the job right the first time. I am a company driver. My company uses this company for our truck maintenance. Keep up the great work United Truck Maintenance."
Local Guide
5 stars
"We use them exclusively and I can tell you this, big trucks aren't cheap to work on.  UTM always gets us in right away or they send out a mechanic to our yard.  Ruben is an awesome mechanic and have had nothing but good things to say about Jeff, Kevin and Marvin, so give them a shot, you'll be happy when you're back on the road making money!"
Steve Kirkland
5 stars
"Kevin and UTM did a great job of getting me in on short notice for a Federal DOT inspection and brake adjustments on my trailer. Super friendly and easy to work with!!"
Steve Kirkland
5 stars
"Great team great service!"
Kevin De La Cruz
5 stars
"Kevin and his crew are excellent."
Ric Clark