Mack Repair Specialists in Texas

Mack Trucks are renowned for their durability, power, and reliability on the road. As a trusted and reliable provider of Mack services, OTR Fleet Service is dedicated to keeping your Mack operating at its best with our comprehensive range of maintenance and repair services.

Schedule Service
Mack logo

Benefits of Using Mack Trucks

Mack trucks offer numerous benefits, making them a preferred choice for various industries. First and foremost, Mack trucks are renowned for their exceptional durability and reliability, ensuring they can withstand challenging conditions and heavy loads. Moreover, Mack trucks are equipped with advanced safety features, including stability control systems and collision mitigation technologies, promoting driver and cargo safety. These trucks also offer excellent fuel efficiency and low maintenance costs, contributing to long-term cost savings. With their proven track record and innovative features, Mack provides a reliable and efficient solution for businesses across diverse sectors.

Mack Repair Services Offered by OTR Fleet Service

To ensure your Mack truck performs optimally, addressing common issues promptly is essential. Here are some common Mack truck problems and the solutions we offer at OTR Fleet Service:

  • Engine Repairs and Rebuilds: Our certified technicians excel in diagnosing and repairing various engine issues, such as oil leaks, faulty fuel injectors, and turbocharger failures. We also provide engine rebuild services for more extensive damage, including disassembling and rebuilding the engine with new components.
  • Transmission and Clutch Repairs: Transmission and clutch issues can result in decreased performance and difficulty shifting. Our skilled technicians can diagnose and repair a range of transmission and clutch problems, including leaks, worn-out components, and slipping.
  • Suspension Repairs: Freightliner trucks endure heavy loads, placing strain on their suspension systems. Our technicians can inspect and repair suspension issues, such as worn-out components, misalignment, and unbalanced loads, to ensure a smooth ride and enhanced tire longevity.
  • Brake Repairs: Brakes are a critical safety feature, and issues can lead to accidents and increased maintenance costs. Our technicians are equipped to inspect and repair brake issues, including worn-out components, brake fade, and reduced stopping power.
  • Electrical System Repairs: Electrical problems can arise, affecting lighting, starting, and other components. Our technicians can diagnose and repair electrical issues caused by faulty wiring, damaged components, or battery problems.
  • HVAC System Repairs: The HVAC system in your Freightliner truck keeps you comfortable while driving. Our skilled technicians can diagnose and repair HVAC issues, such as faulty blower motors, leaks, and worn-out components.
  • Exhaust System Repairs: The exhaust system ensures proper engine performance and emission reduction. Our technicians can inspect and repair exhaust issues, including leaks, faulty sensors, and worn-out components.
  • Oil and Fluid Repair: Regular maintenance includes oil and fluid changes. Our technicians perform routine oil and fluid changes and diagnose and repair issues like leaks and low fluid levels.

Contact Us

To book an appointment for your Mack truck, call us today. Our team of experts is ready to assist you in maintaining and repairing your Mack truck to the highest standards, ensuring optimal performance and safety on the road.

trucks & Trailers

Truck & trailer REPAIR EXPERTS


customer insights

"Highly recommend OTR Dallas for inspection and repair. Michele was awesome! She’s professional and helped us a lot. Great communication. Reasonable price for repairs. Thanks Michele for all the help."  //  Mike Alhoutari

Alternative Distributors

5 stars

"OTR has been a great help to us in both the Dallas and Houston areas. The staff is always very helpful and informative. They provide great customer service, their mechanics, both mobile and in house, are very through and informative."

rodney geibe

5 Stars

"I have taken my trailer into this shop for years. Outstanding service. Everyone at the shop goes out of there way to get you back on the road as quick as possible. If you need work done on your truck or trailer, this is the place to go."

Eston Hammer

5 Stars

"Amazing place!  
Super friendly and fast staff. Rudy Ray was an amazing mechanic! Not only did he get the job finished the same day, he kept me in the loop the entire time. Shout out to him and the great staff at  OTR!"