Flagstaff Semi-Truck Mobile Diesel Mechanic Repair Shop

One-Stop Fleet Service Solutions, Roadside Repair, & Semi-Truck Repair in Flagstaff, AZ

We are bringing the Rocky Mountain Truck Centers quality, expertise, and experience to Flagstaff, Arizona. Our most recent location is conveniently located next to the Little America hotel just off Interstate 40. Locally owned and operated for over 25 years, Rocky Mountain Mobile Truck Centers provides expert semi-truck repair, fleet maintenance, 18-wheeler repair service, and mobile roadside repair. Our semi-truck repair shop is available to provide you with the highest quality commercial & semi-truck mechanic service. With the fastest response times in the industry, you owe it to yourself to add our roadside service hotline to your phone. We also offer commercial vehicle and commercial truck repair for those not driving a semi!

At Rocky Mountain Mobile Truck Centers, we recognize that truck breakdowns don’t just cause inconvenience—they can seriously impact your bottom line. That’s why we provide 24/7 emergency roadside assistance and a full-service semi-truck repair shop in Flagstaff, AZ to get you back on the road as quickly as possible. Whether you’re dealing with engine trouble, electrical issues, transmission failures, or routine maintenance, our expert technicians are ready to assist.

Our semi-truck repair shop in Flagstaff is equipped with state-of-the-art diagnostic tools to quickly pinpoint mechanical problems and implement effective solutions. We handle everything from brake and suspension repairs to HVAC servicing and fuel system diagnostics. No matter the size of your fleet, our experienced mechanics deliver top-quality service tailored to your needs.

We also offer preventative maintenance programs designed to keep your trucks running smoothly and minimize unexpected repairs. Regular servicing helps reduce downtime, improve fuel efficiency, and extend the lifespan of your commercial vehicles. Whether you’re a long-haul driver or managing a regional fleet, our commitment to excellence ensures that your truck receives the best care possible.

If you need a quick roadside semi-truck repair from our mechanics, a new trailer tire after a blowout, or a complete engine overhaul on your commercial vehicle, our friendly staff in Flagstaff, AZ will fix your heavy trucks right the first time to get you back on the road.

With a reputation built on reliability, fast response times, and expert workmanship, Rocky Mountain Mobile Truck Centers is the trusted partner for truckers throughout Arizona. If you find yourself in need of assistance in the Flagstaff area, count on us to provide the professional, high-quality service that keeps your business moving forward.

24-Hour Emergency Diesel Assistance

Mobile Truck Repair & On Site Road Service Available Throughout Denver And the states of Colorado, Idaho, Wyoming, Arizona, Wisconsin and Kansas.

24-Hour Emergency Assistance

Mobile Truck Repair and On Site Service

We Service Peterbilt, Kenworth, Freightliner, Mack, Volvo, International, Sterling, Western Star, Hino.

“Being a two-truck fleet, I am very particular of who works on my equipment. Rocky Mtn Mobile has earned my trust and great appreciation. I have been back since and will continue to go back. A big “thank you” to them and especially to the mechanic.” – Gladson Transport

(303) 439-5766