Heavy Duty Diesel Mechanic Services in Phoenix, AZ

We offer more than just repairs—our services include DOT inspections, mobile truck repair, roadside assistance, welding, hydraulic service, and much more. Complete HTR keeps your fleet running smoothly with expert service across Phoenix.

Heavy duty truck repair in Phoenix, AZ

Services

Mobile and Roadside Services

We offer mobile truck repair, emergency roadside assistance, and towing within a 50-mile radius of our Phoenix shop. If you’re broken down on the highway or can't leave the yard, our mobile units arrive fully equipped to handle diagnostics, repairs, and maintenance on-site.

Our Services

At Complete HTR, we go beyond repairs. Our shop provides complete support for commercial trucks, trailers, buses, RVs, and equipment—including DOT inspections, mobile repair, emergency roadside service, hydraulic system work, custom welding, and more. We help keep your operation moving with fast, reliable service.

Frequently Asked Questions

FAQs

Find detailed responses to some of our most frequently asked questions.

How do I schedule service?

You can schedule service by calling us at 623-745-5896. Whether you need in-shop repairs, mobile diagnostics, or DOT inspections, we’re ready to help.

What kind of vehicles do you work on?

We work on heavy-duty, medium-duty, and light-duty diesel trucks, trailers, RVs, buses, and construction equipment. Our team is trained to handle a wide variety of commercial vehicle platforms.

Where are you located?

Our shop is located at 2450 S 7th Street, Phoenix, AZ 85034. We’re near Interstate 17 and easily accessible for trucks, fleets, and equipment of all sizes.

Do you offer mobile truck repair?

Yes. We offer mobile diagnostics and repairs within a 50-mile radius of our Phoenix shop. It’s ideal for fleets or operators who can’t bring their vehicle in.

Do you service fleet accounts?

Yes. We provide fleet maintenance programs tailored to your service intervals, vehicle types, and compliance requirements. Fleets receive scheduling priority and dedicated service support.

Do you offer towing?

We do. If your truck or equipment can’t be repaired on-site, we offer towing within a 30-mile radius back to our shop for full-service repairs and diagnostics.

Are your technicians certified?

Yes. Our technicians are highly trained and experienced in diesel systems, including engines, transmissions, emissions, electrical, and hydraulics. We service all major brands and models.

Contact Us Today

Need professional truck services? Call Complete HTR at 623-745-5896 to schedule inspections, roadside assistance, welding, or mobile repair. We keep your equipment running and your team on the road.

Don't Take our word for it.
Read Customer Testimonials.

"Great reliable truck repair and mobile work. Ivan and Adrain great service guys."

Younes Pouladsadeh

"Amazing customer service, fair pricing and quick in and out. Called first, made a same day appointment,  was out in about 5 hours. I definitely recommend them for the truck driver in need of service."

Nicholas D

"Had DEF pump replaced on one of our Freightliner Cascadias. Service was fast, friendly and very economical. Will recommend to others. Small but Great place who will treat you right!"

Hugh Jones

Contact Us

Let us know what is going on with your vehicle, and we will get back to you soon with a quote.

Contact Information

Phone Number

623-745-5896

Hours

Mon - Fri: 7:00AM - 5:00PM

Location

2450 S 7th Street Phoenix, AZ 85034
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