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307-333-5176
Frontier Truck, Trailer, & Equipment Works LLC

Frontier Truck, Trailer & Equipment Works, LLC provides expert repair, fabrication, and service for heavy-duty trucks, trailers, and equipment. With certified technicians, a fully equipped shop, and 24/7 mobile response, we handle everything from DOT compliance to structural repairs. Built on hands-on experience, we keep commercial fleets and work equipment running safely, reliably, and ready for the next job.
WHAT WE OFFER

Keep your fleet moving with reliable, fast-response truck repair you can count on. We handle everything from engine diagnostics and drivetrain repairs to suspension and brake system service.

Get expert trailer repair that keeps you DOT-compliant and road-ready. We service utility, flatbed, enclosed, and gooseneck trailers with frame welding, axle repair, electrical work, and more.

Stay ahead of costly downtime with proactive equipment repair and maintenance. We service construction, agricultural, and industrial equipment including loaders, lifts, and small fleets.

Pass inspections with confidence thanks to our certified DOT inspection services. We check all commercial trucks and trailers for compliance with federal safety regulations, including brakes, lighting, tires, and...

When you can’t come to us, we come to you—fully equipped and ready to work. Our mobile mechanics perform on-site diagnostics, minor repairs, and maintenance on trucks, trailers, and equipment across Wyoming.
REVIEWS
Backed by decades of hands-on industry experience, Frontier Truck, Trailer & Equipment Works, LLC has earned a reputation for reliable, precision-driven work. Our certified team services everything from Class 8 trucks to specialized construction equipment—both in-shop and in the field.

Our skilled team ensures expert workmanship and safety compliance on every project, big or small.

We're ready any time, day or night, to respond quickly to urgent repairs and breakdowns.

From routine fleet service to precision custom builds, we handle it all in-house for maximum efficiency.

We deliver rapid results while maintaining the highest standards in materials and craftsmanship.
We prioritize breakdowns and travelers, offering same-day or next-day service whenever possible. Contact us with your location and issue, and we’ll get you back on the road promptly.
Yes. Our technicians provide a detailed explanation of the issue, supported by photos or diagnostic results if needed. You approve the work before any repairs begin.
Many customers find our repairs are significantly less expensive than dealership pricing while maintaining high-quality parts and workmanship. Bring us your estimate and we’ll review it with you.
Yes. Our technicians are experienced with all major diesel platforms and have the tools and training to diagnose and repair them correctly.
We offer winterization services, including fuel system treatments, battery checks, and cold-weather inspections to prevent gelling and hard starts.
Absolutely. We support commercial fleets, construction equipment, and oilfield operations with both scheduled maintenance and on-demand repair.
Our goal is to minimize downtime. In many cases, we can complete repairs the same day or within 24 hours. If parts need to be ordered, we provide clear timelines up front.
Yes. We offer full DOT and safety inspections for trucks and trailers, and can complete any necessary repairs to ensure compliance.
Yes. Our mobile service team can come to your job site or roadside location to perform diagnostics and repairs when transporting equipment isn’t practical.
We stand behind our work. If there’s a problem related to the repair, contact us and we’ll address it promptly and professionally.
Need expert repairs or mobile service for your fleet or equipment? Call 307-333-5176 now to speak with a technician and schedule fast, reliable service.
5734 W Old Yellowstone Hwy,
Casper, WY 82604
Business Hours:
Monday - Sunday: 8:00 am - 5:00 pm
with 24/7 call out as needed
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