
Keeping your truck running strong starts with expert diesel repair. At Iron Buffalo, we provide complete diesel repair services to keep your trucks performing at their best, mile after mile.


Mobile Light, Medium & Heavy Duty Truck Repair in Denver, CO, and Kalispell, MT
When your truck breaks down, every minute off the road costs you money. Iron Buffalo provides 24/7 mobile truck repair services in Colorado and Montana. Our diesel mechanics come directly to your location—whether you're stuck on the highway, job site, or in your own lot—ready to diagnose and fix the problem fast.
24/7 On-Site Diesel Truck Repairs
Our mobile trucks are fully equipped to handle most diesel repairs right on the spot. Mobile services include:
- Engine diagnostics and repairs
- Transmission and clutch repairs
- Brake system repairs and adjustments
- Coolant system and radiator services
- Electrical system repairs
- Fuel system repairs
- Suspension and steering repairs
- Driveline maintenance
We carry the tools, equipment, and parts needed to get you back on the road safely, minimizing downtime and avoiding costly towing fees.
What Makes Us Different
When you're broken down, you don't have time to wait. Iron Buffalo delivers fast, professional 24/7 mobile repair service. We handle heavy-duty, medium-duty, and commercial fleet trucks with expertise and urgency. Our diesel techs have decades of experience diagnosing and repairing all major makes and models on-site. With Iron Buffalo, you're never stranded for long.
Need Mobile Semi Truck Repair?
Looking for expert mobile semi truck repairs? Call 303-623-7049 for Denver or 406-890-7001 for Kalispell. Iron Buffalo offers fast, reliable, and professional 24/7 mobile semi repair service in both locations.
FAQs
What Areas Do You Serve?
We offer 24/7 mobile repairs and roadside assistance in the following areas:
Colorado: Boulder, CO; Aurora, CO; Centennial, CO; Fort Collins, CO; Greeley, CO; Georgetown, CO; Brighton, CO; Castle Rock, CO; Colorado Springs, CO; and Longmont, CO.
Montana: Whitefish, MT; Bigfork, MT; Somers, MT; Polebridge, MT; Thompson Falls, MT; Polson, MT; Rollins, MT; Libby, MT; and Eureka, MT.
What Types of Truck Repairs Can You Do On-Site?
We can handle engine diagnostics, brake repairs, electrical fixes, coolant system issues, fuel system repairs, and many other services right at your location.
Do You Offer Mobile Repairs for Fleet Vehicles?
Yes, Iron Buffalo specializes in mobile fleet maintenance and repair. We work directly with fleet managers to service multiple vehicles at your facility, eliminating the need to transport units to a shop.
How Can I Get in Touch for Mobile Truck Repair Services?
If you're ready to schedule mobile diesel truck repairs, call Iron Buffalo today at 303-623-7049 (Denver) or 406-890-7001 (Kalispell). Our team will keep your diesel truck running strong.

In-House Diesel Mechanic Repairs
Workmanship & customer service are the cornerstones of our truck repair services. We proudly provide top-rated heavy-duty truck repair & maintenance services from our team of trusted diesel mechanics at Iron Buffalo Truck & Trailer in Denver, CO & Kalispell, MT. From brake and axle repairs, to transmissions and diesel engines, Iron Buffalo will get your commercial truck fixed and running smoothly again. Get in touch with us today to schedule a diesel mechanic repair service at one of our truck repair shop locations.
Customer testimonials

Light, Medium & Heavy-Duty Truck Repair Services in Denver, CO & Kalispell, MT
Trusted Diesel Repair & Fleet Services - Keeping You on the Road & Job Site
Commerce City, CO
5590 E 55th St, Commerce, City, CO
Kalispel, MT
104 Rocky Cliff Lane, Unit 1, Kalispell, MT