
Safe braking is critical for heavy-duty trucks. Iron Buffalo delivers expert brake repair services for commercial vehicles to ensure your fleet stays compliant, responsive, and road-ready at all times.
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Brake Repair in Denver, CO, and Kalispell, MT
Your brakes are the most important safety system on your truck. At Iron Buffalo, we provide full-service brake repairs for heavy-duty, medium-duty, and commercial trucks across Colorado and Montana. Whether you operate a fleet or drive solo, responsive brakes keep you and everyone around you safe. From minor adjustments to full component replacements, your braking system is covered.
Brake Services for Diesel Trucks
Our shops and mobile teams are equipped to repair brake systems on-site or in-shop. Services include:
- Full brake system diagnostics
- Brake shoe and brake drum replacement
- Brake line and air line repairs
- ABS sensor and module diagnostics
- Brake chamber replacements
- Slack adjuster service and adjustments
- Air system leak tests and repair
- Brake system bleeding and pressure checks
We also perform DOT-compliant brake inspections and maintenance to help prevent breakdowns and violations before they happen.
What Makes Us Different
We understand the complexity of heavy-duty brake systems and the responsibility that comes with repairing them. That’s why every technician is trained on commercial braking standards and certified to work on air brake systems and ABS-equipped vehicles.
We prioritize minimizing your downtime without ever compromising the quality of our work. Our in-house parts inventory and mobile repair capabilities mean most issues can be resolved quickly.
Need Brake Repairs for Your Truck?
Looking for reliable brake service fast? Call Iron Buffalo today at 303-623-7049 for Denver or 406-890-7001 for Kalispell. We’ll inspect, repair, and restore your braking system to ensure full stopping power on every route.
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 Are Signs That My Truck Needs Brake Repairs?
Common signs include air leaks, brake fade, irregular noises, pulling to one side, or a delay in braking response. If your brake warning light is on, it’s critical to get inspected right away.
Do You Service Air Brake Systems?
Yes. We specialize in air brake repair and maintenance, including slack adjusters, chambers, lines, and air system diagnostics for all heavy-duty and semi trucks.
How Can I Get in Touch?
If you're ready to schedule diesel repairs, call Iron Buffalo today at 303-623-7049 (Denver) or 406-890-7001 (Kalispell).

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