
When your job site depends on uptime, trust Iron Buffalo for fast, professional construction equipment repair. We service all major machines—on-site or in-shop—to keep your projects moving forward.

Construction Equipment Repair in Denver, CO, and Kalispell, MT
Iron Buffalo provides expert construction equipment repair in Denver, CO and Kalispell, MT. Whether it’s a loader, dozer, or excavator, our team is trained to identify faults fast and deliver lasting repairs that keep your site operational. If your construction equipment is underperforming or non-operational, we’re the team to call.
Full-Service Construction Equipment Repair
Iron Buffalo offers comprehensive repair and maintenance services for all construction machines, including:
- Hydraulic system troubleshooting and cylinder repair
- Diesel engine diagnostics and repairs
- Electrical and control system diagnostics
- Coolant system repairs and radiator replacements
- Undercarriage service and component replacement
- Fuel system repair and filtration
- Track system inspection and realignment
- Preventive maintenance scheduling
Our repair process ensures your machines are reliable, OSHA-compliant, and ready for heavy-duty use on any site.
What Makes Us Different
Construction equipment doesn’t fail on your schedule—it fails when the pressure is highest. At Iron Buffalo, we understand the urgency and complexity of job site repairs. Our mobile service trucks are loaded with the tools and technology needed to diagnose and repair issues fast.
Our Denver and Kalispell repair facilities are equipped for major in-shop work, while our field service teams are dispatched promptly for urgent site repairs. We service a wide range of equipment brands, and our technicians stay current with modern diagnostic software and control systems.
Need Construction Equipment Service?
If your equipment has broken down or needs preventive maintenance, call Iron Buffalo today at 303-623-7049 (Denver) or 406-890-7001 (Kalispell). We’ll keep your construction machinery running and your crew on schedule.
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.
Can You Service Equipment On-Site at Our Job Site?
Yes. We offer full field service capabilities and can diagnose and repair your construction equipment on the job site to reduce downtime.
What Types of Machines Do You Repair?
We service excavators, dozers, track loaders, backhoes, graders, and other diesel-powered construction equipment from all major manufacturers.
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