We help commercial fleets stay road-ready with consistent, reliable, and DOT-compliant repair programs. Keep your trucks on schedule and out of the shop with professional fleet maintenance from Iron Buffalo.
Commercial Fleet Maintenance in Denver, CO, and Kalispell, MT
Whether you’re managing delivery vans, vocational trucks, or long-haul semis, we tailor maintenance intervals and services to match each unit’s workload and mileage. Our shops are staffed with experienced diesel technicians who prioritize consistency and precision. Our programs are designed to catch minor issues before they turn into major downtime—keeping every vehicle in your fleet safe, efficient, and compliant.
Complete Fleet Maintenance Services
We provide in-shop and scheduled mobile services to keep your fleet running smoothly. Our fleet maintenance offerings include:
- Preventive maintenance (PM) inspections
- Engine oil and filter changes
- Transmission and differential service
- Brake inspections and pad replacement
- Suspension and steering checks
- Battery testing and replacement
- Lighting and electrical checks
- Fluid analysis and top-offs
- DOT inspection preparation
We track service intervals and provide detailed reports for each unit to help you stay ahead of breakdowns and reduce unexpected repairs.
What Makes Us Different
Fleet maintenance isn’t just about changing oil—it’s about creating a system that prevents failure. We develop customized maintenance schedules based on your fleet’s real-world usage, minimizing unplanned service stops and helping your vehicles pass inspections without issue.
With locations in Denver and Kalispell and mobile support available for larger fleets, we ensure your trucks stay ready for the road while reducing downtime and repair costs over the long term.
Need Fleet Maintenance?
Looking to streamline your fleet’s repair schedule? Call Iron Buffalo now at 303-623-7049 (Denver) or 406-890-7001 (Kalispell). We’ll help build a fleet maintenance plan that keeps your trucks reliable and road-legal.
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.
How Often Should Fleet Maintenance Be Performed?
Most commercial trucks should undergo PM service every 10,000–25,000 miles depending on usage. We customize schedules based on your fleet’s needs and DOT guidelines.
Do You Track Maintenance History?
Yes. We log every service visit, inspection, and repair, giving you full visibility into your fleet’s health and helping you stay audit-ready.
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).
Semi Truck Repair & Diesel Services in Denver, CO & Kalispell, MT
At Iron Buffalo, we provide expert semi truck and equipment repair, fleet maintenance, and specialty diesel services to keep your vehicles performing at their best.From semi-truck repair and hydraulic cylinder services to DOT inspections, mobile truck repair, and truck-mounted crane maintenance, our certified technicians deliver reliable solutions tailored to your needs. Whether you need routine preventive maintenance or complex engine diagnostics, our Denver, CO, and Kalispell, MT locations are equipped to handle the job. Contact us to schedule service and keep your semi trucks, trailers, and heavy equipment running strong.
Light, Medium, and Heavy Duty Vehicles & Fleets
Emissions Testing & CARB Clean Truck Check
Trailers, Commercial & Industrial Equipment
Loaders, Truck-Mounted Cranes & Conveyers
Services
Our Services
At Iron Buffalo, we provide expert heavy-duty truck and equipment repair, fleet maintenance, and specialty diesel services to keep your vehicles performing at their best.From semi-truck repair and hydraulic cylinder services to DOT inspections, mobile truck repair, and truck-mounted crane maintenance, our certified technicians deliver reliable solutions tailored to your needs. Whether you need routine preventive maintenance or complex engine diagnostics, our Denver, CO, and Kalispell, MT locations are equipped to handle the job. Contact us to schedule service and keep your trucks, trailers, and heavy equipment running strong.
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