Comprehensive Semi Truck Repair Services in Denver, CO & Kalispell, MT.

Hydraulic failure can stall your operations fast. Iron Buffalo delivers expert hydraulic repair for heavy-duty trucks and equipment—on-site or in-shop—to restore power, pressure, and performance.

Keep your RV road-ready with expert service from Iron Buffalo. We provide complete RV repair and maintenance solutions to ensure safety, comfort, and reliability—no matter where your journey takes you.

When your engine, transmission, or drivetrain reach the end of their life, Iron Buffalo delivers complete diesel powertrain replacement services to restore performance and extend vehicle longevity.

Upgrading your powertrain starts with the right diesel engine conversion. Iron Buffalo offers expert engine swap services for heavy-duty trucks, ensuring performance, compatibility, and long-term reliability.

Electrical issues in heavy-duty trucks can lead to no-starts, warning lights, and lost productivity. Iron Buffalo provides advanced diagnostics and electrical repairs to keep your truck’s systems functioning safely and reliably.

A strong suspension system protects your truck and cargo from damage. Iron Buffalo delivers expert suspension repair for heavy-duty trucks to keep your rig stable, safe, and road-ready.

Dealing with slipping gears or a grinding clutch? We're here to help. Iron Buffalo provides expert transmission and clutch repair for heavy-duty trucks to keep your driveline smooth, responsive, and road-ready.

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.

Driveline issues lead to vibration, noise, and power loss. We deliver expert heavy-duty driveline repair services to keep your truck operating at full strength with smooth, safe, and efficient power transfer.

From minor diesel engine repairs to full overhauls, Iron Buffalo provides expert solutions to restore performance and extend service life. You can count on us to minimize downtime for your heavy-duty commercial trucks.

We offer professional HVAC repair and replacement for heavy-duty trucks, ensuring peak heating and cooling performance year-round. A reliable HVAC system keeps drivers safe, alert, and comfortable.