Royal Diesel is available for commercial truck repair work all over Utah. Our technicians are UDOT certified. We’re locally owned and operated and available for all your diesel truck, 18-wheeler, truck trailer, and commercial truck repair needs. With over 80 years of combined experience, Royal Diesel Truck has seen and repaired it all. Roadside assistance is available during business hours or feel free to bring your vehicle into our 20,000 square foot shop. With modern diagnostic tools, we’re able to assess and diagnose any issues with your truck and rest assured that we can get it fixed quickly.