About Us

• Every day when we open our doors at CMC Diesel in Big Timber, MT, our goal is to provide great customer service, by offering affordable service that is performed at the highest industry standard. By implementing the latest diagnostic equipment and computerized repair manuals, you can rest assured that your vehicle will be repaired by factory specifications that fit your specific vehicle. We are a light duty diesel truck and car repair shop. We are experienced and competitive and we are willing to go the extra mile to help our customers get the most out of their vehicles. Our services include everything from an oil change tp general maintenance and performance upgrades. We believe in honest repairs and we demonstrate that by fully explaining the repair or service you are receiving. We stand behind our workmanship. With over 20 years Diesel experience and owner Clay Cowell with a Bachelors Degree in Diesel Mechanics from MSU Northern, you can trust our team here at CMC Diesel to take care of your repair needs. We offer the following services: Diesel Truck Repairs Diesel Truck Maintenance Fleet Repairs Diesel Truck Performance Brake Repair Truck Service & Repair Transmissions-Truck & Tractor Auto Repair & Service We will go the extra mile so your vehicle can too! Come by and see us today at 1008 East 1st Ave Big Timber, MT or give us a call at (406) 932-5021 to make an appointment or to talk to our trained team about your repair needs!