Ozark Mountain Diesel provides professional diesel repair in Springfield, Missouri, near I-44 and Hwy 65. We serve owner-operators, trucking companies, and commercial fleets. We offer fast breakdown repair, advanced engine diagnostics, DOT inspections, and preventative maintenance. We are experienced in semi-truck engine repair for heavy-duty diesel engines. We provide trailer repair, including brakes, suspension, lights, and road-ready trailer service. We can also handle your preventive and scheduled maintenance to help prevent problems.