When your rig breaks down, trust the mobile diesel experts who keep America moving. We specialize exclusively in diesel engines and semi-trucks — no cars, no light-duty work. From roadside 18-wheeler repair and trailer service to welding, hydraulic hose replacement, and full engine diagnostics, we handle it all on-site. Experienced with Cummins, Caterpillar, Detroit Diesel, Volvo, Freightliner, Peterbilt, and Kenworth engines, we bring the shop to you with fast, reliable service that keeps your truck running strong and your business on schedule.