Delafield’s own Ryan’s Diesel Service brings unmatched local ownership to your diesel repair needs, ensuring you receive personalized attention and support that larger chains simply can't offer. With years of experience in the diesel industry, our team specializes in a wide range of services tailored for modern diesel trucks, such as engine overhauls, head gasket replacements, and drivetrain repairs, including transmissions and differentials. Our expertise also extends to fuel system upgrades and turbocharger installations, accommodating both stock and race applications. In addition, our mobile service truck enables convenient on-site repairs, so you won't have to worry about downtime for simple issues. We also offer Department of Transportation (DOT) inspections, providing comprehensive oversight for your vehicle. With a focus on delivering exceptional results, Ryan’s Diesel backs its work with a solid warranty, ensuring your peace of mind while driving through the Wisconsin roads. Choose Ryan’s Diesel Service for a level of care and quality that is second to none.