While fleet trucks and vehicles tend to persist as some of the more simplistic vehicles on the road, the modernization and computerization of the automotive world has not left them untouched. These days, everything is equipped with computer systems, sensors, modules, and more. At WORKING CLASS AUTO AND DIESEL in Pell City, AL, our professional technicians have the knowledge, equipment, and ability necessary to provide the accurate and vital diagnostics required to keep your fleet on the road.