Steering, Linkages, Knuckle, Spindle, Arm July 1, 2021 NHTSA recall 21V501000 53 units Mac Trailer Mfg., Inc. (Mac Trailer) is recalling certain 2017-2020 Dump trailers equipped with Ingersoll Smart-Steer self steer axles. The steering arm may detach from the steering knuckle during certain low-speed, high-side… Full recall details: the risk and what to do →