Stub axle

A stub axle or stud axle is either one of two front axles in a rear wheel drive vehicle, or one of the two rear axles in a front wheel drive vehicle. In a front wheel drive vehicle this axle is capable of angular movement about the kingpin for steering the vehicle. A stub axle or stud axle is either one of two front axles in a rear wheel drive vehicle, or one of the two rear axles in a front wheel drive vehicle. In a front wheel drive vehicle this axle is capable of angular movement about the kingpin for steering the vehicle.