A stub axle or stud axle is either one of two front
axle
An axle or axletree is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, beari ...
s in a
rear wheel drive
Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars.
Most rear-wheel ...
vehicle
A vehicle (from la, vehiculum) is a machine that transports people or cargo. Vehicles include wagons, bicycles, motor vehicles ( motorcycles, cars, trucks, buses, mobility scooters for disabled people), railed vehicles ( trains, trams ...
, or one of the two rear axles in a front wheel drive vehicle. In a rear wheel drive vehicle this axle is capable of angular movement about the
kingpin
Kingpin or king pin may refer to:
Vehicular part
* Kingpin (automotive part), the pivot in the steering mechanism
** The central bolt of a skateboard, axle assembly ("truck"), around which the rest of the mechanism can flex, allowing the rider ...
for steering the vehicle.
The stub or stud axle is named so because it resembles the shape of a stub or stud, like a truncated end of an axle, short in shape and blunt.
There are four general designs:
# Elliot stub axle
# Reversed Elliot
# Lemoine
# Lemoine inverted
Vehicle parts
{{Automotive-part-stub