Axle

An axle is a shaft on which the wheels revolve. A full-floating axle is used to drive the rear wheels. It does not hold them on nor support them. A semi-floating or one-quarter floating axle is used to drive the wheels, hold them on, and support them. A three-quarter floating axle is used to drive the rear wheels as well as hold them on, but it does not support them. A live axle holds the wheels and transmits power to the wheels. A dead axle or beam axle merely holds the wheels, but does not transmit power to the wheels.
See also ackermann axle, back axle, banjo axle, beam axle, cambered axle, dead axle, de Dion axle, driven axle, driving axle, drop-center axle, dropped axle, dual axles, Elliot axle, Elliot type axle, front axle, full-floating axle, gross axle weight rating, hypoid axle, I-beam axle, Jeantaud axle and steering, live axle, low pivot swing axle, rear axle crossmember, rear axle differential, rear axle housing, rear axle ratio, reverse-Elliot type axle, reversed Elliot axle, rigid axle, rigid axle connection, semi-floating axle, slewed axles, spread axle, steering axle, stub axle, swing axle ., tandem axle, three-quarter floating axle, torque tube axle, trailing axle, twin axle, twist-beam rear axle, two-speed axle, weissach axle, z-axle.