A fifth wheel is a coupling that provides a link between the trailer and a truck (or a tractor unit).

Fifth wheel may also refer to:

Fifth-wheel trailer, a type of travel trailer that is a variant of the tractor-trailer version Fifth wheel (Brooks Walker), an invention designed to aid parking cars Fifth Wheel Truck Stops, a truck stop chain across Southern Ontario, Canada The 5th Wheel, an American reality dating show The Fifth Wheel (2013 film), an Italian comedy-drama film The Fifth Wheel (upcoming film), an American comedy film "Fifth Wheel", a song by Avail from their 1998 album Over the James "Fifth wheel", a phrase used in the United Kingdom meaning someone who is unwanted and unimportant in a situation. , Russian journalistic TV channel from perstroika times, best known for the hoax "Lenin was a mushroom" References