A patient support (10) including a propulsion system (16) for moving the patient support. The patient support includes a propulsion system having a propulsion device (18) operably connected to an input system (20). The input system controls the speed and direction of the propulsion device such that a caregiver can direct the patient support to a desired location. The propulsion device includes a traction device (26) that is moveable between a storage position spaced apart from the floor and a use position in contact with the floor.