A wheel attachment assembly (10) mountable to an agricultural implement (22) that is drawn by a vehicle having front steering wheels and, the assembly including: at least one ground engaging wheel (14, 14′) a lift actuator (34, 34″) for lifting the implement with respect to the wheel a mounting arrangement for mounting the assembly to the rear of the implement and a steering mechanism (60) for steering the wheel, wherein the steering mechanism is controllable such that the at least one wheel is steered in cooperation with the vehicle front wheels when the vehicle is turning.
