a towed farm implement includes a set of auxiliary wheels mounted for elevating the implement to a height which permits the implement to be pulled over and lowered onto a transport trailer or which permits the trailer to be otherwise maneuvered to a loading position beneath the implement . once the implement is loaded , a pivoted tongue of the implement is positioned so as to be used for the endwise transport of loaded implement . in one embodiment , the auxiliary wheels are mounted on their own lift arms for being swung vertically by an adjusting mechanism that is independent of that use to effect vertical adjustment of the ground wheels . in another embodiment , the wheel support arms of the ground wheels and the lift arms to which the auxiliary wheels are mounted are secured together for being swung by the same adjusting mechanism .