Abstract: An agricultural implement comprising a tool bar having ground working tools supported thereon. The tool bar comprises a main frame with a pair of wing frames pivotally connected to the ends thereof. The wing frames are pivotally connected to the main frame so that the wing frame may be pivotally moved from a working position to a transport position over a portion of the main frame. The pivotal connection between each of the wing frames and the main frame comprises a first support secured to one end of the main frame and extending upwardly therefrom. A second support is secured to the inner end of the wing frame and also extends upwardly therefrom. The upper end portions of the first and second supports are pivotally connected about a horizontal axis which is transversely disposed to the length of the tool bar.