An agricultural apparatus includes a first main wing and at least one wheel on one side and a second main wing and at least one wheel on an opposite side. The first and second main wings are pivotable about respective axes of rotation between extended positions in which the first and second main wings extend laterally outward from respective opposite sides of the frame structure, and retracted, storage positions in which the first and second main wings extend generally along a length of the frame structure for shipping or transport. The first and second main wings include respective raised sections each configured to extend over a respective wheel on a corresponding side of the frame structure in the storage position. The raised sections each include a frame having a generally concave shape receiving a portion of one of the first and second wheels in the storage position.