A rear door of bodies of lorries or lorry trailers, with at least one door leaf, which is hinged on the body to pivot about at least one vertical door axis provided in the corner region of the body. In order to mount accessories, advertising surfaces or lateral air deflectors, preferably in the region of the main closing edge of the door leaf, a supporting frame is hinged to pivot about a vertical frame axis, which supporting frame extends horizontally and substantially as far as the outer wall. In this lateral region, the supporting frame has a projection along at least part of its height, which projection engages in a groove-like recess congruent thereto on the body or on a component connected thereto, when the rear door is closed ready for travel.