<p>The attachment (20) has a carrier frame comprising a middle part (38) to which a cover (58) is pivotably hinged about a vertical axis (68). The cover is in drive connection with side parts (40) of the frame such that the cover extends along a rear side with the side parts in an operating position and extends forward from the middle part with the side parts in a transport position. The cover covers the middle part, and accommodates and conveys elements (32) for accommodating and conveying vegetables to a side.</p>