Stacker for swap bodies, swap bodies with attached stacker

The invention relates to a stacking device (40) for attachment to the underside of a swap body (10) for transport of goods, wherein the interchangeable container (10) at the bottom in each corner at least one fastening bracket (20; 21; 22; 23). The stacking device (40) according to the invention comprises a rectangular base body, in each of whose vertices at least one locking device (31; 32, 33; 34) is mounted, wherein the locking device (31; 32, 33; 34) is formed so that with about them a mounting bracket (20; 21; 22; 23) of the interchangeable container (10) temporarily fixed connection can be established. The invention further relates to an interchangeable container (10) with such at the bottom of the interchangeable container (10) fixed to the stacking device (40).