Abstract: The invention relates to an automatic load-parking system comprising:—a plurality of storage locations placed at different levels;—at each level, at least one main aisle enabling access to the storage locations;—at least one shuttle configured to carry the load to be parked and to move the latter horizontally into the storage locations;—at least one carrier configured to carry the shuttle and move the latter horizontally into the main aisle;—at least one elevator configured to carry the shuttle and/or the carrier and move them vertically from one level to the other in a vertical shaft; and—a control unit enabling the automatic management of the movement of the shuttle, the carrier, and the elevator so as to move the loads between a transfer area and the storage locations. The invention is characterized in that the storage locations (12) are not all the same size; the heights, widths, and lengths thereof vary, so the control unit (2) is equipped with a means for detecting the size, i.e.