A tire-wheel transport pallet having engaging parts engaging the lower circumferential edge section of the rims of a plurality of tire wheels, and a mounting surface on which the tire wheels lying sideways are arranged; a partition plate prevents a horizontal positional shift, and interposed between an upper and a lower level of the tire wheels, which are stacked on the mounting surface in a plurality of levels; a lid covering the uppermost level of the tire wheels, and having, on its bottom surface, a plurality of wheel-position-determining concavities engaging the upper circumferential edge section of the rims of the tire wheels. Furthermore, the bottom surface of the pallet has a plurality of legs projecting downward, and the top surface of the lid has a plurality of leg-position-determining concavities corresponding to the plurality of legs on the pallet, so to stack a plurality of units.