Abstract: An article storage facility with a storing shelf structured by lining up a plurality of article storage units in the vertical direction and the horizontal direction. A stacker crane travels along a traveling rail to transport articles to each article storage unit. The stacker crane has a traveling cart having a pair of vertical-movement guiding masts set upright on both ends of the traveling cart in the front-back width direction, and a vertical-movement platform movable vertically along the pair of vertical-movement guiding masts between the pair of vertical-movement guiding masts. An article transfer device is provided on the vertical-movement platform. The stacker crane has a work frame, having a width in the sideways direction of the traveling cart and the front-back width direction of the traveling cart between the pair of vertical-movement guiding masts structured so as to be freely attached and removed.