A load handling device that is installed between a supply position and a loading position, and configured to load at the loading position the load that has been fed from the supply position. The load handling device includes a base platform, a lifting unit that is movable up and down relative to the base platform, a pair of forks that is configured to support a bottom surface of the load that has been fed from the supply position, a fork distance adjusting mechanism that is configured to adjust a distance between the pair of forks in accordance with a size of the load, and a fork advancing/retracting mechanism that is configured to cause the pair of forks to advance to or retract from the loading position.