An article transport apparatus provided with a transfer apparatus that moves an article in a transfer direction, and a movement apparatus that moves the transfer apparatus along a transport path, a direction orthogonal to the transfer direction when viewed in a vertical direction being defined as a width direction, the transfer apparatus being provided with a first protruding/retracting unit capable of protruding/retracting in the transfer direction, and a second protruding/retracting unit capable of protruding/retracting in the transfer direction and installed in a state spaced apart from the first protruding/retracting unit in the width direction; the transfer apparatus further comprising a first drive unit that moves the first protruding/retracting unit in the width direction, and a second drive unit that moves the second protruding/retracting unit in the width direction; the first drive unit being provided with a first connection unit connected to the first protruding/retracting unit, a swing mechanism that swings the first connection unit around a prescribed axis, and a first drive mechanism that drives the swing mechanism, the first drive unit being configured to move the first protruding/retracting unit in the width direction within a first setting range by swinging the first connection unit; and the second drive unit being provided with a second connection unit connected to the second protruding/retracting unit, a reciprocating movement mechanism that moves the second connection unit in a reciprocating manner along a prescribed path in the width direction, and a second drive mechanism that drives the reciprocating movement mechanism, characterised in that the second drive unit is configured to move the second protruding/retracting unit in the width direction within a second setting range wider than the first setting range by moving the second connection unit back and forth in the prescribed path. a direction orthogonal to the transfer direction when viewed in a vertical direction being defined as a width direction, the transfer apparatus being provided with a first protruding/retracting unit capable of protruding/retracting in the transfer direction, and a second protruding/retracting unit capable of protruding/retracting in the transfer direction and installed in a state spaced apart from the first protruding/retracting unit in the width direction; the transfer apparatus further comprising a first drive unit that moves the first protruding/retracting unit in the width direction, and a second drive unit that moves the second protruding/retracting unit in the width direction; the first drive unit being provided with a first connection unit connected to the first protruding/retracting unit, a swing mechanism that swings the first connection unit around a prescribed axis, and a first drive mechanism that drives the swing mechanism, the first drive unit being configured to move the first protruding/retracting unit in the width direction within a first setting range by swinging the first connection unit; and the second drive unit being provided with a second connection unit connected to the second protruding/retracting unit, a reciprocating movement mechanism that moves the second connection unit in a reciprocating manner along a prescribed path in the width direction, and a second drive mechanism that drives the reciprocating movement mechanism, characterised in that the second drive unit is configured to move the second protruding/retracting unit in the width direction within a second setting range wider than the first setting range by moving the second connection unit back and forth in the prescribed path.