An agricultural harvester (10) has a header and feeder drive system (70) including a forward belt drive arrangement (82, 182) and a reverse belt drive arrangement (84, 184). The forward belt drive arrangement (82, 182) includes a forward drive belt (86, 186) and a forward belt drive tensioner (106, 206) operated by an actuator (104, 204). The reverse belt drive arrangement (84, 184) includes a reversing motor (100, 200) and a reverse drive belt (96, 196) selectively engaged with the feeder drive system (70) by operation of the same actuator (104, 204).
