Abstract: A reversing gear box is provided for use with an auger having a housing, a flight rotatably mounted therein and a motor for driving rotation of the flight. The gear box includes a drive shaft coupled to the motor and a driven shaft coupled to the flight of the auger at right angles to the driven shaft. A drive gear is mounted on an end of the drive shaft between a pair of confronting driven gears mounted on the driven shaft. A sliding element is slidably mounted on the driven shaft between a forward position and a rearward position for selectively coupling the driven shaft to the drive gear via the driven gears. In the forward and rearward positions, rotation of the drive shaft in a forward direction corresponds to rotation of the driven shaft in respective forward and rearward directions. An actuator displaces the sliding element between the forward and rearward positions as desired.