PURPOSE: To provide a steering device capable of very easily performing reversing by stepping in a pedal, in the case of reversing a machine body by a super pivotal turn mechanism without using a speed change lever.

CONSTITUTION: In a running work vehicle wherein a pivotal turn and super pivotal turn can be selected by a single steering lever 27 provided in a driver's seat by providing a super pivotal turn mechanism for individually reversing a pair of right/left steering mechanisms and a steering mechanism, the steering lever 27 or a reversing command means 54 in the vicinity thereof is provided in the driver's seat, and based on a command of the reversing command means 54, the right/left steering mechanisms and the super pivotal turn mechanism are actuated, to obtain a steering device of the running work vehicle capable of reversely running.