Patent ID: 8720634

Claim:
A working vehicle comprising: a working unit that includes non-steered wheels driven so as to rotate about an axis extending in a vehicle width direction as a rotational center; a frame that is connected to the working unit; and a steering drive device that is provided in the frame, wherein the steering drive device includes a pair of steered wheels that is disposed in the vehicle width direction, a steering device that independently steers the pair of steered wheels respectively, a driving device that rotationally drives at least one steered wheel of the pair of steered wheels, a caster angle of the steering device is set to 0° with respect to each of the pair of steered wheels, a king pin axis of the steering device is set to be orthogonal to a rotation axis of each of the pair of steered wheels, and the king pin axis of the steering device is set to a predetermined position that is separated from a middle of the width of each of the pair of steered wheels.