PURPOSE: To provide a self-traveling single wheel power vehicle ideal for the transportation of loads on small paths in the mountains, the use of power source at an arrival place, or the like.

CONSTITUTION: This self-traveling single wheel power vehicle is formed being provided with a single wheel tire 5 driven by a motor, a pallet 1 formed of a longitudinal frame body, a lateral frame body and an outer frame body, a handle 2 connected to the pallet 1 and provided with lateral grip parts, a support belt 3 fitted to the handle 2, a control means provided at the handle 2 so as to perform the start, accceleration and braking (stop) of the motor, and an electric machine support member 6 provided with the motor, a feed generator for the motor, a plug socket 7, and the like.