PROBLEM TO BE SOLVED: To provide a traveling vehicle in which an attitude control mechanism (rolling actuator and pitching actuator) can also be incorporated compactly in a small-sized model with a small structural change in the same manner as a large-sized model owing to miniaturization/simplification such as reduction in the number of parts.SOLUTION: A traveling vehicle comprises a traveling machine body 1 which is configured to have a changeable inclined posture in the longitudinal direction and a changeable inclined posture in the cross direction, in which the traveling machine body 1 is supported by right and left truck frames 21 via a pair of front and rear arms 33,34 of a parallel link shape provided on right and left sides, the rear arm 34 is coupled to a rear part of the truck frames 21 via a driven link 44, and the rear arm 33,34 has connection parts, one of which facing the truck frame 21 is offset to the inner side of the machine body against a connection part facing the traveling machine body 1.