A working vehicle, including: an HST pedal which operates an HST; a damper arm which interlocks with an HST pedal rotation-shaft of the HST pedal; a damper attached to the damper arm; and a transmission case, wherein the transmission case has a first transmission case swelling part swelling to at least one side with respect to a left-and-right direction, and the damper is arranged behind the first transmission case swelling part.