A working vehicle includes an engine, a vehicle body frame on which the engine is mounted, an exhaust gas treatment device for treating exhaust gas of the engine, and a fixing base for fixing the exhaust gas treatment device, and the fixing base is separated from the engine by a gap. Furthermore, a support body for connecting the fixing base to the vehicle body frame is also separated from the engine by a gap. A bellows pipe for absorbing solid-borne sound is provided in an area where a suction pipe of the exhaust gas treatment device is connected to an exhaust manifold of the engine.