A lawn mower, comprising a vehicle body that is supported by a plurality of wheels a support frame that is connected to a rear part of the vehicle body a grass collector that is supported on the support frame so as to be pivoted between a grass collecting position and a discharge position about an axis oriented in the transverse direction of the vehicle body, the grass collector having a bottom surface a swiveling body that is connected to a rotating shaft of the grass collector to be rotated in unison so as to switch the grass collector between the grass collecting position and the discharge position and a cylinder connected to the swiveling body and to the support frame wherein the swiveling body and the cylinder are disposed below the grass collector in the grass collecting position, and the cylinder extends along the bottom surface of the grass collector.
