PROBLEM TO BE SOLVED: To provide an electric riding lawn mower capable of stable traveling by mounting a collector on a traveling vehicle body. SOLUTION: A mower deck 1 for cutting lawn is provided in a lower front portion of a traveling vehicle body 12 supported by front wheels 9 and a rear wheel 10, and a front motor 9M for driving the front wheels 9 and a rear wheel 10 are driven in the lower portion of the traveling vehicle body 12. A motor 10M is provided, a collector 3 for collecting the mowing grass sent from the mower deck 1 is provided so as to be able to move up and down on the rear wheel 10 of the traveling vehicle body 12, a control seat 4 is provided in front of the collector 3, and the traveling vehicle body 12 below the collector 3 is provided. It is a passenger lawn mower equipped with a battery unit 13 as a power source. [Selection diagram] Fig. 3【課題】本発明は、コレクタを走行車体上に搭載することで安定した走行が行える電動の乗用型芝刈機とすることを課題とする。【解決手段】前輪9と後輪10で支持した走行車体12の前下部に芝生を刈り取るモアデッキ1を設け、走行車体12の下部に前輪9を駆動する前モータ9Mと後輪10を駆動する後モータ10Mを設け、モアデッキ1から送られる刈芝を溜めるコレクタ3を走行車体12の後輪10上で昇降可能に設け、該コレクタ3の前に操縦座席4を設け、コレクタ3下方の走行車体12上に動力源となるバッテリユニット13を搭載する乗用芝刈り機とする。【選択図】図3