PROBLEM TO BE SOLVED: To provide a riding electric working vehicle which facilitates replacement of its electrical equipment and its maintenance.SOLUTION: The electric lawn mower 10 includes: a pair of rear wheels 12 and 12 on the right and left a main frame 18 disposed between and adjacent to the rear wheels 12 and 12 fenders 24L and 24R covering each of the rear wheels 12 from above a pair of traveling motors 31 and 31 on the right and left, which drive the rear wheels 12 and 12 on the right and left, respectively and a driver E1 for the traveling motors, which controls the revolution of the traveling motors 31. The fenders 24L and 24R are opened/closed freely, and have a housing portion formed inside each of the fenders 24L and 24R so that the driver E1 for the traveling motors is housed in the housing portion.COPYRIGHT: (C)2012,JPO&INPIT【課題】電装品の交換やメンテナンスを容易に行える電動乗用作業車両を提供する。【解決手段】左右一対の後輪12,12と、後輪12,12の間で、かつ、後輪12,12に隣接して設けられるメインフレーム18と、後輪12を上方より覆うフェンダー24L,24Rと、それぞれの後輪12,12を駆動する左右一対の走行モータ31,31と、走行モータ31の回転を制御する走行モータ用ドライバE1とを備える電動ローンモア10であって、フェンダー24L,24Rを開閉自在とするとともに、フェンダー24L,24R内に収納部を形成し、収納部に走行モータ用ドライバE1を収納する。【選択図】図3