Abstract: This invention is directed to a washing system designed primarily for washing automotive parts, and in addition to a washer having a cabinet, a working chamber within the cabinet, and a support table within the cabinet, an improved conveying system is provided to transport parts to be cleaned from a location such as an automotive work station, to the interior of the washing chamber and to transport cleaned parts back to the work station or to storage.The conveying system comprises a mobile carrier having an article supporting tray carried on the upper surface of the carrier and which can be easily pushed into the working chamber of the washer and removed therefrom back onto the mobile carrier. Parallel track or guide means are provided in the top of the mobile carrier and on top of a turntable within the washing chamber to facilitate moving the article supporting tray, which is preferably provided with wheels which are suitable to ride on the parallel tracks or guide means provided.