The present invention relates to a device for loading and unloading a washing machine with a plurality of components to be subjected to washing.More in particular, the present invention concerns a device adapted to facilitate the loading and unloading of an automated washing machine 100 of the tunnel type with components to be subjected to washing, said device being able to house different types of small basins and allowing the positioning problems afflicting tunnel washing machines, which make it impossible to fully automate the process for loading and unloading the components, to be overcome.