An industrial truck includes a radiator (3), a cooling air line (4), and a filter (6) that is located in the vicinity of the cooling air line (4). A cleaning device that can be effectively connected with the filter (6) can be integrated into the cooling air line (4). The cleaning device has a wiper (9) that can be moved along the outside surface of the screen (6) and is equipped so that it can be engaged with a drive device and can be fastened to a lever arm in the form of a parallel arm (10).