The "easy-empty" drop bin fitted with wheels facilitates the transportation of the vacuumed material. The two castors with built-in brakes ensure a good stability even when the machine is placed on slopes. The cyclone pre-separator is a standard feature and pre-separates large amounts of dust before they can get into the filter area. As a result, the life-time of the filter is expanded considerably. A main filter with a large filter surface and a high dust absorption rate (material dust class M approved) ensures long operating periods with no interruption. A manual, external filter cleaning device, guarantees long operating periods and ensures a long life-time of the filter. The accessory support placed at the front side of the machine allows a comfortable storage of the entire suction accessory set. In the additional accessory basket can be stored the small nozzles and tools. The cable hook is a convenient cable storage during working duties and transportation.