The drum scrubber is designed for energetic total washing of aggregates containing impurities.

The mixing and conveyng action of material takes place by means of a series of  blades and draining buckets.

The water flow is countercurrent with respect to that of the material. The machine body is composed of a drum in thick steel plate lined with wear-resistant materials.

The transmission is ensured by two gearboxes which give the movement to two pairs of rubberized wheels.