The sorter is designed to sort potatoes into 3 dimensional fractions. The sorting process is carried out with use of three sieves secured with plastics that protects from mechanical damage. STRZELEC sorter is a simply and light construction driven by the electric motor. It provides an easy distinction between potatoes for eating, seeding and small residues. It is sufficient for the needs of every small and medium-sized farms, it also provides purification of potatoes from small pollutions and soil.