This machine runs with PTO shaft and can harvesting as 2-rows. It has a successful mechanism which enables to sieve the potato-tubers in harsh, soft and normal soil conditions. Potato tubers are passing within a two differential double sieving mechanism which clean the tubers from the soil and put all of them to the sieved soil in an order. It can harvest up to 25 cm depth by means of segmented harvesting blade in harsh and soft soil conditions