RDT 1700: Trailed 2-row potato harvester, based on the generally known harvesting and sorting mechanism. This machine is equipped with 3 harvesting webs and 1 hedgehog belt, 2 haulm rollers next to the discs, 4 discs, 2 agitators on the first harvesting web, 2 rubber haulm rollers, 4 gears, elevator (900mm), bunker with roller bottom, hinge able falling diaboloes, hydraulic level regulation, hydraulic driven sorting table with goose neck, cylinders are supplied by the tractor oil, electrical-hydraulical dividers.