John Deere hydraulic downforce. Have a hyd. downforce kit for a john deere 1775 24 row 30 inch. Will work on 2018 or newer planter with seed star 4. Bought it and found out my planter was to old for this is the reason for selling. Only I know is missing is the irhd valve. This kit new was 36,000. Everything is new call or text with any questions