15 INCH X 3.5MM DISC OPENER ASSEMBLY FOR JOHN DEERE XP PLANTERS D8NN6505AA Threaded 1" NPT Cutoff Allowance 55mm Threaded 1" NPT Tractors: MF50 50 Brand AgSmart Make Type Model John Deere Planter 1700 John Deere Planter 1705 John Deere Planter 1715 John Deere Planter 1725 John Deere Planter 1735 John Deere Planter 1755 John Deere Planter 1765 John Deere Planter 1765NT John Deere Planter 1770NT John Deere Planter 1775 John Deere Planter 1775NT John Deere Planter 1785 John Deere Planter 1790 John Deere Planter 1795 John Deere Planter DB120 John Deere Planter DB44 John Deere Planter DB58 John Deere Planter DB60 John Deere Planter DB60T John Deere Planter DB66 John Deere Planter DB80 John Deere Planter DB88 John Deere Planter DB90 John Deere Planter DR12 John Deere Planter DR16 John Deere Planter DR18 John Deere Planter DR24 John Deere Planter DR8T John Deere Planter ExactEmerge John Deere Planter MaxEmerge 5 John Deere Planter MaxEmerge XP John Deere Planter MaxEmergeP John Deere Planter MaxEmergeP Pro All openers carry a One Year Warranty against defects in materials or workmanship