15'' 3.5MM DISC OPENER. REPLACES GA2013/AA37474 FOR JOHN DEERE 7000,7100,7200 MAX EMERGE AND KINZE ALSO FITS NEW IDEA#CD2013 AND WHITE6100# 852063---COMPLETE ASSEMBLY WITH HEAVY DUTY HUB,BEARING, AND CAP. WILL NOT FIT XP ROW UNITS!! ORDER PART# 109770 FOR THE XP UNITS.