Description 7/8" Hex Drive Sprocket, 19 Tooth, #41 Chain, Working Width 2-1/8", Overall Width 2.85". Fits 7000, 7200, 7300, 1700 Series, MaxEmerge Plus, MaxEmerge XP Planters, 1530, 1535 Drills. Replaces JD AA36212. This item is a suitable alternative for the following: 488-1236212, GA1720, G36212, AA36212