Alliance Agriflex 520/85R38 Tires & Rims, Qty ( 4 ), Take Offs, Fits John Deere R4038, R408, R10 & R412 Series Sprayers, Seller States: 95-100% Tread, Mounted On 18 X 38 Dual Rims, 12-13.976-11.857 Bolt Pattern