Goodyear Optitrac R-1W 520/70 R38 150D Goodyear Optitrac R-1W 520/70 R38 150D Goodyear Optitrac R-1W520/70 R38 150D Vehicle type: Special Usage: Farm Manufacturer: Goodyear Width: 520 Height: 70 Construction: R Diameter: 38 Load index: 150 Speed index: D Highest Price: