Goodyear Optitrac R-1W 580/70 R38 155D Goodyear Optitrac R-1W 580/70 R38 155D Goodyear Optitrac R-1W580/70 R38 155D Vehicle type: Special Usage: Farm Manufacturer: Goodyear Width: 580 Height: 70 Construction: R Diameter: 38 Load index: 155 Speed index: D Highest Price: