Goodyear Optitrac R-1W 480/70 R34 146D Goodyear Optitrac R-1W 480/70 R34 146D Goodyear Optitrac R-1W480/70 R34 146D Vehicle type: Special Usage: Farm Manufacturer: Goodyear Width: 480 Height: 70 Construction: R Diameter: 34 Load index: 146 Speed index: D Highest Price: