Goodyear Optitrac R-1W 420/85 R34 147D Goodyear Optitrac R-1W 420/85 R34 147D Goodyear Optitrac R-1W420/85 R34 147D Vehicle type: Special Usage: Farm Manufacturer: Goodyear Width: 420 Height: 85 Construction: R Diameter: 34 Load index: 147 Speed index: D Highest Price: