Goodyear Optitrac R-1W 600/65 R34 157D Goodyear Optitrac R-1W 600/65 R34 157D Goodyear Optitrac R-1W600/65 R34 157D Vehicle type: Special Usage: Farm Manufacturer: Goodyear Width: 600 Height: 65 Construction: R Diameter: 34 Load index: 157 Speed index: D Highest Price: