The Goodyear Wrangler Duratrac RT tire comes in 305/65R18. It has a Load Index of 128 which means the tire is rated to hold up to 3968 lbs. The tire has a Speed Rating of Q so it is rated to go up to 100 mph. The UTQG rating is 500BB. UTQG is a system of ratings that measures the Treadwear, Traction, and Temperature of the tire. Click here to learn more about the UTQG ratings. The Goodyear Wrangler Duratrac RT is made for Light Trucks, CUVs and SUVs. The tire comes in a Black Side Wall.