We ran the original GY Marathons about 25,000 miles with no problems but they were ready for the junk pile when we put the Sailuns on. Don't agree that light truck tires are suitable for a double or triple axle trailer. Truck tires are not made to withstand side forces when a multi axle trailer is turned short. I have seen way too many gooseneck stock trailers with one or more blown tires and a load of cattle or hogs sitting by the side of the road. There is a reason tires are made specifically for trailer use.
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