i have had these 35x12.5x17" Trepadors on my F250 for a couple of months now. They are way quieter than I thought they would be. The drive nice. They grip like mad! I went deer hunting this weekend & these things rocked off road. I drove everywhere narrily slipping a tire. Made some pretty impressive climbs. Crossed a creek that had never been driven across. I doubt they will last forever with the big voids in the tread blocks but they are what they are. I paid $250 a tire. I would not hesitate to buy more of these. They blew away my Old BFG MT's