My friends Rubicons MTRs wore down very fast. My dad has some on his f250 and his are the same story. I had 33inch BFG a/ts on my old Tacoma and I had no complaints. They worked very well in mud. I went through a lot of mud in that truck and only got it stuck because of ground clearance issues. I dont know anything about the Kuhmos. I would go with the a/ts unless you want a mud tire look.