:mad2: I love it when they dump garbage on the market. I bought a new Haulmark Trailer in July 2009. Two weeks later the trailer was shaking the 2500 HD truck. Sure the trailer was an 2008, but the tires were made in 2006. All 4 tires had separated including the spare that never was run! I had to buy 4 new tires as the dealer didn't have the 16" tires in stock. I have been unable to get HaulMark or Sutong CTR tire distributor to reimburse me or provide a set of replacement tires since. 6 Months. If you are looking a a trailer equipped with Hi-run tires Insist they change it to another tire brand or figure the cost to replace them. Even Akret Chinese tires I got are better! (Wore them out with out separation.) Pic 1 is the center tread higher than the shoulder tread.