This is the 5th failure since we bought the 5ver new in 2011. First caught four in 2014 with tread bulges prior to blowout and replaced after about 8,000 miles or 3 years old. This set has about the same number of miles and we had the blowout. Do I now have three timebombs left?
More than likely.
Check out
Marathon tire complaints tire complaints website. Shows 137 Marathon and Marathon ST tire complaints. And its not because they are made in china as we had more issues with them when they were made in usa. Their just a cheap poorly designed and mfg tire.
For 7k axles the Sailun S637 ST or Goodyears G614 RST LT both are a commercial grade all steel carcass tire made for the regional service trailer industry.
For 6k axles the all steel ply carcass commercial grade LT Bridgestone R-250 and Michelin XPS Ribs are tops.