As stated, Sailun is a good brand. None were available at the time and a friend in commercial trucking suggested Super Cargo. A very heavy duty tire (weighs about 75 pounds each). Very stiff sidewall.
As a side note, I had Carlisle's on a 20 foot equipment trailer some years ago and blew out each one TWICE over a summer. Discount tire replaced each one, apologizing for the failures. Apparently a belt separation issue. No more Carlisle's for me.
But these Super Cargo's are such overkill, why would anyone want anything less?
https://simpletire.com/paid?v=1&tire...a0487465d9f5e0