I have a Jayco Seismic 3914 and with less than 3500 miles I have had 3 tire tread separations. The tires were Power King Tow Max. Luckily I caught the separation before the tires blew and any damage occurred. The distributor would only pay 80% of the new price of $120.00. I replaced all with Michelins 235 x 85R 16s at a cost of nearly $1600.00. If you have these poorly made tires you better keep an eye on them.
Even the GoodYears are now "sadly" made in China! The only 225/75R15 trailer tires that are made in the USA are Carlisle! They even make a load range E.
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"Life Is Tough, It's Even Tougher When You Are Stupid!" - John Wayne.