I had a set on a older rig. 31' fifth wheel. They are mediocre china tires.
No better or worse than Marathons.
I had tread separations after. A couple of years. Several friends also were unhappy with them.
Maxxis is the only E rated tire I would consider.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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