Multiple Flat Spotting Wear
Numerous areas worn flat around circumference or tread.
Uneven dual loading due to mismatched inflation pressures or tire sizes, worn wheel bearings, imbalance, air suspensions with bad shocks, unbalanced brake system, aggressive use of brake, frozen brake or driver abuse.
Aggravated by high speed empty hauls.
If not worn excessively, run tires out otherwise retread tire. Diagnose cause and correct.
Consult driver and review maintenance practices.