See also:

Additional information contained on the tire sidewall for “LT” type tires
“LT” type tires have some additional information beyond those of “P” type tires; these differences are described below. Note: Tire Quality Grades do not apply to this type of tire. 1. LT: ...

Damage
Periodically inspect the tire treads and sidewalls for damage (such as bulges in the tread or sidewalls, cracks in the tread groove and separation in the tread or sidewall). If damage is observed ...

Snow tires and chains
WARNING: Snow tires must be the same size, load index, speed rating as those originally provided by Ford. Use of any tire or wheel not recommended by Ford can affect the safety and performance o ...