Truck tires are more than “where the rubber meets the road.” Understanding truck tire sizes, tire load ratings, why ply no longer matters, and more is important for today’s fleet managers.

This month, we’ll discuss the tire basics, including load and speed ratings, what the writing on the sidewall means, metric vs. standard sizes, and how to best maintain them. 0:00 / 0:00 See All ...

Load index is another way of displaying a tire’s load-carrying capacity. The load index value for most truck tires will fall between 109 and 130 (2,271 pounds to 4,190 pounds, respectively).