Are huge semi trucks simply running oversized versions of normal passenger-car tires, or do the differences between the two run deeper than that?

The string of letters and numbers wrapped around your tire sidewall is not decoration. It is a compact spec sheet that tells you what the tire is, how much weight it can safely carry, how fast it is ...

While they might look similar headed down the freeway, trailer tires and passenger tires are built differently to serve ...

Purpose-built design: Trailer tires have stiffer sidewalls, higher load capacities, and UV-resistant compounds to handle heavy-duty hauling and reduce sway. Tread and sizing: They feature shallower ...