2011 Toyota Tundra Double Cab Owners Manual - Page 695

6-1. Specifications Tire information Typical tire symbols Tire size DOT and Tire Identification Number (TIN) Location of treadwear indicators Tire ply composition and materials (→P. 674) (→P. 673) (→P. 676) Plies are layers of rubber-coated parallel cords. Cords are the strands which form the plies in a tire. Uniform tire quality grading For details, see "Uniform Tire Quality Grading" that follows. Load limit at maximum cold tire inflation pressure Maximum cold tire inflation pressure TUBELESS or TUBE TYPE (→P. 677) (→P. 677) This means the pressure to which a tire may be inflated. A tubeless tire does not have a tube and air is directly filled in the tire. A tube type tire has a tube inside the tire and the tube maintains the air pressure. 672