37
Overall diameter 		12.50
Section width 		R
Construction 		16.5
Rim diameter 		123
Load index 		M
Speed Rating 		D
Load range 		TL
TL/TT
Specs Code/Value Description
Overall diameter Overall diameter
 37 (inch) 		Diameter of the inflated tire without any load.
Section width Section width
 12.50 (inch) 		The distance between the outside of a tire sidewalls, not including any lettering or designs.
Construction Construction
 R (Radial) 		Radial construction tire.
Rim diameter Rim diameter
 16.5 (inch) 		Diameter of rim seat supporting the tire bead.
Load index Load index
 123 (1550kg/3415lbs) 		Maximum load each tire is designed to carry when inflated to the recommended pressure.
Speed Rating Speed Rating
 M (130km/h/81mph) 		Maximum speed at which a tire can roll with the load indicated in its load index.
Load range Load range
 D (8 ply) 		Maximum load capacity the tire is engineered to handle at certain inflation pressures. It also define the tire toughness and the strength of the sidewall.
TL/TT TL/TT
 TL (Tubeless) 		Tire specifically designed for fitting to appropriate wheel rims without an inner tube.
Manufacturer part number Manufacturer part number
 743123154 		Alpha-numeric designation assigned by a manufacturer to uniquely identify a tire product.