• Toyo Open Country A/T

    Toyo Open Country A/T
    255/55R18 109H XL
    -
    All-Season / All-Terrain

    BSW

    type
    season
    road_application
    ms_mark

    Part number: 0166056580084405925

    Sizes
255
Section width 		55
Aspect ratio 		R
Construction 		18
Rim diameter 		109
Load index 		H
Speed Rating 		XL
Load range 		TL
TL/TT
Specs Code/Value Description
Section width Section width
 255 (mm) 		The distance between the outside of a tire sidewalls, not including any lettering or designs.
Aspect ratio Aspect ratio
 55 (%) 		The aspect ratio determines the height of the sidewall and is a percentage of the section width.
Construction Construction
 R (Radial) 		Radial construction tire.
Rim diameter Rim diameter
 18 (") 		Diameter of rim seat supporting the tire bead.
Load index Load index
 109 (1030kg/2270lbs) 		Maximum load each tire is designed to carry when inflated to the recommended pressure.
Speed Rating Speed Rating
 H (210km/h/130mph) 		Maximum speed at which a tire can roll with the load indicated in its load index.
Load range Load range
 XL (4 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
 301510 		Alpha-numeric designation assigned by a manufacturer to uniquely identify a tire product.