Second, a tire on a pickup can be an XL, but if a larger SL tire was desired, it could be used if it had the same or more load carrying capacity. It used to be fairly common for 1/2 ton pickups to come with XL tires, but the trend is towards larger, but SL tires.
Yakima County is a county in the U.S. state of Washington. As of the 2010 census, its population was 243,231. The county seat and largest city is Yakima. The county was formed out of Ferguson County on January 21, 1865 and is named for Yakama tribe of Native Americans. Ferguson County, no longer in existence, had been created from Walla Walla County on January 23, 1863.
According to the U.S. Census Bureau, the county has a total area of 4,311 square miles (11,170 km2), of which 4,295 square miles (11,120 km2) is land and 16 square miles (41 km2) (0.4%) is water. Yakima County is the second-largest county in Washington by land area and third-largest by total area.