Section width in inches. R = Radial Tire. Rim diameter and rim type. Section width in inches. R = Radial Tire. Rim diameter and rim type. Rims with .R” stands for the construction method of the tire indicating the tire is a radial tire. The following two numbers (16) indicate the diameter of the wheel rim in inches.Thus, 11R22. This tire size is quite commonly fitted onto the axles of large trucks like semis and delivery trucks.Thus, 11R22. This tire size is quite commonly fitted onto the axles of large trucks like semis and delivery trucks. Rim diameter and rim type. This tyre was designed for light trucks and vans. The 24. It is designed for use with heavy trucks and larger vehicles.The 24. This extended wear can offset the initial higher cost and reduced fuel efficiency, particularly for vehicles covering significant mileage.R’ pertains to the radial design. By knowing this information, you should be able to pick the right tires that will make your truck run smoothly and safely. Common semi-truck tire sizes Over the last few years, the most common truck tire sizes include but are not limited to 295/75R22. R22. R19.Many ½, ¾, and full-ton trucks can use LT tires without trouble. Generally speaking, if your vehicle falls into Class I, Class II, or Class III, you can use LT tires. For semi trucks, the most common tire sizes are 295/75R22. R22.The documentation supplied with your vehicle outlines the recommended tire sizes for your car. Compatibility is determined according to its outer dimensions – diameter/rolling circumference and width – and labeled as a standardized tire size indicator on the sidewall.Just looked on Michelin’s website and a 11R22. XDN2 is 496 revolutions per mile. The LP 24. Compare that to a typical LP 22. The revolutions per mile for 11R24. This may vary slightly based on the brand and specific product.