It important to ensure that all tires on a vehicle carry the appropriate size and rating. Size and ratings for each tire are molded into the side of the tire. The tire type is determined by vehicle weight and the type of driving anticipated for the vehicle. That leaves the basic air-inflated (pneumatic) tire to carry the load.Įvery vehicle manufacturer identifies a specific type and rating for its vehicles’ tires. Metal wheels are typically limited to farm equipment or industrial uses and are not permitted on highways. Failure to adhere to these laws can result in costly fines, lost time, and, worst of all, contribute an accident.Ī review of the associated list of state regulations indicates that the states are concerned about pneumatic, solid rubber, and metal “tires.” Solid rubber tires are typically used on specialized equipment and are not permitted for used on over-the-road trucking. Tires are expensive, but fines and other costs for operating with a faulty or unsafe tire can be significantly more costly.Įach state/province has a set of laws that describe specific tire requirements such as tread wear and condition, as well as the use of winter (snow and ice) traction devices such as studded tires and chains. The proper tires, in good conditions, are essential for safe driving-from compact cars to the largest highway haulers.Ĭommercial vehicle operators have a special relationship with their vehicle’s tires. Tires transfer the engine’s torque and the driver’s control to the road surface to provide traction and directional control. The one single factor between a vehicle and the nation’s network of roads and highways are its tires.
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