Uniform Tire Quality Grading Standards

A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government testing procedures. The ratings are molded into the sidewall of the tire.

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    Important safety notes
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    Weight specifications
    The gross trailer weight is calculated by adding the weight of the trailer to the weight of the load and equipment on the trailer. Maximum gross vehicle weight:. The maximum permissible trailer ...