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The last four numbers of the DOT marking on tires tell you the week (1 through 52) and year the tire was made. So, a tire with the last four digits of 0121 was made the first week of January 2021, 0221 is second week of January of 2021, and so on.
The UTQG was created by the National Highway Traffic Safety Administration in 1978, a branch of the United States Department of Transportation (DOT). [1] All passenger car tires manufactured for sale in the United States since March 31, 1979 are federally mandated to have the UTQG ratings on their sidewall as part of the DOT approval process ...
An expiration date or expiry date is a previously determined date after which something should no longer be used, either by operation of law or by exceeding the anticipated shelf life for perishable goods. Expiration dates are applied to some food products and other products like infant car seats where the age of the product may affect its safe ...
Douglas is the trademark for a line of tires owned by the Goodyear Tire and Rubber Company, which manufactures the line and sells them exclusively through Walmart. Goodyear registered the name in 1992 [1] through its subsidiary Kelly Springfield Tire Company. typical DOT code
The U.S. Rubber Manufacturers Association (RMA), established in 1915 as the Rubber Club of America, is a national trade and advocacy group [1] of U.S. rubber tire manufacturers. The Rubber Manufacturers Association formed the Tire Industry Safety Council trade association in the United States in May 1969, [2] [3] which is based in Washington, D ...
Rolling resistance is the main key factor in measuring the energy efficiency of a tyre and has direct influence on the fuel consumption of a vehicle. A set of tyres of the green class "A" compared to a "G" class can reduce fuel consumption by 9% [3] of a passenger car; even more for trucks.
Tire uniformity refers to the dynamic mechanical properties of pneumatic tires as strictly defined by a set of measurement standards and test conditions accepted by global tire and car makers. These standards include the parameters of radial force variation , lateral force variation , conicity, ply steer, radial run-out , lateral run-out , and ...
Falken is a brand of passenger car, light truck, and medium truck tires owned by the Japanese company Sumitomo Rubber Industries (SRI). It was launched in its native country of Japan in 1983, and was introduced to the North American market two years later and in Europe in 1988.
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