Service Description

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Service Description
Related Categories: 91w | Load Index | Trailer Tire Load Range Chart | Speed Rating Chart | Trailer Tire Size Chart | Trailer Tire Reviews | Speed Rating Letters | R Speed Rating | 225 45zr17 | Speed Ratings Explained
  • Understanding Speed Ratings

  • …km/h; the W in the service description indicates the tire's 168 mph, 270 km/h maximum speed. You can learn more about speed rating and the other letters and numbers on the sidewall of your tire in "How to Read Speed Rating, Load Index & Service Descriptions." Disclaimer: It is…

  • Related Products: 91w | R Speed Rating | 225 45zr17
  • One of These Things is Not Like the Other!

  • …below you'll see the same tire, but it says "N3 Porsche" or "MO Mercedes" below it. Here are the most common places to find differences that are not immediately apparent: Service Description - Speed Rating Original Equipment Designation - Service Description Sidewall Style

  • Related Products: Mo | Sidewall Style | Mercedes Mo
  • Frequently Asked Questions

  • …is designed for maximum speeds of 106 mph. Detailed information can be found in our tech article: How to Read Speed Rating, Load Index & Service Descriptions When searching by vehicle, you can select the rating(s) based on your vehicle and intended use. When you choose "recommended" you will see…

  • What Does 'XL' Stand For?

  • …two tires per axle, the tire load rating must be at least half of the GAWR. The vehicle placard will also list the service description of the original tires. To learn more about tire service descriptions, take a look at "How to Read Speed Ratings, Load Index, & Service Descriptions."

  • Abbreviations Worth Remembering

  • …forget that not everyone we talk to knows what all of the jargon means. For example O.E. stands for Original Equipment and Ser. Des. means service description. Other abbreviations associated with tires include: * PSI = pounds per square inch* AS = all-season* M+S = mud and snow* SL = standard load*…


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