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Date:         Thu, 24 Apr 2003 11:14:25 -0700
Reply-To:     TJ Hannink <tjhannink@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         TJ Hannink <tjhannink@YAHOO.COM>
Subject:      Re: Max Load Rating Calculation
Comments: To: Rodney Woten <rodney.woten@LENNOXIND.COM>
Content-Type: text/plain; charset=us-ascii

> How do the 93-102 load rating numbers, shown below, > correspond to the A,B,C,D,E load ranges?????

From: <http://www.tiresafety.com/size_class/size_nav4b.htm#def>

Ply Rating/Load Range While there is no industry-wide definition of ply rating, truck tires are frequently marked with ply rating and equivalent Load Range. These markings are used to identify the load and inflation limits of that particular tire, when used in a specific type of service. The table shows the conversion of tire markings.

PLY LOAD RATING RANGE 2 A 4 B 6 C 8 D 10 E 12 F 14 G 16 H 18 J 20 L 22 M 24 N

All "C" (or "D") rated tires don't necessarily have the same load rating. Michelin shows 7 "C" rated LTX M/S tires in various sizes, each with a different load rating (from 93 to 113). <http://www.michelinman.com/assets/pdfs/doc_ltxms.pdf>

Looks to me like the alpha load range designations have more to do with sidewall ratings than the actual numerical load rating of the tire.

===== TJ Hannink Goldibox - 1987 Vanagon Camper, Wolfsburg Edition Winter Park, Florida http://home.earthlink.net/~tjhannink/ http://groups.yahoo.com/group/wolfsburg_campers http://photos.yahoo.com/tjhannink [Vanagon] Album

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