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Old 06-03-2016, 07:53 AM   #41
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Here are some pictures I can not find a speed rating anywhere on the tire, unless it's on the back side...
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Old 06-03-2016, 08:35 AM   #42
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For most tires the Speed Symbol letter should come right after the size numbers as part of the "Service Description". There will also probably be a "Load Index" number like 118 or similar range depending on tire size and Load Range.

The tire in post #17 shows the normal location and for that tire the Load Index is 118 and the Speed Symbol is "N".

The Tire Rack page covers this information very well.

I note that under the new requirements for ST type tires some companies have decided to not use the Service Description as seen on P-type tires but to apply a mph number such as 75mph. As I understand the regulations this is their option. An example of the alternate marking is seen in the picture in post #34.

Side note. The speed rating issue for ST tires came about with action on "dumping" of tires below cost so restrictions and duty was placed on some tires. ST type were given an exception. The addition of speed symbol on ST tires started to show up in Dec 2015 so it is very unlikely that if your tires were made much before March 2016 that they have a statement on speed or a speed symbol.
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Old 06-03-2016, 08:53 AM   #43
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With all of the bantering back and forth on the speed rating, who actually tows that fast? For safety reasons and peace of mind my max speed is 65 even with the motorhome.

I ran Maxxis tires on my TT for 10 years (2 sets) inflated to the maximum and never had any issues other than picking up a nail enroute to San Antonio, Tx. No blow out, just a slow leak that I discovered at the campground. Great tire, in my opinion you can't go wrong with them.
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Old 06-03-2016, 09:02 AM   #44
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Who tows above 65? Lots of people in Colorado with campers do especially since the speed limit is 75mph and slower drivers can create a lot of congestion. In fact, a 75mph speed limit usually means that a good percentage of drivers are doing 85mph.

I tow at 75mph and am very comfortable doing it. Light Truck Load Range E tires with a 117mph speed rating here ;-) I'm done with ST tires.

As for safety, I'm more concerned about drunk drivers or F16's falling out of the sky. Pics below both occurred this week in my home city of Colorado Springs.


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Old 06-03-2016, 09:08 AM   #45
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Quote:
Originally Posted by Witch Doctor View Post
I'm sorry but I have "d" rated but where is the "L" your talking about? I can't see it or don't know where to look. They keep saying mine are are rated "R" but do not mean I can travel on them constantly at the 106 MPH which would never happen. Just tested at that speed....Thanks for the reply..
Load Range C or D or E is not the same as the speed symbol and you should find either "Load Range D" or "LR-D"
molded on the tire sidewall.

Prior pictures show the two examples. One has an "L" speed symbol and the other has a "N" speed symbol.

Your tire pictures did not include the area near the tire size so do not know if you have a Speed Symbol or not. I am guessing not, so your tires would be rated 65 MAX. which is the default lacking a Speed Symbol or clear "Max Speed xx mph"
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Old 06-03-2016, 10:04 AM   #46
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Quote:
Originally Posted by Tireman9 View Post
Load Range C or D or E is not the same as the speed symbol and you should find either "Load Range D" or "LR-D"
molded on the tire sidewall.

Prior pictures show the two examples. One has an "L" speed symbol and the other has a "N" speed symbol.

Your tire pictures did not include the area near the tire size so do not know if you have a Speed Symbol or not. I am guessing not, so your tires would be rated 65 MAX. which is the default lacking a Speed Symbol or clear "Max Speed xx mph"
Thanks, but the first picture which is hard to see is that tire size your talking about. You been a great help and thank-you. I don't drive over 65 anyway and the have the ST symbol in the 3rd or 2nd picture I think...
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