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Tires and Wheels This forum is for tire technical discussion . Here you will find critical info what works and what may not.
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  #1  
Old 12-20-2008
Rub Rub is offline
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Default LT 285/75 R17 E 128R

Looking at these Nitto Dura Grappler tires for my truck. What does the 128R stand for? Anyone have experience with them? The numbers look good. Hope to get them within a week barring any bad reports.
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Old 12-23-2008
gdh11 gdh11 is offline
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Default Re: LT 285/75 R17 E 128R

I just installed a set on my truck last night, they were hard to fond but the initial feel is that they are going to be a nice improvement. The 128 has to do with the load somehow but they are E tires so I think that is the heaviest load rating for that sized tire, but I might be wrong.
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Old 12-23-2008
Rub Rub is offline
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Default Re: LT 285/75 R17 E 128R

Thanks for the reply. I get mine put on Friday.
The 3,970lbs @ 80psi sounds pretty stout.
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Old 12-23-2008
jayandjoe jayandjoe is offline
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Default Re: LT 285/75 R17 E 128R

The "R" rating is the load index. It signifies how much weight a tire can hold vertically. The higher the number the more weight. By comparison my BFG's are 118R with a D rating (3195 lbs). The D or E rating is how much the tire will support laterally. Meaning how much they will "sway" as it were.

My stock Michelins were 118R's with an E rating, so there vertical load rating was the same as my BFG's, but they had stiffer sidewalls. This is usually were confusion starts! But those sound like some great tires for heavy towing!
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  #5  
Old 12-27-2008
Rub Rub is offline
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Default Re: LT 285/75 R17 E 128R

OK, got them on and they look great. The ride seems fine, no rubbing (but close), no noise. Time will tell on how they wear.
The stock Michelins did me real good, had 57,600 miles on them with probably another 1k left. They wore beautifully and I've never had an alignment. Time will tell how the Nittos wear [img]/forum/images/%%GRAEMLIN_URL%%/smile.gif[/img]
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Old 01-03-2009
Erich Erich is offline
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Default Re: LT 285/75 R17 E 128R

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jayandjoe</div><div class="ubbcode-body">The "R" rating is the load index. It signifies how much weight a tire can hold vertically. The higher the number the more weight. By comparison my BFG's are 118R with a D rating (3195 lbs). The D or E rating is how much the tire will support laterally. Meaning how much they will "sway" as it were.

My stock Michelins were 118R's with an E rating, so there vertical load rating was the same as my BFG's, but they had stiffer sidewalls. This is usually were confusion starts! But those sound like some great tires for heavy towing! </div></div>

AHhhh, I don't think so..118/121/ or 128 is the load index in pounds that it can carry at max inflation, the letter refers to the speed rating, go check tire rack.com if you don't believe or know.
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Old 01-11-2009
jayandjoe jayandjoe is offline
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Default Re: LT 285/75 R17 E 128R

Very correct Erich! I apologize for the confusion. At least I got the number part right! LOL!
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Old 09-09-2010
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Update on the Nittos...I have just about 40k on them and they are still going strong. I'm guessing another 5-7k left to go. No complaints at all, wearing perfect. I've still not had an alignment after 91k miles, still tracks straight as an arrow.
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Old 09-15-2011
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Update again...Nittos are now at about 50,000 miles, wearing perfectly. They are very close to being used up, maybe another thousand or two? I will get another pair when these are gone.
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Old 07-28-2012
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XFordOwnr XFordOwnr is offline
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10,000 miles in six days, that's alot of driving...
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