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Load Range D Tires?

  #1  
Old 10-15-2018, 01:00 PM
Supercab
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Load Range D Tires?

I'm going to need to replace all 6 23585R16 tires on my Late '99 F-350 Dually soon due to age and some dry rot and cracks starting to appear.
I'm considering going to load range D tires over the current load range E that is on it now.
I rarely haul anything heavy, but do tow our 36' TT a couple of times per year under 100 miles 1 way.....
Am I asking for trouble doing this? I'm also thinking a liter load range tire would ride smoother too.....

I know that the EARLY '99s Ford says 60psi in front, and 40psi in rear on Duallys.
MY LATE '99 Dually says 60 front AND rear.
What changed from early to late?
If I run 60 in my rears with no load my tires only contact about 2' in the center, so I run the "early" 40psi and my tires wear well....

I know the load range D tires are only rated for a max psi of 65, I don't know that I need a load range E rated at 80psi max to do what I need to do.....
 
  #2  
Old 10-15-2018, 01:26 PM
Shawn.54
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I donít know if it would be a problem or not as long as you didnít exceed tire weight rating. Cann I ask what you are trying to achieve by switching to D over E ratings?
shawn
 
  #3  
Old 10-15-2018, 01:39 PM
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The problem I see is that load range D tires is that they ballon out much more than E rated tires, and since you have a dually the rears can possibly rub even at maximum tire PSI, just a thought. If it were me just get Ecrated tires and not risk it.
 
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Old 10-15-2018, 02:12 PM
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Never gave that a thought with the duals.
If it is cost that is driving this switch I have found E to be same price or cheaper. I was tight on cash when I got tires for mine I went with Tread Wright remolds so far I have no complaints I did use balancing beads to balance them. Good even ware in 3000 + miles. About $107.00 each delivered.
shawn
 
  #5  
Old 10-15-2018, 03:51 PM
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I’m with Adam. Keep in mind that if you buy the LR-D and you don’t like them or they just don’t work out then you’re buying 6 more. That gets very expensive very quickly!
 
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Old 10-15-2018, 07:11 PM
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I currently have Ds on my truck. Looking at the squish I really wouldn't recommend them for a dually or pulling any real weight. I only pull an open deck car trailer and I think that's about the limit.
 
  #7  
Old 10-15-2018, 07:16 PM
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I currently have Ds. I don’t have any complaints but as mentioned, I do think they bulge a little more than the Es do. With a SRW it doesn’t give any issue, but a DRW may cause wear issues.

 
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Old 10-15-2018, 07:46 PM
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I vote no.

I had a 6.5 chevy dually. Hauled untold loads of wood. Had to embark on new tires. Hmmmmmmmmmmmm, it does ride rough. D range were pretty in the wallet/ here we go.

Couple of loads of firewood loaded to the gills along with a 24 sevice trailer loaded w 20, I have a notably odor of rubber burning, Check the leaves and walk compltetely down wind of my truck, and went to the rear wheels like a service dog.

My duals were actually doing the strange thing the whole time. It squatted them even at 77psi.

I'd shtick w/E!!

Denny
 
  #9  
Old 10-15-2018, 07:49 PM
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Just reread, thank god I'm still not in school!!!

Go w/ E'Z
 
  #10  
Old 10-15-2018, 08:44 PM
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Get E rated tires, they are easier to find and you aren't going to gain anything by getting D rated tires.
 
  #11  
Old 10-16-2018, 02:40 AM
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Another thing to consider -- when you are on the road and need to replace a tire, how common is a D?
 
  #12  
Old 10-16-2018, 07:03 AM
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Thanks guys for all the great imput-I hadn't thought about the chance of the rear duals rubbing with a D rated tire...…

I think I'm just going to stay with the E rated tires.

I've had experience with the original General tires that were on it, Cooper Discoverer H/T, and my current tires are Firestone TransForce.

We really don't drive the truck that much-it only has 153k original miles on it now.....

I don't want or need to put "cheap" private label tires on it nor do I want to put the most expensive name brand (Michelin) on it either.....

I run the original size 23585R16 size and my truck is 2wd, so no need or want for off-road type tires.

Suggestions on brands and models of tires are sure welcome guys...…

Are there any tires in my size that are made in the USA?

Thanks Again!!
 
  #13  
Old 10-16-2018, 07:37 AM
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Rick,
‘Since you’re in Florida, I’d look into the Hankook Dynapro ATM, excellent traction in all conditions, long life and quiet.
 
  #14  
Old 10-16-2018, 08:49 AM
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Thanks John, I took a look at those and they are more aggressive than I really want, I have always run highway tread tires, the only off-roading I do is gravel driveways at campgrounds once in a while...…..I love my Firestone TransForce that I have now, just looking at other options/opinions......
 
  #15  
Old 10-16-2018, 09:04 AM
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Rick, I also have a 2wd Dually, that originally had an open diff, I’d get stuck on morning dew. I put in a Truetrac and solved that issue. But I believe in running a bit more aggressive tire for that “one time” I may need it. I’d run what you know works for you.
 

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