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Old 09-30-2018, 09:40 PM   #21
whutfles
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Join Date: Apr 2015
Location: Omaha
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M.O.C. #17319
I installed the 17.5 wheels and Goodyear G114's on my 14,000 GVW 2010 Montanna Mountaineer. That's been almost 4 years ago and have been satisfied. I run 120 lbs of air in them. The goal in my case was tires that could handle the load and not blow up and tear up the RV. The RV is very stable behind the truck on these tires.
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Old 09-30-2018, 11:06 PM   #22
PSFORD99
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Join Date: Jan 2009
Location: Centerville
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M.O.C. #9051
Quote:
Originally Posted by whutfles View Post
I installed the 17.5 wheels and Goodyear G114's on my 14,000 GVW 2010 Montanna Mountaineer. That's been almost 4 years ago and have been satisfied. I run 120 lbs of air in them. The goal in my case was tires that could handle the load and not blow up and tear up the RV. The RV is very stable behind the truck on these tires.

There is overkill ,and then there is overkill.

You certainly were covered on the load . Loaded at 14K, and 20% pin weight, you have in the neighborhood of 11,200 sitting on four tires or 2800 per tire, with a tire rating of 4805 @ 125 psi, a reserve weight of 2000 lbs per tire you could still load on them , thats if you had your fifth wheel loaded to its GVWR of 14K.

I would advise anyone If they have 16" wheels as you did at one time, and they are good for 110 psi , even with your fairly light fifth wheel of 14,000 GVWR to go the Sailun S637's in the 235/80/16. They are rated for 4080 @ 110 psi, and still way over what is needed for a 14K GVWR on a fifth wheel.
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