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PSI Advice for Toyo 285/75-17 ATs

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Old 07-29-2009 | 08:30 AM
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05HDRAM's Avatar
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PSI Advice for Toyo 285/75-17 ATs

I put on these tires early this year, and they have been great so far. I am running 55 front 45 rear empty and they are wearing even. I have to tow a heavier load this weekend, and I know I should bump up at least the rear. I was thinking about 70, any advice ?
Old 07-29-2009 | 09:28 AM
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From: Irwin, PA
What does the sidewall say? Depending on how heavy the load I would probably run 70 in the rear and 60-65 in the front.
Will
Old 07-29-2009 | 10:47 AM
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From: Spokane Valley / Thompson Falls, MT.
Mine are 285/75/18s, but I have been expermenting a bit.

Les Schwab recommended 60 psi all the way around, and that is where they aired them up to. That pressure seemed to handle my 5vr very well, but hit a bit hard on the rearend when empty. I now run 60 psi in the front and 50 psi in the rear while empty, tires all look very equally loaded. when I hook up to my trailer I will bump the rears back up to 60 psi.
Old 07-29-2009 | 11:00 AM
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05HDRAM's Avatar
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Originally Posted by wmonroe
What does the sidewall say? Depending on how heavy the load I would probably run 70 in the rear and 60-65 in the front.
Will
80psi, but I didn't think I need to go that high.

Originally Posted by JJPage
Mine are 285/75/18s, but I have been expermenting a bit.

Les Schwab recommended 60 psi all the way around, and that is where they aired them up to. That pressure seemed to handle my 5vr very well, but hit a bit hard on the rearend when empty. I now run 60 psi in the front and 50 psi in the rear while empty, tires all look very equally loaded. when I hook up to my trailer I will bump the rears back up to 60 psi.
Thanks. I think I will try 70, 10psi less than max.
Old 07-29-2009 | 12:05 PM
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From: Orange County, Texas
I run 50-55 on the rear empty and 65-70 loaded,,,, tires wearing fine

55 on the front

sidewall rating max is 80 psi
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