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Old 02-21-2015, 09:25 AM   #1
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Rims and Max tire Psi limits

I wanted to find out what my Hwt rims can handle for max psi.
Couldn't find stamp marks like others told me to look..So I asked the HWT rim manufacturer.
They told me it's not the rim but the valves that hold psi.
I questioned it twice and same answer.
But others say no its the rims can't handle the 110 psi tires i want.So does anyone know what the rims can handle.Not sure if you can read their response .But I do have 235/80/16 6 lug
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Old 02-21-2015, 11:31 AM   #2
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The bottom line is not as complicated as it seems to be when researching for answers. The rims for your trailer axles are approved for what ever inflation pressure is necessary for them to be able to support their maximum load capacity.

Tire valve inflation pressure limitations are another question. Their manufacturers know the answer.

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Old 02-21-2015, 12:00 PM   #3
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I think I have the HTW PSI table, I will look and see and post if I do. I know my PSI was inside and couldn't be read until the tire was off. It will say Rockwood but your style should be shown I hope.
Attached Files
File Type: pdf Rockwood rims.pdf (228.4 KB, 183 views)
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Old 02-21-2015, 12:29 PM   #4
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So if I go with a tire that holds 110 psi it can only be inflated to 85 psi.As what that psi table says ?
Bare with me one more time guys.I been told so many stories l am lost
I need the 16 hd rims to handle the psi .
Or can I just run 85 psi on a 110 psi tire with out it wearing bad?
Thanks
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Old 02-21-2015, 12:54 PM   #5
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The manufacturer said go for it, I'd trust them over a yahoo on a forum. Put high quality metal stems in and let her eat.

The resulting pressure is another question entirely. This is when weighing it comes to play and exactly how accurate you wish to be. If your weight only calls for XX PSI then that's what they call for. Easy as that.
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Old 02-21-2015, 12:56 PM   #6
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Quote:
Originally Posted by hrlyguy2 View Post
So if I go with a tire that holds 110 psi it can only be inflated to 85 psi.As what that psi table says ?
Bare with me one more time guys.I been told so many stories l am lost
I need the 16 hd rims to handle the psi .
Or can I just run 85 psi on a 110 psi tire with out it wearing bad?
Thanks
You need to know the weight that tire is holding and then check the manufacturers of the tire inflation chart, check on the weight that PSI will carry could very well be 85 PSI for the weight of the axle loaded. Then it would be safe to run at that PSI for the tire wear. This what happens when you move up to a higher rating the cold pressure stamped on the tire really doesn't come into play such as moving up from "C" rated at the factory to "E" rated. AS an example. At least this is my understanding, Maybe the tireman will read this post and correct what I have said.
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Old 02-22-2015, 01:16 PM   #7
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Rims

This is my experience had a 09 grand junction heavy 5er with the granite 4 slides had 4 blowouts in the first year the psi max numbers were on the inside of the rims I had what is called heavy duty rims with master track tires 10 ply 80psi max I changed to g614 Goodyear but my rims were good to 110 psi I already had the good valve stems my rv was tore al to pieces down the sides insurance paid for rv Thor paid for tires and installation they even sent me another spare rim that was like the hd that was on the rv the one that came with was a regular rim if you have the g614 you need to run max pressure at all time because when they run less their carrying capacity drops greatly look on the inside of the rims for the psi specs also think mine were 8 lug but can't remember for sure
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Old 04-06-2015, 08:50 AM   #8
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Tried to look at my rims to see if they can handle.
My rims say 3200 and made in China but didn't see any max psi.
Any where else I can check?
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Old 04-06-2015, 09:29 AM   #9
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Quote:
Originally Posted by hrlyguy2 View Post
Tried to look at my rims to see if they can handle.
My rims say 3200 and made in China but didn't see any max psi.
Any where else I can check?
I believe that is the maximum load in LBS that the rims will support. This will allow any air pressure adjustments required with the appropriate tire to support this load.

Take for example what I will be using on my truck to tow with. I am installing a set of Mickey Thompson Sidebiter II wheels and will use a LT285/70R/17-125R Nitto Dural Grappler tire. The Tires are rated for 3638 LBS at maximum air pressure and the wheels are rated for 3640 LBS. But I am adjusting the air pressure down to support the proper weight after I scale the trailer and truck on a Cat scale.
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Old 04-06-2015, 10:22 AM   #10
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Rims

My rims were marked 110 psi inside have to take tire off and yes you will have to have hp valve stems but if the rims are heavy duty they usually come on them
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