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Old 05-31-2015, 07:16 PM   #1
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Trailer tire pressure

I've got a 2015 t19qbhw with 13" tires, I believe it says max pressure 65lbs. Should I be running that on the road? I checked the pressure and its reading 45 lbs now. I've made some 200 mile trips at 70-75 and it appears fine.
Thanks in advance
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Old 05-31-2015, 07:21 PM   #2
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What is says on the sidewall cold, do not lower when hot.
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Old 05-31-2015, 07:24 PM   #3
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Quote:
Originally Posted by Ford Idaho View Post
What is says on the sidewall cold, do not lower when hot.
It says 45 to 65.
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Old 05-31-2015, 07:32 PM   #4
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What brand are they and what is the specific size.
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Old 05-31-2015, 07:35 PM   #5
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What brand are they and what is the specific size.
Westlake super st st185/80r13
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Old 05-31-2015, 08:08 PM   #6
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IMO, I see 2 things wrong, 1) Running 70-75 mph on tires with a max speed of 65. 2) Running tires with a Max cold pressure of 65# @ 45#.

FWIW, I've never seen a tire with 2 Max tire pressures stamped on a sidewall.
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Old 05-31-2015, 08:22 PM   #7
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IMO, I see 2 things wrong, 1) Running 70-75 mph on tires with a max speed of 65. 2) Running tires with a Max cold pressure of 65# @ 45#.

FWIW, I've never seen a tire with 2 Max tire pressures stamped on a sidewall.
I guess I'll keep it at 65 mph
Thanks
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Old 05-31-2015, 10:47 PM   #8
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We keep our 14" A-Frame tires at 50 psi. We travel alot of passes and the dealer said many visiting rvers over look the driving/road variables and the dealer said they replace many a blow out because the rv tires had maximum air in them.
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Old 05-31-2015, 11:02 PM   #9
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Goodyear has a chart that give weight rating and pressure recommendations for their trailer tires. http://www.goodyearrvtires.com/pdfs/rv_inflation.pdf

The chart shows the weight rating of the tires goes lower with the pressure. Tires that can be inflated to 65 PSI have a 300# to 400# lower weight rating at 50 psi.

That reduction in capacity with pressure may not be the case for all manufactures, but I see no reason to believe it wouldn't, with out a something directly from the specific manufacturer.

I cannot see any reason to run at less than the manufactures maximum recommended inflation.
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Old 05-31-2015, 11:05 PM   #10
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We keep our 14" A-Frame tires at 50 psi. We travel alot of passes and the dealer said many visiting rvers over look the driving/road variables and the dealer said they replace many a blow out because the rv tires had maximum air in them.
There is something wrong with that dealers statement.
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