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Old 09-29-2016, 04:21 PM   #1
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Tire pressure

I have a new 5th wheel and calls for 80lbs. of tire pressure. Is this the recommended amount?

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Old 09-29-2016, 04:26 PM   #2
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Originally Posted by bigwillyboy View Post
I have a new 5th wheel and calls for 80lbs. of tire pressure. Is this the recommended amount?
Where does it call for 80psi?

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Old 09-29-2016, 06:39 PM   #3
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E rated tires are 80 psi rated. If you have E rated tires then 80 is the max. Your wheels also have a max pressure. The most important thing to understand is LOW pressures destroy tires! I always run the cold tire pressures that are listed on the tires themselves and have never had a tire problem, car, truck or trailer.
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Old 09-29-2016, 07:33 PM   #4
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If the tires are OEM and fit the trailers axle system requirements with a bit of reserve capacity then yes keep them at max 80 psi 24/7.
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Old 09-29-2016, 08:38 PM   #5
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Have you had it weighed yet?
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Old 09-29-2016, 08:51 PM   #6
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Originally Posted by JohnRR View Post
Have you had it weighed yet?
Never go by weight charts, no tire manufacturer recommends running less than what the tire placard in/on the RV recommends.
Tandem tires are subject to great sidewall stress', that's why they have much heavier sidewall construction than LT, P, or other use-ratings.

Lostdog is right, according to the RMA, over 80% of all tire failures are the result of under-inflation/overloading.

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tire pressure

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