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What PSI Should Trailer Tires be Ran At  

Question:

I understand the maximum PSI for Rainer ST 205/75 R14s is 50lb. What is the recommended PSI when towing a trailer w/boat that has Rainer ST 205/75 R14s? Also what is the recommended PSI when storing a trailer with Rainer ST 205/75 R14s? Thanks in advance.

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Expert Reply:

With trailer tires you actually want to run the max psi at all times. So like with the Karrier ST235/85R16 # AM10295 you want to inflate it to 95 psi at all times. Your current tire should be inflated to 50 psi. This ensures that the tire gets its full capacity and also prevents it from heat build up and premature failure.

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Jameson C

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