Why trailers almost always have auto inflate on tires, but trucks almost never do?
Discussion in 'Experienced Truckers' Advice' started by PermanentTourist, Jul 18, 2021.
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Studebaker Hawk Thanks this.
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They account for the pressure increase when the tire is hot, and so specify the cold pressure with that in mind, to provide proper inflation at all times. When the tire is hot and is at 125 psi, the engineers know that will happen, and have made sure the tire is still good to go in that state.
In addition, underinflation causes blowouts, not overinflation. Overinflation just leads to center tread wear. Underinflation allows the tire to flex, building heat, weakening the rubber until the tire blows.jason6541, kylefitzy, MadScientist and 6 others Thank this. -
jason6541 and God prefers Diesels Thank this.
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jason6541 and MadScientist Thank this.
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Roberts450, MadScientist, WildTiger1990 and 3 others Thank this.
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Valve Stem.
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Magoo1968 Thanks this.
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If your sidewall says "110 PSI cold", that means "110 PSI cold".MadScientist, Studebaker Hawk, WildTiger1990 and 1 other person Thank this. -
No Exit, kylefitzy and MadScientist Thank this.
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