Category: Answers on questions

Question: How Much Psi In A Tractor Trailer Tire?

What PSI should tractor trailer tires be? It’s usually 120, 130 or 140 psi. Most highway tractors will have rims rated for a maximum of 120 psi cold inflation pressure. Some vocational and specialty applications will have higher-rated rims. Is 40 psi too high for tires? Higher pressure generally is not dangerous, as long as…

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