I guess the 14 inch rim is load-range "D" then. I have the 15 inch one and it's load range "E", and has this big honking "80 PSI" in a circle molded into the sidewall! Discount Tire pumped it up to 70. I pumped it up to 80. I think the side in the sun got to 94 PSI when being pulled on a hot day. I have steel rims and can't find a pressure rating for them.
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