From what I see on the load tables, it appears that the minimum pressure for my Goodyear tires is 80 PSI even though I am well below the weight for this pressure. The way I am reading the table, any 245X70/19.5 manufactured after Feb of 2006 has a minimum pressure of 80 and any tire manufactured before that date can be safely aired down to 70 if the coach is light enough.
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That's the way I read it too. There is a minimum safe inflation pressure for any tire, to avoid overheating and excessive tread wear on the outer edges of the tread.
Likewise, there is a maximum safe pressure.
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Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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