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Thread: Tire PSI
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Old 11-18-2020, 11:09 PM   #20
Senior Member
Brand: Thor Motor Coach
Model: challenger 37FH
State: Delaware
Posts: 359
THOR #13399
The Michelin rv tire chart says 75lbs front 85lbs rear. for the weight you list . Go to Michelin rv tire chart find your tire size 255 80 22.5 , look at front tire single divide your front axle weight by 2 8,000-2=4000. Then find rear tire duel take your rear axle weight by 2 -16,000=8,000
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