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Thread: Tire PSI
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Old 11-13-2020, 05:59 PM   #17
Brand: Thor Motor Coach
Model: Challenger 37FH
State: California
Posts: 30
THOR #19539
Originally Posted by Sdkim View Post

OK, rough numbers from your axle weights are 4000 lbs per tire.

From your chart:

For singles (front) you can support 4070 lbs per tire at 75 PSI

For duals (rear) you can support 8080 lbs per pair at 85 PSI

The MAXIMUM pressure for the tires is 110 PSI which is entirely too high for your load.

Thank you so much.
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