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Proper Inflation Of Goodyear Tires

Question:

I saw your article on trailer tire inflation which stated that trailer tires should always be inflated to the maximum pressure stated on the sidewall. A lot of light travel trailers have 225/75R15 tires. As an example the gross weight on my travel trailer is 9000 pounds or 2250 per tire, running with Goodyear Endurance rayed at 80 psi and max weight is 2830 pounds. Based on what Goodyear recommends on their website, Your RV must be weighed when it is fully loaded. This includes passengers, food, clothing, water, fuel, supplies, any towed vehicles behind a motorhome, and the tow vehicle for an RV trailer.....Refer to the appropriate Goodyear load and inflation table and the inflation pressure for the load that is nearest to, but not less than, the load you measured, by moving up the table to the pressure line.inch If my trailer trailer was loaded to GVWR, Goodyear says I should have the tires inflated to 55 psi. My question to you is, do you think the Goodyear engineers are wrong and should people who purchased Goodyear tires should ignore their weight and inflation chart and take your advice to always inflate to maximum tire pressure?

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Expert Reply:

Goodyear tires are different then most other manufacturers when inflating tires to its maximum PSI. Since Goodyear developed and tested their tires to work properly based on their recommended tire pressures, I would stick with their recommendations.

The Goodyear Endurance # LH33FR for example has a 2,830 pound max load capacity, going off Goodyear's PSI chart you should have the tire at 60 PSI.

I attached a picture below of the Goodyear PSI chart.

Goodyear Tire PSI Chart
Goodyear Tire PSI Chart
(click to enlarge)
expert reply by:
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Noah E

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