Tire Recommendation for Trailer Tire Size 235/85-16

Question:

Hello, I tow an enclosed 25 foot trailer behind a 45 foot motorhome. Trailer weight 4000lbs SUV inside trailer 5000lbs apprx. Ford Explorer 2014 4 tires LT 235 85 R 16. Do about 25000 miles/ year with trailer. I have had multiples blow out even after putting new tires every year. I cross the country and store the trailer in the heat of AZ and Florida. Are the tires tires right for my use. What can I do to avoid these blow outs.

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Expert Reply:

Tire failure is usually caused by a few things. It can be from overloading the trailer, improper tire inflation, and/or exceeding the speed rating for the tire.

You should verify that the tire capacity you have for you trailer is adequate for how much your trailer weighs.

The pressure ran in the tires makes a big difference in longevity too. ST tires should be ran with the full pressure rating stated on the side of the tire, for full load capacity and longevity of the tire. If lower pressures are ran the tire will heat faster and hotter and fail prematurely.

Special trailer tires are usually rated to operate at a maximum speed of 65 mph. If you exceed 65 mph, heat could build up in the tire and cause it to break down and fail. If a tire is rated to run at a higher speed, this information should be listed on the trailer's sidewall.

For your tire size of 235/85-16 we have the Westlake tire part # LHWL410 which has a speed rating of 75 mph, a capacity of 4,080-lb max load at 110 psi and comes with a 2 year roadside assistance program.

If your RV or trailer has a flat tire, call the help line and a technician will come change the flat for you. You can call 24 hours a day, 7 days a week, and 365 days a year from anywhere in the United States, Canada, or Puerto Rico.

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Jameson C

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