Tire Concerns: Tires for class c RV

by dixie
(SAN DIEGO, CA)




Just bought 6 LT225/75R16 E BF GOODRICH A/S COMMERCIAL T/A TIRES. NOTICE WEIGHT CAUSING TIRES TO APPEAR FLAT. BAD CHOICE FOR RV OR DANGEROUS?


Comment:
If increased weight is causing tires to appear flat, the solution is to increase the air pressure -- it has nothing to do with the tire size, construction, or manufacturer.

Some tires are made to support only a certain weight load (which is affected by the pressure that the tire can support). Check on the sidewall to see if it has load or pressure limits on it. As long as you stay below those limits you won't have any problems. If you need to exceed them, you may have to look for tires which are rated for the load or pressure which you have to use.

TG




Comments for
Tire Concerns: Tires for class c RV

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Your tires
by: Wheels Etc

I am guessing that you are replacing the same size tires that came on the R/V. If so, you have chosen a good quality tire used on most emergency vehicles like ambulances across the US. They should be load range E or 10 ply rated and should be inflated to 80 psi for fully loaded vehicles. I would not run the tires at anything less than 65 psi under any conditions and if the tires continue to appear under inflated you need to weigh the vehicle when filled with water and gasoline plus some supplies. Add to that an average of 175 per person times the number of people you would normally have in the vehicle. Then compare that to the total of the load limits listed on the tire times 4 on the tires used as duals and times 2 for the higher limit on the front tires. If the actual weight exceeds the total weight allowed using these tires then you MUST go to a larger diameter rim and larger tires or reduce the equipment found in the R/V until you meet the limitations of these tires. An overloaded R/V is extremely difficult to control in many situations while driving in even rather normal weather and road conditions.

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