Recommended Tire PSI and Load Range for Large Fifth Wheel Trailer
Question:
i tow a 35ft fifth wheel 14000lbs wet and have 235 80 16 power max tires at 80.what would you recommend psi pressure.i blew out two tires in two days and would like to move up one load range
asked by: Mike
Expert Reply:
The psi should be listed on the sidewall of the tire. It is recommended that tires always be inflated to the max psi. Different tire manufacturers may have different psi ratings even for the same tire size and load range, so it's always best to go by the psi rating listed on the tire itself.
Also note that tires should never be over-inflated or under-inflated. Inflating tires to a lower air pressure than the maximum reduces the amount of weight that the tire can handle to an unknown amount, which can cause the tire to fail if a heavier load is placed on the trailer. Trailer tires are built with a thicker sidewall to handle vertical load better; if under-inflated, that thicker sidewall will generate excessive heat and lead to failure.Tires at maximum air pressure also perform and wear best (plus, you'll get better gas mileage). Over-inflating or under-inflating a tire also affects the way the tire wears over time. The psi should be measured when the tire is cold—usually, first thing in the day is a good time. I've attached an article on trailer tires for you as well.
The highest load range we have in size 235/80-16 tires is a load range E. I recommend going with our Westlake ST235/80R16 Radial Trailer Tire - Load Range E, Item # LHWL401. This model has a maximum load of 3,520 lbs at 80 psi. It also comes with a 5-year warranty and complimentary 2-year roadside assistance. I've attached a review video of this tire for your convenience.
Product Page this Question was Asked From
Westlake ST235/80R16 Radial Trailer Tire - Load Range E
- Trailer Tires and Wheels
- Tire Only
- Radial Tire
- Load Range E
- 235/80-16
- 16 Inch
- L - 75 mph
- Westlake
more information >
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