Trailer Tire Question
We have a 2014 Rockwood Signature Ultra Light 8244WS fifth wheel, 26 ft 9 in long with a dry weight of 6537 Lbs and probably 7500 lbs loaded. Was on a trip in Northern Ontario last month when I notic...
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Dealer recommended replacement tire same size Good Year Endurance load range E made in USA max load 2830 @ 80 psi. He said it was absolutely ok to run the new tire at 50 psi along with the remaining 3 original tires. I have been a little uneasy about the underinflation of this tire.
You should well feel uneasy.
This speaks volumes about this dealers experience with tires on trailers. Lawn service trailers don't count.
A dealer with experience in the trailer field would know better than to make a rookie recommendation such as running a 80 psi tire at 50 psi. There is nothing gained by derating the E tire to 50 psi according to this tire engineer . Read his blog on http://www.rvtiresafety.net/2013/10/will-you-increase-load-capacity-with.html. Spend some time on his blog.....lots to learn from a actual tire engineer.
Your 7500 lb loaded trailer doesn't tell us your OEM tire size and load range or your trailers axle ratings.
A 7500 lb trailer = approx 1875 lb per tire. Now add a good 10-20 percent reserve = around 2200-2300 lbs per tire.
