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Old 01-09-2015, 03:45 PM   #46
buzzcop63
Senior Member
 
Join Date: Apr 2013
Location: Beaverton
Posts: 309
Purchased our trailer new in March of 2012, unit came with ST225/75RF15 LR D Power King tires with 2,270 miles on them at present and a manufacturing date of Nov 2011. I purchased Tire Minder and monitor all four tires on our trailer due to reading so many problems with China tires. To date my tires have given me no problem but by monitoring the Tire Minder I have been made aware that traveling over 55 MPH that the temperature rises as well as the tires PSI. Every stop we take I do a walk around to check truck and trailer tires by hand for heat as well as the trailers wheel bearings. Tires are kept covered when in storage but do sit on Asphalt for 5 or more months during the winter. Note that sun side of trailer tires run hotter then shaded side and second tire runs hotter thn the front tire.
The Carlisle Radial TrailRH, here is what they say:
– Any tire, no matter how well constructed, may fail when in use
because of punctures, impact damage, improper inflation,
overloading, or other conditions resulting from use, misuse
or neglect.
– High speed towing in hot conditions degrades tires significantly.
– Best practice. Do not exceed 60 mph while towing a trailer.
– Most ST trailer tires have a maximum speed rating of 65 mph.
– Load carrying capacity decreases as heat and stress generated by
higher speed increases.
– Time and the elements weaken a trailer tire.
– 3 to 5 years is the average life expectancy of a trailer tire,
regardless of mileage.
– It is estimated that in approximately three years, roughly
one-third of a tire's strength is gone.
– After three years, depending upon storage and conditions of
usage, consider replacing trailer tires even if they have tread
depth remaining.
– After five years, trailer tires should be replaced in all cases.
en tire in front.
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2012 Cougar TT, 24RKSWE, 27'
2012 Tundra 4.6V8, 2wd, dbl cab
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