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Old 03-20-2016, 06:31 AM   #1
talk2cpu
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Happy Towmax story

Sept of 2015 I seriously considered spending $$$ for a new set of tires for our 2011 Passport 250BH. The tires were original and even though, according to the tires, were 6 years old and had nearly new tread depth. After reading all the stories about blowouts I just about spent the money. INSTEAD, I had the axles aligned, bought a TPS and filled the tires according to the weight on them, 45 PSI.

Packed up and left October 5, 2015 and as of now have traveled 14,000 miles keeping the tires properly inflated and keeping our speed about 55-60 MPH. The good news is the tires show almost no unusual wear and very little tread wear. The bad news is ............... I'm not home yet. Hope by keep doing what I am doing I will get many more miles from these tires. The TPS system money has been little more than peace of mind since the tires have had no problems. I did save a lot of bending over and checking tire pressure. Got it mostly to alert me of a rapid air loss and hopefully prevent damage to the trailer in case of a problem.

I guess I just got the set that had no early problems, or I
a. Drove speeds within tire limits
b. Kept them properly inflated
c. Had the axles aligned
d. Inspected weekly for any unusual wear
e. Avoided curbs and potholes
f. Got lucky?

Safe travels to you all and with proper care and awareness you can keep problems to a minimum. Now, moisture and leaks, well, that is for another place on this site.

Tom
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Old 03-20-2016, 07:25 AM   #2
Tbos
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Well said Tom. Preventive actions go a long way.
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Old 03-20-2016, 09:02 AM   #3
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This is a repeat printing but may be of interest to new readers: Purchased our trailer new in March of 2012, unit came with ST225/75RF15 LR D Power King tires with 3,400 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, physical damage 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. These tire are rated at 2,540Lb at 65PSI, trailer scale weight while attached to truck is 5,500Lb, and each tire caring approximately 1,375Lb which would leave 46% of the tires weight capacity unused. Have talked to several tire dealers, sales people and those putting on the tires and their advice is keep inflated to proper PSI and drive at moderate speed, these tire professionals say its speed, low pressure and physical damage to the tire causing blow outs. Consider that the closer a tire is to its weight limit the more every bounce the tire takes may shoot the weight over its limit.
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Old 03-20-2016, 11:37 AM   #4
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Mmmmmm. Not one but TWO happy "Chinese bombs" stories in one day! Must be a full moon out.
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Old 03-20-2016, 01:30 PM   #5
Ken / Claudia
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I'll print it again. RV tires are 1 of the most important items on the trailer and likely most abused item. By abused I mean psi, speed, striking road objects and maintenance. (In my opinion)
With a little care and they may all last as good as yours.
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Old 03-21-2016, 04:15 AM   #6
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Both great stories and I am also still running my trailer kings following all the precautions above, but knowing the tires load capacity degrades by 10% each year, they will get replaced at the three year mark regardless of apearence.

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Old 03-21-2016, 07:32 AM   #7
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^^^Same here.
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Old 03-21-2016, 08:08 AM   #8
dcg9381
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Talk2CPU,
How much does your trailer weigh?
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Old 03-27-2016, 06:05 PM   #9
talk2cpu
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Home

Well, we made it home with 14000 miles on the odometer. Tires still look great. Ran the trailer across the scales on the way in and it weighed 5100 lbs. Hitch weight was at 14% and the remaining was split almost exactly even between the axles. Don't know if we are just lucky, other issues blow that theory.

But happy to be home, will probably replace the tires before we leave next fall.

Happy trailering!
Tom
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Old 03-28-2016, 06:00 AM   #10
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I'm glad you're having good luck. Sounds like your tires are loaded to about 2500lbs or so (a little less). This may explain why you're having better luck than the 5th wheel guys whose tires are often loaded to 80%+ of rated capacity.

Course, taking care of them via all the things that you listed and driving at rated speeds probably helps!
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