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Old 06-30-2010, 11:26 PM   #1
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Join Date: May 2010
Location: Fort Collins, CO
Posts: 93
Special Trailer (ST) Speed Rating

My TT has Goodyear Marathon tires. While researching for another thread, I stumbled on this notice posted by Goodyear on their website.

I somehow don't think this data is specific just to Goodyear trailer tires based on how it is worded. They make it pretty clear. If I am going to run my tires at their maximum weight rating, I better keep it below 65 mph!

I don't have a question. I just wanted to share this for our mutual edification.

this weekend ----> !

Jim P.
2008 Surveyor SV-291
2003 Ford 4x4 Expedition
Reese SC WD System 800/10,000 lbs
1976 Cessna 177RG
Wife, son, twin daughters, and mother

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Old 07-01-2010, 05:27 AM   #2
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Location: Suffolk, VA
Posts: 130
there seems to be a catchto this. The document states: " when used under normal load" conditions. If you look at the actual load rating for the tires, each tire can just about handle the GVW of the entire vehicle. I think on my camper each tire is rated to handle about 2/3 of the GVW.

So the question I pose now is: Since we are not running at the rated load of the tires, does this speed restriction apply? In a worst case scenarios, on a heavily crowned road with 1 tire blown out you could argure that you are getting close to that 2/3 GVW on the remaining tire if it's on the down hill side.

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Old 07-01-2010, 06:55 AM   #3
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Posts: 620
I just looked at my tires on my 8280SS. According to the specs(yes I know they are mostly fictitious) my trailer has a GVWR of 7868 lbs, and an axle weight of 5240 lbs. Now, my new Trailmaster ST tires have a max weight rating of 1820 lbs each. That seems to indicate that if my fifth wheel is at max weight and I blow one tire, the other three are just shy of their max weight. In reality, the one next to the blown tire is now overloaded.
Goody Two Shoes and the Filthy Beast
2008 Chevy Silverado 2500HD
Duramax and Allison 6 speed
2012 Wildcat 282RKX

You can't make things idiot proof, you can only make them idiot resistant.
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Old 07-02-2010, 07:26 AM   #4
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Join Date: Oct 2009
Location: South Eastern PA
Posts: 19,830
When my tire popped yesterday

I was running about 65 MPH and it took a good minute to work my way to the shoulder. (6 lane wide beltway around DC)

The aft tire was "squashed" but did not look "ready to fail"

I am sure if I had ignored the "pop" and hoped it was some one else, (There was no other indication), the outcome would have been very different.

Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
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