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Old 05-11-2014, 08:32 AM   #11
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Tire Failures typically happen for a couple of reasons,
1. Heat, usually from either overloading or low air pressure or both.
2. Speed, ST Tires are rated for 65 MPH, like previous posted said, we see people pass us all the time running 70 to 80 mph like we are sitting still.
3. Tire Sidewall Damage, usually from Curbing, have to watch on those turns and make sure there is plenty of room so the tire does not hit or scrub the curb. Just look at the black marks on many tight turn curbs.

Depending on the model of trailer, the tires are almost overloaded when the RV is delivered due to very low carrying capacity or the tire / axle size is close to max load.

Since we fulltime, have quite a bit of weight and travel year round (approx. 15,000 to 18,000 miles a year) we upgraded our tires immediately from the factory supplied 10 ply "E" rated ST tires to a 14 ply "G" Rated LT tire.
On our Pinnacle, the factory de-rated the axle capacity due to the tires being a lower rating than the axle. Our Dexter axles are rated at 7,000 lbs. but are de-rated on the label to 6,800 lbs. due to the installation of 3,400 lb. rated tires.
We had our Pinnacle weighted by the RV Safety Foundation with individual scales on each wheel and on the heavy side (Entertainment Center, Kitchen with Refig, Stove, Microwave and Washer Dryer) each tire has about 3,200 lbs weight on them (we have approximately 12,000 lbs. weight on our axles).
Too close for comfort for me so we upgraded to the "G" Rated 3,750 lb. rated tire.
Now with over 30,000 miles on our Pinnacle, we have had no tire failures.

Note: On our previous Jayco Eagle 5er, it had a gross weight rating of 9,750 lbs. Jayco installed two 5,000 lb. axles with 16 inch tires rated at 3,000 lbs. each. Lots of margin in the axle / tire setup on that Eagle, so it does vary widely from model / floorplan to model / floorplan.
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Old 05-13-2014, 10:11 AM   #12
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I took mine off and replaced them while they were still new. Sold them on CL for almost half the cost of the new replacements, and moved up to a LR E tire from a D. Now I know they will never be overloaded, and have plenty of wiggle room if I have a heavy, or unequally loaded axle.
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Old 05-13-2014, 10:17 AM   #13
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Although this certainly isn't definitive, only one person had blowouts, and most replaced them based on fear rather than facts. Interesting...
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Old 05-13-2014, 10:38 AM   #14
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Plenty of people have had blow outs with them. Much cheaper to replace the tires before they blow out and destroy the side of your RV. Some of us have learned from others misfortunes. I don't have to repeat what they have already proven to me. Even my dealer acknowledged that it would be wise to replace them. They are known to be a poor quality tire. Why take a chance on them? Why try to defend them???
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Old 05-13-2014, 11:18 AM   #15
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They are known to be a poor quality tire. Why take a chance on them? Why try to defend them???
Actually it sounds more like you are trying to defend a purchase made without hard evidence. I'm not trying to defend anything. I'm simply asking where are the facts? How are they "known to be a poor quality tire"? Because you've read a couple of postings on the Internet? I'm a realist. I don't make decisions to spend hundreds of dollars based on anecdotal evidence in Internet postings. If you choose to make your decisions based on such postings, that's your choice. And isn't that what the OP is asking for, real evidence? Look, I'm not bashing your decision. Your choice. Replacing them with a tire that has a better weight rating is never a bad thing. But the OP was asking about experiences. Since you replaced yours right away, you apparently have no experience with Tow Max and are just proliferating anecdotal evidence.

Like I said, thousands of newer trailers have them. How come I'm not seeing blowouts on the side of the road if they are that bad? The trouble is that we read the negativity on the Internet and for some reason it gets magnified in our minds.

There was a very similar thread about Tow Max on rv.net a few weeks ago. Almost everyone said they had good experiences with them. Only a couple of folks said they had troubles.

A few years ago everyone bashed Goodyear Marathons. I had a set of those on my previous trailer. I got 6 years out of those tires. What's real and what's not?
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Old 05-13-2014, 01:37 PM   #16
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I was told by a Jayco rep at a show that they have less issues with Tow Max than they had with Goodyear. I had questioned him why they would put these cheap tires on.
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Old 05-13-2014, 01:44 PM   #17
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Rob Fla has the right answer here. There is no hard and fast rule on tires. Some models have head room on the tires while others are at the max as shipped from the factory. My TT needed E rated tires but Jayco decided on D rated tires, but at least it came with 80psi rims.
While you are checking on things look at the weight of your rig and the rating of the tires and see if you have some room to spare.

I read posts where people are pulling fresh water tanks full......I can do that now but I still refuse to do that because I know the weight of my trailer and the ratings of my tires and axle.

I would guess there are 5 reasons for blowouts.
1) Tires under-inflated
2) Tires not rated for the actual load.
3) Speed
4) Tires to old (but with good tread)
5) All of the above on the same day.
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Old 05-13-2014, 02:23 PM   #18
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I have Tow Max on our HTT. We have about 12K miles on them and no issues at all. Sidewalls look good. Tread looks good overall. I can tell that ether the front or the rear set; I do not recall, does show a little more wear then the other pair. I expect it is from sharp turns. I have no plans to change them out. They are working fine and to change tires will only cost me cash, that could be used somewhere else.

Make sure you have a good tire maintenance program and you should be fine. I check my tire pressure before each trip, or days drive. I had for a while checked the tire/brake temps on both the HTT and TV to see what is normal. I check the tires for sidewalls for wear and damage, when checking the tires over.
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Old 05-14-2014, 11:55 AM   #19
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Hahaha, Doc, I don't ever feel the need to justify anything I purchase to anyone, including myself. Anyone who cares to take the time to do some searching will find that Tow Max tires are known to be of low quality. If I were to post a link to all the problems folks have had with them, this would be a long, long post. The evidence and proof is out there for those who care enough to read it all. If it was just a flat tire, and $120 for a new tire and on the road again, it would be no big deal. When a blow out has the potential to do thousands of dollars in damage to your trailer, that's a big deal. $500 for a new set of good tires is pretty cheap in comparison.
Looking at the tread and sidewalls of tires really tells you nothing, when the failure point is under the rubber and out of sight. If you are lucky, you might see signs of separation before throwing the tread off, but that's not usually the case.
Good luck to those of you not willing to take preventive measures to protect your investments. To each their own. I'm not going to continue to beat this horse.
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Old 05-14-2014, 12:07 PM   #20
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Quote:
Originally Posted by Bobx2 View Post
Anyone who cares to take the time to do some searching will find that Tow Max tires are known to be of low quality. If I were to post a link to all the problems folks have had with them, this would be a long, long post. The evidence and proof is out there for those who care enough to read it all.
But that's the point Bob, where is the proof? People's postings of thier personal opinions? I can find those on my own. What I can't find is definitive proof that folks properly aired them, didn't over tax the weight limits, etc. and still had blowouts. Did your dealer show you a spreadsheet that said, hey we sold 500 trailers with Tow Max tires and 75 had blow outs? That would be proof. If these are so bad, where's the recall? That would be proof. Everything on the net about this "problem" is anecdotal and you haven't shown us otherwise.

I'm going to close this now too Bob. No sense in keeping this up, we don't agree and that's OK by me.
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