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View Poll Results: Is the problem with Tow Max tires real ?
Yes, had them, had problem, never buy them again. 15 19.48%
Yes, had or have them, never had a problem. 39 50.65%
Never had them 18 23.38%
I have no idea what kind of tires I have 5 6.49%
Voters: 77. You may not vote on this poll

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Old 05-07-2015, 09:16 AM   #41
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If I understand the math correctly ( TT GVWR - tongue / # of single axel tires) I come way under:




Load on my tires is only 70% of capacity, so I don't suspect a problem
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Old 05-07-2015, 11:21 AM   #42
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Just returned from a trip towing my 2014 Jayco 33.5RETS. Had a street side rear Tomax 235/80R16 tire blow and was lucky it didn't do any damage to the trailer. I just happened to be looking at that side in the mirror when it came apart and was able to stop real quick. I tow at 59/60 mph with the cruise control set. Weighed the trailer before I started the trip, check tire pressure every morning when I start out and check the tire temperature at every stop. Trailer is well under gross loaded, tire pressure was 80/81 psi cold that morning and had checked tire temperature 90 miles before blow out. Temperature was between 104 and 109 on all tires. Don't remember what the temp was on the blown tire. It was between 104 and 109 though. I was very nervous the rest of the trip because I had never had a tire fail in the 32 years I have been towing campers.
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Old 05-07-2015, 11:49 AM   #43
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File Compliant About Tires Here
http://www-odi.nhtsa.dot.gov/owners/SearchSafetyIssues

We can continue to banter back and forth on this forum about XX brand tire failures, or we can actually try to do something about it.

Use the link above to submit your actual failure information.
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Old 05-07-2015, 04:11 PM   #44
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X2. If there really is a problem, reporting it creates some hard numbers and will force changes. No complaints. No changes.
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Old 05-07-2015, 04:32 PM   #45
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Consider that loading on your tires is dynamic and not static. When you go around a curve the outside tires load while the inside tires unload. On an uphill your tongue weight goes down and it goes up on the other side of the hill. Weight is a static force but movement makes that force dynamic and also adds momentum to the equation. A bump in the road or a hole in the road adds velocity squared to the weight on the tire.

RV tires should be rated for the dynamic loads of pulling a big heavy box down the roads and around the curves.
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Old 05-07-2015, 04:46 PM   #46
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Mike - any average formula or capacity % that should be considered when sizing the load range of the tires to account fore the dynamic load shift?
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Old 05-07-2015, 04:47 PM   #47
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Actually I believe they are, hence the ST designation. The idea being that they can take those twists and bends better than a regular tire. I think its what you said earlier (I think it was you) that part of the issue is the tires are exactly what's needed on the trailer, with no margin.
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Old 05-11-2015, 08:28 AM   #48
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I just had one "explode" yesterday. Can't explain why. Temps were in the 50's, tire pressure was 75 psi (max 80 psi on tire wall) before leaving home. Driving approximately 50 mph. Tire spread over approximately 3/4 mile. I can only guess the cause. Luckily, I was within 2 miles of campground. Limped in and changed to the spare. Also, luckily, I'm trading this competitor's model in for a new Jayco in three weeks.
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Old 05-19-2015, 03:28 PM   #49
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Here's an observation. Another thread today and MantyGary's post about TowMax failures. Something in the recent posts struck me, large rigs with 15 in tires. So I did some searches both here and on rv.net.

Guess what I found? Granted this is very unscientific, all but a few TowMax failure posts involved big trailers, 30+ ft, often 5vers with 15 inch tires. A couple of smaller trailers with 13 inch, and a couple of 14 inch.

I'm not drawing conclusions on cause. But the common thread seems to be larger rigs. Interesting too because the recent recall about the incorrect tire stamping on some tires were also 15 in.
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Old 05-19-2015, 04:27 PM   #50
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Interesting observation. Unfortunately, I still have 3 Towmax (a.k.a. Blowmax) tires on my rig. I will be towing it to Colorado for a family reunion next month so am very worried about tire safety. I decided to purchase/invest in a TPMS. If the system works as advertised, it will go a long way to give me peace of mind on both the fiver and the truck.
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