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09-07-2016, 10:14 AM
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#1
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Senior Member
Join Date: Nov 2010
Location: Arlington, Texas
Posts: 469
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Goodyear Marathon-China bombs
Coming home from the Texas Gulf coast on Monday we had the first tire separation I've had in 10 years. 5er has 2650 miles when tire did its separation thing. I always check air pressure in the morning when leaving. All tires and inspect tread inside and out, were at 80 psi at 6AM when we left. Running 50 miles an hour in work zone, checked tire temp about 40 miles earlier when filling up fuel. Tires running @ 135 degrees. Tire wadded up around brake backing plate in one piece tread separation. Did damage to side of trailer minimum to what I've seen on the website here. I had to remove brake backing plate to get the tread off to get home. Side walls all there just not the tread. I will replace all and the spare this weekend. I have seen all the things here about what tire to buy and am still confused.
Checking does not always work be careful!
DANG maypops.
Jester
__________________
2012 Super Crew 4WD 6.7 PSD
2015 Cardinal 3800 FL
2007 Road King Black Cherry-Hers
2007 Road King Blue-Mine
1979 FXS Hot Rod Shovelhead
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09-07-2016, 11:59 AM
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#2
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Senior Member
Join Date: May 2016
Posts: 1,363
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My "general" opinion of ST's is they are all junk, however I thought Goodyear Marathons were ones that were supposed to be better than average. I dunno.
Sent from my iPhone using Tapatalk
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09-07-2016, 12:58 PM
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#3
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Senior Member
Join Date: Feb 2012
Posts: 126
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About 3 weeks ago I had a blowout on the right rear of my 5er on the NY Thruway. I was running at about 63-64 mph. I have read all the threads about ST tires being rated at 65 mph. That being said I had minimal damage to my trailer. Just some cracked plastic around the wheel well and some sheet metal in the top of the wheel well, as well as a broken wire for the brakes. The tires on the trailer were 3 years old with around 9-10K miles on them. I just put new Carlisle tires 235/80/16 E rated, and speed rated L 75mph. I don't go that fast while towing but they are rated 10 mph higher than the standard of 65 mph.
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09-07-2016, 01:16 PM
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#4
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Moderator Emeritus
Join Date: Mar 2008
Location: St. Paul, Minnesota
Posts: 3,367
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Work zone. You do not know that the tire wasn't punctured. I'm not saying you didn't have a failure, but, so many others things could have been the cause.
135 degrees seems WAY hot. My tires run about 10 degrees over ambient. 135 sounds like a death valley temperature.
I ran a set of Marathons over 25K miles and 5 years. All day tows in 95 degree weather; over National Forest Service rocky, dirt roads. Never a hint of an issue.
A TPMS can be a good investment.
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2021 F350 Lariat 7.3 4X4 w 4.30s, 2018 Wildcat 29RLX
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1969 John Deere 1020, 1940 Ford 9N, 1948 Ford 8N
Jonsered 535, Can of WD-40, Duct Tape
Red Green coffee mugs
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09-07-2016, 03:05 PM
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#5
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Senior Member
Join Date: Dec 2012
Location: Tulsa
Posts: 438
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Quote:
Originally Posted by 325BH
My "general" opinion of ST's is they are all junk, however I thought Goodyear Marathons were ones that were supposed to be better than average. I dunno.
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All of them are junk !!!
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2008 Jeep Grand Cherokee Diesel
2013 Salem Cruise light 19bh
Hensley Cub hitch ,
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09-08-2016, 09:22 AM
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#6
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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My research is totally unscientific and is solely anecdotal evidence from reading forums. And, I'm certain that everything I say- someone will have an exception to. 
So, IMO- the Goodyear Marathon is a good tire- up until about 12-13,000 lbs. After that is where I usually see problems reported.
I generally prefer the Maxxis m8008 over the Goodyear, but still only want that up to about 14,000 lbs.
Over 14,000 lbs, I want to go to a heavier duty tire. The Goodyear G614 and Sailun S637 seem to be the defacto "go to" for heavier rigs. It usually fits the existing 16" rims/wheels that heavier rigs have.
OR, you can go nuts and swap out the rims/wheels and go for a 17.5" commercial trailer tire. You get a huge jump in carrying capacity. It's what I did:
Major tire & wheel upgrade – no longer overloaded | Learn To RV
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Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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09-08-2016, 09:35 AM
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#7
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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Quote:
Originally Posted by ependydad
My research is totally unscientific and is solely anecdotal evidence from reading forums. And, I'm certain that everything I say- someone will have an exception to.
So, IMO- the Goodyear Marathon is a good tire- up until about 12-13,000 lbs. After that is where I usually see problems reported.
I generally prefer the Maxxis m8008 over the Goodyear, but still only want that up to about 14,000 lbs.
Over 14,000 lbs, I want to go to a heavier duty tire. The Goodyear G614 and Sailun S637 seem to be the defacto "go to" for heavier rigs. It usually fits the existing 16" rims/wheels that heavier rigs have.
OR, you can go nuts and swap out the rims/wheels and go for a 17.5" commercial trailer tire. You get a huge jump in carrying capacity. It's what I did:
Major tire & wheel upgrade – no longer overloaded | Learn To RV |
This is the most reasonable Tire Post I have read in "YEARS"! Thanks Youroo!! 
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09-08-2016, 10:04 AM
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#8
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Senior Member
Join Date: Jan 2012
Posts: 5,423
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Quote:
Originally Posted by youroo
This is the most reasonable Tire Post I have read in "YEARS"! Thanks Youroo!! |
Great inflate his head even more 
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09-08-2016, 11:17 AM
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#9
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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Quote:
Originally Posted by youroo
This is the most reasonable Tire Post I have read in "YEARS"! Thanks Youroo!! |
Thanks for the kind words.
Quote:
Originally Posted by dblr
Great inflate his head even more |
Just call me a balloon!
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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09-08-2016, 11:20 AM
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#10
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Always Learning
Join Date: Nov 2011
Location: Four Corners, FL
Posts: 21,891
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One last thing is explore LT tires.
There's a huge debate on their applicability for trailer applications and you'll have throngs of people telling you that they're a million times better than ST tires (just read some of the comments above about "st tires are junk").
But from an applicability/viability perspective: know that a handful of higher end units come with them standard.
Also know their limitations: they have a lower load carrying capacity. You often have to increase the tire size or load range in order to achieve the load carrying capacity of your existing ST tires. Already being in a 16" tire could be difficult and for me, there wasn't room to increase the outer diameter of the tire at all.
--
There, hope I'm still being reasonable on my tire posts.
__________________
Officially a SOB with a 2022 Jayco Precept 36C
Checkout my site for RVing tips, tricks, and info | Was a Fulltime Family for 5 years, now we're part-timing on long trips
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09-08-2016, 11:28 AM
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#11
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by ependydad
Thanks for the kind words.
Just call me a balloon!
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Frame that ependydad, A compliment from Youroo UNHEARD OF...One for the books... PS: he must have been hitting that hootch again..
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Coachmen M/H
Concord
2018 / 300 DSC
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09-08-2016, 03:24 PM
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#12
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Senior Member
Join Date: May 2015
Posts: 1,016
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Quote:
Originally Posted by ependydad
My research is totally unscientific and is solely anecdotal evidence from reading forums. And, I'm certain that everything I say- someone will have an exception to. |
Wow -- I agree great post and agree. I went to G614 and will also on my next 5er regardless of weight just for my piece of mind.
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2017 Fleetwood Discovery LXE 40D Diesel Pusher 41 foot. CC 5740
2017 Solitude 310GK-R Pick Up Oct 24th.
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Sold 2016 Keystone Montana 3711FL
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09-08-2016, 06:18 PM
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#13
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Junior Member
Join Date: Jan 2016
Location: NC Foothills
Posts: 14
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Just wondering. How OLD were the tires? I have found that about 3 1/2 years is all you can feel safe using trailer tires. No matter what kind. Mileage does not matter.
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Terry and Shay
Lazy Campers
FootHills NC
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09-16-2016, 03:46 PM
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#14
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Senior Member
Join Date: Aug 2013
Location: SE Iowa
Posts: 628
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i was thinking the same thing on the temperature 135 seemed high to me also with my TPMS, mine will stay around 7 to 11 over ambient temps
not knowing what the temperature was that day down there
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2016 SANDPIPER 35ROK
2013 Silverado Duramax 3500HD DRW LB
Stop worrying about the potholes in the road and enjoy the journey
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09-23-2016, 12:48 PM
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#15
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Senior Member
Join Date: Nov 2010
Location: Arlington, Texas
Posts: 469
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__________________
2012 Super Crew 4WD 6.7 PSD
2015 Cardinal 3800 FL
2007 Road King Black Cherry-Hers
2007 Road King Blue-Mine
1979 FXS Hot Rod Shovelhead
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09-23-2016, 06:29 PM
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#16
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Senior Member
Join Date: Aug 2015
Posts: 820
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Ouch. Been there, done that.
If it were me, I'd just go ahead and get G rated tires if your rims can handle it. G614s are the ultimate in my opinion but for about the amount of a name brand set of E rated tires, you can grab a set if Sailuns.
But again, a lot depends on the capacity of your wheel.
There is a guy near me selling four H-rated Westlakes on 17.5" wheels for $1200.
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