F350guy
O'Fallon, IL
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Joined: 07/22/2008
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I've never been a big fan of Goodyear ever since I had 2 Wranglers explode on me while driving 1/2 ton Dodge Ram. I switched to Bridgestone Dueler Revos instead and they have done pretty well for 5 years now. As far as Marathons go...they're mediocre at best. I have them on my tandem axle boat and 32 foot Wilderness 5th wheel. I just returned from a 6200 mile trip and lost all 4 of the st225/75/r15s. They were only 4 years old with very little mileage. I kept them at the required pressure and drove between 60 and 63 mph. The bottom line is that tires are made of rubber and they will fail much more quickly if you are close to full load for any significant amount of time. They aren't as tough as you might think. I ran regular car tires on my boat trailer (3000 lbs) for years with only one problem. They couldn't take a curb pinch because the side walls are so thin. Other than that...they were just fine. On this recent trip I had 3 tires with belt breakage and one that just shredded on me.
Someone with a creative mind should come up with a tire that can withstand trailer wear & tear better than the******that's out there. He/she will be rich because people like us buy quality, reputation and durability.
I think companies like Goodyear are much more likely to cut corners on trailer tires since it's so hard to prove poor quality whereas the lawyers are all over manufacturers of passenger tires at the drop of a hat.
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sclark
Minnesota
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Joined: 03/11/2005
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If you are going to stay with st tires, then oversize them, to get to a higher load rating. If you have the room move up to a 16 inch load range E tire. That was the first modification I completed on my rig. Good luck!
2004.5 Dodge Cummins
2007 Wildcat 32QBBS
Pair of Honda 2000 Watt generators
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Dave H M
IL
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Joined: 08/11/2006
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you could always give the titan E Range on the 15 rims a try.
they are working for me. 
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Charlie D.
Gonzales, La.
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Joined: 09/12/2006
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Dave H M wrote:you could always give the titan E Range on the 15 rims a try.
they are working for me.
I have been all over Titan's web site. Do they make a 225/75-15" LR D tire rated at 2540#? That is what f350 will need for his trailer as a minimum.
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cptdav
North Mississippi
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Just had my second goodyear g rated 16" tire tread separation. The first was last year and this one was in May. Goodyear stood behind both and paid for all damages and tire replacment. I have just lost confidence in goodyear tires. I now have one Chinese g rated tire and is holding up good so far. Wish someone would make something that would hold up and we could rely on.
JD
2007 Phaeton 36QSH, Titanium Pearl, 330 MBE926
2001 Jeep Grand Cherokee Laredo, Royal Blue, 4X4
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as197
NorCal
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Joined: 11/27/2006
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F350guy wrote:Someone with a creative mind should come up with a tire that can withstand trailer wear & tear better than the******that's out there. He/she will be rich because people like us buy quality, reputation and durability.
That's just it, the tire makers CAN build a tire that will take the use and abuse. Problem is, the consumer WILL NOT pay what it will really cost to make such a tire. They are engineered to a price point.
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mountainkowboy
Twin Peaks, CA
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Joined: 09/20/2004
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Have you looked at the build date on the tires? Some tires are already 3 to 4 years old or older when sold new, at 6 years tires are already to old for rated use and will start to fail.....ie separate, blowout and the such. When I went to replace the tires on my boat trailer the new ones they tried to sell me were already 3 years old, they had to order new ones from the manufacture, there distributor didnt have a tire that was under 2 1/2 years old.
Something to think about.
Chuck,Ruth,Dixie,& Hanna
05 Holiday Rambler 34SBD W-22 (maxed out) (FOR SALE)
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gitane59
Ontario, Can
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Joined: 02/21/2004
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Manufacturers put on the cheapest and lightest tire they can possible put on to the point of dangerous. I was looking at a brand new 2008 Titanium camped next to me this past weekend with a GVWR of 14,400lbs with "D" rated Chinese made Goodyear Maypops (I mean Marathons) on 15 inch 6 bolt rims. with what appear to be 6000 lbs axles. Tires had 3000lb cap at 65psi so the axles and tires were rated for 12K lbs leaving 2400 of the 14,400 to be carried by the pin. Talk about cutting the ratings tooooooo close. No wonder tires are blowing all the time.
* This post was
edited 07/23/08 04:44am by gitane59 *
2001 Newmar Kountry Star 34BLDS
2001 Ford F350 CC SRW V10 4.30LS
Capitulation is not Reasonable Accommodation
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LEC
RDU, NC
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Joined: 12/17/2007
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Don't waste your money or time on Titans. They are more of the same garbage and problems you are already dealing with. I know, been there and paid the price last year for it.
A lot of people on here have switched to Maxxis 15" ST tires over the last year. During the next year or so the verdict should be in on how they are holding up when they get a little age on them.
IMHO the only way to solve this problem once and for all is to go with a 16" E rated LT tire like the Michelin XPS or its Bridgestone couterpart. Go to a tire store and look at one of them, pick it up, compare its construction and weight to any ST tire on the market. A blind person can see the differences between the two.
Having said this, I realize you need new rims and must have the space available to allow for at least another 1/2" in tire height inside the wheel well. You need about 3" of travel space available between the floor and the top of the tire and 1" of space between the two tires when you are done. If you do not have this space available, then you may have to look at flipping the axles to gain the needed space. Of course, all this requires spending money on a trailer that you first have to decide is worth the investment considering its age, usefullness and how long you plan to keep it. If I stayed with 15" tires, today, I would go with the E rated Maxxis radials and figure on replacing them in 3 years if I still have the trailer. There just are not any real good choices in 15" tires, available on the market, that will work on trailers.
Good luck with your decision
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JIMNLIN
Big Cabin, OK
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Joined: 09/14/2003
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even Maxxis has issues according to some that have posted. The problem is the ST tire itself. With only a 65 mph speed rating its at the bottom of the tire chain on coping with heat build up. As F350 says they can't take a curb pinch and thats the tires design. With a narrow tread design its shapped like a basket ball which leaves the sidewalls suspect to cutting from just a easy roll over a curb/pothole in the road/road debree/etc. It also lets the tire flex at speed much more the a LT and some P tires. Looking at the manufactors tires show for example a ST225/75 or ST235/80 tires are 7-10 pounds lighter than a comparable LT tire. Some Goodyear truck tire dealers have/had cutaway samples of their tire types and the ST sidewall was very thin. Some years back we had lots of different size/load range D 15" LT tires available for a good upgrade. Not any more. Only a couple of sizes on the market in that particular size/load range. Good 44 psi rated P tires on lite weight single axle and very lite tandam axle trailers are working much better than ST tires. Going to a 15" E ST tire is a******shoot as not many 80 psi rated wheels out there. Trailer tires (ST) don't carry passangers. If they did the tire industry would have fixed the problem many many years ago. Its really a shame that our RV manufactors and some lighter made non RV type of trailer still mount any brand ST tire on 5k-6k axles with small 15" wheels.
The fix is doing what some upper line of RV trailers and many brands of commercial grade of flatdeck trailers have done and that is go to a good brand of 16" LT tire that is recommended for heavy trailer use. Suspension mod work may be necessary for this upgrade but will eliminate ST type of tire problems.
Jim
'03 2500 Dodge/Cummins HO 3.73 6 speed manual Jacobs
'97 Park Avanue 28' with two slides
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