.........I have goodyear wranglers on my 99 travel supreme . Can someone decipher this code for the manufacturing date???
............DOT MDOP HTOV....there are no numbers after the letters !! , thanks , jf
Thanks for the informantion: I will keep pressure close to max. Like i said-->Our 2 camp grounds are not that far away. So I will feel comfortable with the GY for now. Once we start traveling from state to state, then I will replace then GYs. By then, we might have a new RV. Ya never know. Thanks again.
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jimmyfred wrote: .........I have goodyear wranglers on my 99 travel supreme . Can someone decipher this code for the manufacturing date???
............DOT MDOP HTOV....there are no numbers after the letters !! , thanks , jf
The date of mfg is often if not always stamped on only one side. Shops have a knack for making it the inside, either deliberately or Mr Murphy at work.
The original poster said both front trailer tires had separation. There hasn't been much said on here about weight distribution PER TIRE, so I'd suggest that this trailer be weighed at each wheel position to make sure that the front axle isn't badly overloaded for some reason. Although it seems to be more likely that an overload will affect one side of the trailer or the other, it's not out of the question for the problem to occur on both sides of the front axle.
All of us unfortunate folk who have to put up with this issue is disconcerting to say the least.
Our fiver has the dreaded ST 225 75R D rated tires. I've currently have 3 Greenball tires that are 4 years old and will be replacing last years blow out. That blow out was a 4 year old Carsile.
I have debated on switching to 16" rims but since my camper is a 92 model I'm just gonna wait until we trade up.
The criteria for my next fiver will be based on floor plan and 6,000# axles. Units of that size typically carry 16" rims that can utilize LT tires.
It's a sad state of affairs that we have to put up with substandard quality in our trailer tires. I guess that's the price we pay for belonging to a such a small buying group.
As most of us, we all are trying to find better tires out there than the cheap Made in China junk that is on the market. My 5er does not have the clearance to go to 16 in rims, and larger LT's Tires. And I don't want to do an axel flip either. But at last, I hit the jack pot, at least for us. If anyone has ST20575R15's, and wants to get Good Old American Tires, then go to Les Swab. Les Swab has a Goodyear LT21575R15's, that is an 8 ply tire. Max PSI is only 65 PSI. As most of you that have ST20575R15's know, that your rims are only rated to a max 65 PSI. The LT21575R15's is only rated at max PSI of 65. So a set of 5 tires is $880.00 dollars, as I need to replace my spare tire also, due to it being 8 years old, and never has hit the ground. That includes Mounting, Balanceing,(and adding New O'rings to my Steel Valve stems, free ) and tax. My 5er is 5580 pds Dry weight, and a Max of 7,000 lbs. The rating on this LT21575R15's is 8,080 pds, or 2,020 pds per Tire. They are not much bigger than the ST205 is. At least I have enought clearance in my wheel wells to handle them just fine. Because the 65 PSI is the max of my rims, Les Swab Manager said to just inflate them to about 62 pounds, to allow for any heat build-up. He also stated, that a loss of only 3 PSI is not going to cause any over heating issues, not with the tire rating that these LT's have. It sure beats China Made, rated at only 65 MPH, and 50 Max PSI. He is willing to put everyting in writting, including the use of 65 Max PSI Rated Rims and will stand 100% behind his Goodyear USA Made LT21575R15's, and if any problem araise, he will replace the tire and the rim, at no cost, as long as there is leagal thread left on the tires. Also in writing, Goodyear will cover any damage to our 5er caused by any meterail defects in their products. So since I am ready to change out my old Duro Tires, which I never had one issue with, but are no longer avalible in this area anyways. I'm going to take up Les Swab on their offer. I don't think that lowering the PSI by a few PSI's is going to be a problem. But if it is, then I will replace the rims to cover an even higher PSI Rating. Any thing is better than made in China ST tires. I also use the Duran Tire Monitor System also. And anyone who has ST22575R15's, Les Swab has a 10 ply Goodyear Tire that will replace your size tire also. At 85 PSI. We have never had a Flat tire or a blow out in the 40+ years of RV'ing. But just the knowing that the Cheap China made tires can and will blow at any time, is hard on one's nerves. Will be nice to have American Made Tires on our 5er. I guess it paid off to really check our tires before ever moving our 5er each time, and checking the tires at every rest stop, or re-fueling. I'm a total nut case about Tire PSI. Hope this info helps out other ST20575R15's Tire users. Good Luck. Happy Camping, Dan & Jill
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ryanallie1, hate to be the bearer of bad news, but Goodyear Marathon ST tires are not made in the USA. They are not made in North America even. Odds are that you will see made in China on the sidewall.
Couple of other points of interest. Those cheap steel rims are usually made by Carlise and are rated to 75 psi. Also the inflation table for tires are cold inflation values. Do not reduce that number to allow for travel heat increases. I don't care what that tire manager said. He is flat out wrong. Ensure you have 65 psi in those tires before you start out on the road. Any increases due to travel have been allowed for. Do not reduce that pressure. Check for proper inflation only when the tire is cold.
GEJim wrote: Just took my 5th wheel into Discount Tire for it first tire rotate and balance at 7500 miles. Both front tires were showing tread separation. I was shocked because I watch my pressure very close. Installed 4 new Carlisle's and went up from load range D to E. I know there has been a lot of talk about Carlisle but I'm not putting Goodyear's back on. Someone must make a decent trailer tire.
I will never have Carlisle tires on anything of mine again 3000 miles and I had a blow out. This little set back cost 2k in damages and 1600 for new tires but the highest cost was loosing a week of holidays.
I was given a GY warranty card when I bought the trailer and was told GY made the tires for Carlisle, when I called GY after my blow out their first words were to say they will replace/repair all tires and damage caused. Too bad that when we checked the SN. on the tires they were not actually GY so no warranty for me.
When I asked a local Carlisle dealer to repair warranty my blown tire they refused to even handle them at all, stating as a franchised dealer they are not required to warranty them.
Even with some bad press on GY tires I still put GY on because I need the load carrying abilities of G rated tires and I am so impressed with their customer service.
I finished the year without problems but who knows how the GY will hold up. I only know that if I do have a problem GY will honor their product.
Cool Canuck wrote: ryanallie1, hate to be the bearer of bad news, but Goodyear Marathon ST tires are not made in the USA. They are not made in North America even. Odds are that you will see made in China on the sidewall.
Couple of other points of interest. Those cheap steel rims are usually made by Carlise and are rated to 75 psi. Also the inflation table for tires are cold inflation values. Do not reduce that number to allow for travel heat increases. I don't care what that tire manager said. He is flat out wrong. Ensure you have 65 psi in those tires before you start out on the road. Any increases due to travel have been allowed for. Do not reduce that pressure. Check for proper inflation only when the tire is cold.
Hi All.
First off, the tires that I talked to the Les Swab Manager, are not Goodyear Marthons, and they are not an ST tire either. Re-Read my fist post. Like I said in my post, they are an LT21575R15 8 Ply Truck Tire, and they are," MADE IN the USA ". The total tire limit for four tires is 8080 pds. My 5er's max weight is only 7000 lbs. I also mentioned that I could also just buy new rims if I wanted to to gain a higher PSI rating Rim. I also mentioned that they carry a Truck LT 10 plys to replace people who have ST22575R15's as well, also "MADE in the USA" The ST22575R15's use 85 PSI, not an ST20575R15 as I mentioned. Come on now, give me some credit. I have been at RV'ing for the last 40+ years, plus 15 years as an OTR Trucker. I am not some Newbie just starting out. And for your information, the rims on our 5er are Not made by Carlise. Our rims are "Made in the USA" also. I don't even inflate my Trucks back tires to their 80 PSI Max ratings when towing, but rather to 75 PSI, as I have done for many years now. Our 5er isn't that heavy to warrent the 80 PSI, as it makes for a much harder ride. And since the LT21575R15's, are a 1080 pds over my 5er's Max limit, it sure isn't going to do anyting, with a couple of PSI less, not in an 8 ply Truck Tire. I don't inflatee my front tires to 80 PSI either, even thought the Max Rating is 80 PSI. I only keep my front tires at 70 PSI. Gee, no ill effects yet in 40+ years of RV'ing. I have also never had a Flat Tire or a Blow-Out. I also said I use a Duran Tire Monitor System as well. If you have read some of my other posts, then you would have known, that I never move my 5er, until the tires are check for proper PSI's. And checked every morning before hitting the road. And I also use a Trucker's Tire Thumper, to check my tires every time I stop, for a rest break or every time I refuel. Wouldn't that rather indicate that I am doing something right!!! Plese, if your going to respond to a post. Try reading the entire contents fully, and understand what was said, and understand it before you reply. I have all my facts, and information before I buy any tire, and before I post a topic. Please try to do the same. Happy Camping, Dan & Jill
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