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Old 02-01-2011, 01:11 PM   #21
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I've been guilty of pulling my TT too fast, but since I started driving slower (55-60 mph) I've started getting much better mileage, and my truck seems happier too.

And my tires are Marathons too. ST205/75R15, load range C.
Strange thing is, they are made in the USA, not China. So I guess all Marathons aren't made in China, yet. Manufacture date was the 8th week of 2010, so I'll probably wear them out before they hit 5 years old.
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Old 02-01-2011, 01:27 PM   #22
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Well, Looks like I have the Goodyear Marathons on mine as well.
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Old 02-01-2011, 08:56 PM   #23
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I'm heading down tomorrow to have a set of tires put on my rig... I'll get more information on them when there mounted...

I know they are 225/75 R15 Load Range D's so...

More to come...
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Old 02-24-2011, 09:01 AM   #24
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I have had 3 blow outs

I have had 3 blow outs on RV's in the past 25 plus years. All of them my fault.

Right Front tire on a 22,000 LB motor home. Michlin Tires, weather worn and 7 years old, 70 MPH. $3500.00 worth of damage

Right rear Trailer tire TT Under inflated overloaded and 65 MPH. Tore out wheel well and sewer lines.

Left Rear tire 35 ft invader fiver. 9 year old tire under inflated. Ruined Rim

In all 3 cases Excess speed, Under inflation, and age of tires.

I now change tires when they are 5 years old period. I keep them at the recommended tire pressure and don't drive more than 60 MPH. I inspect them at every stop.

It might be worth noting that all were USA made tires. I had a set of Double Coin Made in china tires on a Mtr HM with 40,000 Miles without a problem. also China made tires on a Forest River 5th wheel all types of terrain and driving conditions never had a problem.

Keep the speed down 50 to 60 and tire pressure at recommended pressure. change tires when 5 years old. You should not have problems.
Mel
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Old 03-06-2011, 02:27 PM   #25
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I just got through looking at my Goodyear Marathon tires that came on my 2008 Eagle. The date code was 4007. They have 5200 miles on them (counting the trip from Indiana to Texas after it was built) and the tread looks good. No cracking on the sides. I also looked at another Jayco in storage next to mine with Marathons and a date code of 1605. Obviously less tread but no sidewall cracking. I may have missed it somewhere but was wondering when Goodyear start importing these tires from China, if anyone knows.
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Old 08-06-2011, 12:26 PM   #26
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I have had 3 blow outs on RV's in the past 25 plus years. All of them my fault.

Right Front tire on a 22,000 LB motor home. Michlin Tires, weather worn and 7 years old, 70 MPH. $3500.00 worth of damage

Right rear Trailer tire TT Under inflated overloaded and 65 MPH. Tore out wheel well and sewer lines.

Left Rear tire 35 ft invader fiver. 9 year old tire under inflated. Ruined Rim

In all 3 cases Excess speed, Under inflation, and age of tires.

I now change tires when they are 5 years old period. I keep them at the recommended tire pressure and don't drive more than 60 MPH. I inspect them at every stop.

It might be worth noting that all were USA made tires. I had a set of Double Coin Made in china tires on a Mtr HM with 40,000 Miles without a problem. also China made tires on a Forest River 5th wheel all types of terrain and driving conditions never had a problem.

Keep the speed down 50 to 60 and tire pressure at recommended pressure. change tires when 5 years old. You should not have problems.
Mel
Thanks so much for this info.... I was wondering what length of time tires should be changed and this sounds like a good rule of thumb to me. Do you change them out yourself or take them to the dealer? Not sure how involved it would be to jack up a 5er to change out tires.
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Old 08-06-2011, 01:09 PM   #27
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Thanks so much for this info.... I was wondering what length of time tires should be changed and this sounds like a good rule of thumb to me. Do you change them out yourself or take them to the dealer? Not sure how involved it would be to jack up a 5er to change out tires.
I take my RV's to a tire shop and have them changed out there. I usually get the tire dealer to give me a trade in for them as the tread is never worn out Just the age of the tires. another thing to consider is dual wheels and dual axles. If you have a blow out caused by under inflation on dual wheels or dual / triple axles, You should replace all tires on that side or both dual tires on that side. The reason why is if the tire blew out because of under inflation causes the other tires on that side of the RV to carry the whole load thus making them weaked by being overloaded and subject to a blowout further down the road. This is why some have as many as 2 or 3 blowouts on a trip or in a short period of time, when they only replaced the one tire on the side or duals that had a blowout from Under inflation.
Mel
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Old 08-06-2011, 08:53 PM   #28
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I had marathons on my 09 37RLQS had to change 2 last year due to wear and this year had one blow out thankfully it was before I got on the interstate cost $2000 to repare 5th. When returned home replaced all with G rated tires I belive that the OEM tires were maxed out for weight I check pressures before every trip and every and every 3-4 days while traveling. Currently on a 7000km trip through westeren Canada no problems????
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Old 08-06-2011, 09:19 PM   #29
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I always check my air pressure on my tow vehicle and TT before each trip. I drive 70 to 75mph on four lanes and 63 to 65 mph on two lane. I just can't hold that Diesel down, she loves to tow. I must admit I let here have the reins, I'm not retired so I'm always in a hurry to have fun.
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Old 08-07-2011, 03:51 PM   #30
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I take my RV's to a tire shop and have them changed out there. I usually get the tire dealer to give me a trade in for them as the tread is never worn out Just the age of the tires. another thing to consider is dual wheels and dual axles. If you have a blow out caused by under inflation on dual wheels or dual / triple axles, You should replace all tires on that side or both dual tires on that side. The reason why is if the tire blew out because of under inflation causes the other tires on that side of the RV to carry the whole load thus making them weaked by being overloaded and subject to a blowout further down the road. This is why some have as many as 2 or 3 blowouts on a trip or in a short period of time, when they only replaced the one tire on the side or duals that had a blowout from Under inflation.
Mel
Thanks for the good info, Mel!
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Old 08-09-2011, 07:24 AM   #31
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I know I am lucky... I checked my Goodyear Marathons and they are all made in the USA....
Remember folks that it does not matter how the tire looks on the outside.. check the date of manufacture anything over 5 years old should be replaced.. and yes that is from date of manufacture not date of first use...
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Old 08-16-2011, 04:18 PM   #32
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I run LT tires instead of ST tires on my old fiver. I just don't trust those ST tires after reading all the blow outs with them. I haven't heard of any blow outs (and I'm sure they exist) running LT tires with the appropriate load range. So far, I have no complaints with my LT's.
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Old 08-17-2011, 04:18 AM   #33
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I can't run LT tires in my size due to the decreased load capacity vs ST's. I'm stuck with ST's or replacing the wheels and going to 110 psi G rated tires, which I am considering.
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