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Old 04-04-2013, 11:19 PM   #1
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Tires

I have a 2012 Jayco Eagle Super Lite 30.5bhlt fifth wheel that has the goodyear marathons. I personally hate the tire. I have had one blow out luckily with no damage to the trailer, and the others have those small indentations in them, which I am not sure what that is a sign of, and it seems that they don't hold air that well. Not to say that they are going flat between trips but I have to add between trips and in the summer it is every week. During the summer because we live on Long Island we use it on the outter beach which requires us to air down each time to get through the sand. The tires are a range D and have about 4200 miles on them with the recent trip to Florida. Does anybody have a tire that they love or that have performed well for them? My max load capacity is like 12,500 pounds which isn't much. Should I go up to an E rating, not really sure what the difference would be? We have young kids and including the short trips to the beach we probably take about 16 trips a year with it. Can I go to a 16 inch rim? It has the morride suspension system in it which does make it bounce around a lot when you hit dips and bumps. Anybody with some good advice or with some suggestions it would be appreciated.

Thanks in Advance!
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Old 04-07-2013, 07:17 PM   #2
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Old 04-07-2013, 09:20 PM   #3
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We have a 5er that weighs in at around 11,000, and we have Maxxis load range E on 16 inch aluminum rims. The main difference between D and E is the sidewall ply and the running pressure (80psi for range E). This also gives you increased load capacity per tire. Our unit had GY marathons on it when we bought it, and one tire blew out over the winter just sitting there. Another was bulging and ready to blow when spring arrived, still just sitting there. Many folks have had very good experience with Maxxis, so that is what we replaced with, and have had no complaints whatsoever with them so far. BTW, the increased pressure with E range will stiffen your sidewalls somewhat, which should help with the bouncing. Hope this helps.
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Old 04-08-2013, 08:27 AM   #4
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IF I read your post correctly those small indentations on the tires are cupping.. and indicate an alignment problem... Tires normally loose 1-2 lbs of pressure a month.. if yours are loosing more then first remove the valve stems and reseat them if that does not work then take the tires into a tire shop they can put the tires in a water bath and see where the leaks are...
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Old 04-08-2013, 09:03 PM   #5
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What tire air pressure do you run in your GY Marathons load range D?

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Old 04-09-2013, 08:50 AM   #6
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My rig is 2 years old and I just had the 2nd tread seperation on the E rated marathons. Tires are dated 27 week of 2010, birthdate.

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Old 04-09-2013, 01:35 PM   #7
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How many people realize that ST tires are only rated to 62 mph? A lot of problems come from driving too fast with them...
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Old 04-14-2013, 04:25 PM   #8
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The biggest problems with any ST Tires is the following

1. Under inflated.

2. Over loaded.

3. Exceeding Max speed of 65 MPH.

Every tire I have blown tire or had a tire separation, has been because of those 3 reasons. Go to load range E's and keep them inflated to proper PSI, Don't overload them and keep the speed under 65 MPH. and change tires every 4 to 5 years.
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Old 04-15-2013, 04:36 AM   #9
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Old 04-15-2013, 06:47 AM   #10
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Quote:
Originally Posted by MHbell View Post
The biggest problems with any ST Tires is the following

1. Under inflated.

2. Over loaded.

3. Exceeding Max speed of 65 MPH.

Every tire I have blown tire or had a tire separation, has been because of those 3 reasons. Go to load range E's and keep them inflated to proper PSI, Don't overload them and keep the speed under 65 MPH. and change tires every 4 to 5 years.
Good advice - thanks
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