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Old 03-17-2014, 09:24 AM
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tires for towing 7000# plus trailers

As we use our JGC for towing a travel trailer that is over 7000# rating, what tires do you use?

The OEM latitudes wore quickly, finished after 22,000 miles, including 6,000 of towing. They also allowed the TV/trailer to wander in the lane.

We installed Cooper Discoverer H/T Plus and found that the trailer seemed to have almost had "disappeared" from behind. They are about 50% worn after 20,000 plus miles.

The down side is an increase in noise levels. Before when towing @ 70mph sound level was about 70db. Now it is ~74db non towing. These readings were taken on different roads and the surfaces could skew the readings.

If you have changed your tires, what are your observations for towing control, noise and wear.

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Old 03-17-2014, 12:18 PM
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Re: tires for towing 7000# plus trailers

Pulling a 6000# travel trailer behind our 08 WK Hemi.

The OEM Goodyear Fortera's lasted about 40,000 miles. Nice ride, but sucked off road. Trailer was all over the place as well.

Replaced with Cooper Discoverer CTS. Very similar to the Fortera in terms of ride quality and how they pulled the trailer. Only kept on for about 8000 miles as I didn't care for the looks, and again, they sucked off road. Got lucky and the in-laws needed new tires and they were the same size.

Next went to the Cooper Discoverer AT3. Negative impact on the ride and handling, but not terrible. Night and day difference off road - these things love the mud! Much better at pulling the camper too - not nearly as much rear end sway. Not sure if being wider or a stiffer sidewall is what is helping, but you can tell the difference. I'm at about 45,000 miles on them right now - they might have another 10,000 in them, but I hope to trade up to a 14 before then.
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Old 03-17-2014, 02:50 PM
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Re: tires for towing 7000# plus trailers

For towing such a large trailer, the first thing (if you haven't tried this yet) is to air the tires to max sidewall pressure. This helps handling and ensures that the tires are at their best load carrying and towing capability, and minimizes heat buildup and danger of blowouts.

Generally a lower profile tire will help your handling while towing, because the taller the sidewall the more side-to-side play is allowed. Also, a higher load range tire will have a stiffer sidewall and will allow higher psi, both of which will help.
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