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Old 08-13-2016, 01:59 PM   #1
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Cooper Discoverer AT3 Tires

Will need to replace the stock tires on my truck before winter/hunting season and am leaning towards the Cooper Discoverer AT3 in 275/70R18 (125S E rated 10 ply). Found a lot of reviews on them, mostly good, but not many from folks pulling a trailer. Does anyone run these pulling a fifth wheel? Travel trailer or gooseneck too I guess? Anything positive or negative to say? Mileage expectation? Cooper says 55k though I am sure that is pretty optimistic.
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Old 08-13-2016, 02:23 PM   #2
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Quote:
Originally Posted by Zigeuner View Post
Will need to replace the stock tires on my truck before winter/hunting season and am leaning towards the Cooper Discoverer AT3 in 275/70R18 (125S E rated 10 ply). Found a lot of reviews on them, mostly good, but not many from folks pulling a trailer. Does anyone run these pulling a fifth wheel? Travel trailer or gooseneck too I guess? Anything positive or negative to say? Mileage expectation? Cooper says 55k though I am sure that is pretty optimistic.
I have them on my F150, towed my race car trailer fine, traction is very good in snow. I don't think I would buy them again due to the fact that they are a very noisy tire on the highway.
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Old 08-13-2016, 03:34 PM   #3
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I just got some Michelin Defender tires. Smooth, silent, long wearing. Great reviews.
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Old 08-13-2016, 04:02 PM   #4
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Originally Posted by Zigeuner View Post
Will need to replace the stock tires on my truck before winter/hunting season and am leaning towards the Cooper Discoverer AT3 in 275/70R18 (125S E rated 10 ply). Found a lot of reviews on them, mostly good, but not many from folks pulling a trailer. Does anyone run these pulling a fifth wheel? Travel trailer or gooseneck too I guess? Anything positive or negative to say? Mileage expectation? Cooper says 55k though I am sure that is pretty optimistic.
The Cooper AT3 is an excellent tire. 55,000 miles might be a stretch though if you are towing a trailer. The AT3 is an aggressive tread design (open to shed snow and mud) so the tread might crawl a bit with the normal sway a trailer subjects the rear tires to.
Every tire is a compromise. Excellent for some applications but marginal for others. Towing a trailer I would want all the rubber on the road I could get to keep the rear end behind me. Winter or mud use the AT3 would be hard to beat for a higher mileage traction tire.
I would search for a highway tire if it were me. Periodic rotation is a must when towing with any tire.
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Old 08-13-2016, 04:23 PM   #5
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Goodyear Duratrac way better
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Old 08-15-2016, 07:37 PM   #6
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Thanks for the opinions
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Old 08-15-2016, 08:13 PM   #7
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cooper at3's

currently have that same tire on my tacoma, not sure if its a 10 ply though, also ran them on my last 4 runner, anyway its a very good tire, 45,000 miles is a safe bet, they are kinda soft, balanced good, tacomas are kinda noisey so i dont hear any noise from the tires, nor was it a prob on the 4runner. Standing water can cause my truck to hydroplane, not sure if its the tires or the light truck. For the money and the two tracks and snow i encounter, its a good allaround tire.
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Old 08-16-2016, 04:45 AM   #8
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I had two sets of Cooper AT3s on my Chevy 1/2 tons and a set on my Dodge 2500 Cummins.

I loved them on every truck. Never got 55k miles out of them, but 40 wasn't a stretch.
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Old 08-17-2016, 06:59 PM   #9
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I had the cooper AT3s and liked them on my truck. I put around 50k on them then sold the truck. They're soft for off roading but handled the road good. I liked them in the winter on wet roads. I can't wait till the factory tires wear out on my new truck so I can buy me some more coopers.
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Old 08-17-2016, 10:23 PM   #10
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Quote:
Originally Posted by Highway 4x4 View Post
I just got some Michelin Defender tires. Smooth, silent, long wearing. Great reviews.
Have you had a set before? If so, what was your mileage before they needed to be replaced? I full time, so I tow more than most, so any insight into how this might reduce the life span of the tires?

I had LTX2 M/S tires on two vehicles before I got the pickup, and routinely got 60K+ miles out of a set, the wet and snow traction was great, and they were very good on ice with great feedback and traction in all weather conditions. Going to get a set regardless, unless you have something very negative to say about the towing wear.
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