NEW TOW RIG TIRES - Cooper Discoverer AT3XLT All-Terrains

This is awesome timing. I am really curious how these will handle in the snow. The Michelins that came on our F250 absolutely SUCK! Seriously, these things are worthless anytime there is precip on the road. They are quiet but that's about the only thing nice I can say about them. I'm quietly hoping I run over something (at low speed!) that ruins two of them so I can get a good set before winter.


I run the original AT3's on my personal truck and our company trucks. They're great in the snow (fluffy and hard-pack) but if you need the next level of snow traction and can sacrifice a bit of tread life (50k vs 60k), look at Cooper's A/TW. It's the winter variant but it's not a traditional "snow tire". Excellent all-around'er for those of us that get long winters.
 
Thank you for the excellent review of the Cooper Discoverer AT3XLT tires. They look great on your tow rig. :rock: We look forward to your long-term review.
 
I’ve been running these on my pickup, for about a month. So far they have been great. They seem to have great traction in wet conditions, they are pretty quiet, and seem to ride better than my old tires.

I have not seen an improvement in fuel mileage, but that is because I bought 275/65R20, instead of 275/60R20. I didn’t really go to what is essentially a 35 on purpose on a pickup. I just asked for the incorrect size when I called for the tire shop.


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I’ve been running these on my pickup, for about a month. So far they have been great. They seem to have great traction in wet conditions, they are pretty quiet, and seem to ride better than my old tires.

I have not seen an improvement in fuel mileage, but that is because I bought 275/65R20, instead of 275/60R20. I didn’t really go to what is essentially a 35 on purpose on a pickup. I just asked for the incorrect size when I called for the tire shop.


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Scale wise, I’m sure the fit the truck better. Factory tires are just too small


2015 JKUR AEV JK350
1985 CJ8 Scrambler
 
Scale wise, I’m sure the fit the truck better. Factory tires are just too small


2015 JKUR AEV JK350
1985 CJ8 Scrambler

Oh yeah. It looks better, and they fit fine. They are approximately an inch larger than stock. They’ve cost me a little fuel mileage and power, even though I still have plenty of grunt out of the Hemi.


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I put these on my 3500 Ram, 295/70/18's (Measure 34") and absolutely love them. They do really well in all conditions, even clean out well in mud. Quiet, smooth and great mileage. I've got 14k on them now and am very happy.
 

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A little over a month ago, I got a call from Cooper Tire asking if I'd be interested in testing out an all new line of all-terrain tires that they were going to be releasing this summer called, the Discoverer AT3XLT. In addition to being made out of their long lasting Durable-Tread Technology, these tires were made to be strong enough to take on the toughest of road, provide superior traction in rain and snow and offer additional grip in mud and loose soil with the "biting edges" designed into the shoulders. Of course, the one thing that really caught my eye was the fact that these tires also come with a best-in-class, 60,000 mile warranty!

Now, I'd be the first to say that I'm not really an all-terrain tire kind of guy or at least, not when it comes to my Jeeps but a tire like this is what I'd prefer to run on my tow rig. Being that most of it's time is spent on the highway pulling heavy loads and in snowy conditions in the winter, I was more than happy to give them a try. Here's a few shots of what they look like.
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While the tread is more mild mannered in its design, the shoulder lugs are very aggressive and look more like something you'd find on a mud-terrain tire.
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Here you can see that the AT3XLT features Cooper's Durable-Tread Technology and maybe even more important, that the tire is MADE IN THE U.S.A.
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The significant amount of siping should help to offer outstanding traction even in icy conditions.
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Here are a few pics of what they look like installed on our Duramax.
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Although we had no real reason to tow Moby anywhere, we did just have the cooling system on our Duramax worked on and so, Cindy and I decided to kill two birds with one stone and do so by testing it and our new Cooper Discoverer AT3XLT, out on the highway and in the blistering heat of summer. All loaded up and ready to go!
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So, after spending the whole day driving out into the desert, up and over mountain passes and in near 100° temps, this is what I can tell you. Our cooling system is working great again but more importantly, the all new Cooper Discoverer AT3XLT all-terrain tires are great! Sure, they may not have the sexiest tread in the world but the upside to that, is that they're super quite on the highway. Also, being that they have significantly less rolling resistance, we did see a slight increase in our fuel economy.
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It'll be a while before I can test these new Discoverer AT3XLT in the snow and ice but I do look forward to it and will be sure to update my review of them once I do. :cool:

The AT3XLT should be available for sale this month and for those of you who might be interested in them, the following is the official press release that Cooper has provided.

Cooper® Discoverer AT3XLT™

The all-new, all terrain Cooper® Discoverer AT3XLT™ tires are as powerful as your sense of adventure. They’re reliable in the toughest conditions, with resistance to shredding built right in, for performance that lasts. And with superior control in all seasons, there’s no limit to where they can take you.

We’ve designed these tires to give you strength that won’t quit—and that all starts with Durable-Tread Technology™. The long wearing rubber compound of the tires equips them for endurance, while their tread pattern spits out rocks and debris on the roughest of roads. Biting edges built into the side of the tire help to give you fierce traction and grip when trekking through mud and loose soil. And channels in the tire evacuate water when rain hits, and trap snow for better winter traction, so you’re prepared for changing weather, no matter the season. Equipped with a best-in-class warranty of up to 60,000 miles, they’re the tires that will keep you exploring.*

When we upgraded the Discoverer AT3XLT™ tires, we kept your biggest musts in mind. That’s why they hold up on rough roads, are constructed to provide a stable ride when hauling and yet are adaptable enough to give you a quiet, comfortable ride on the highway. Made in the USA they’re more durable than ever. You’ll know you have tires you can trust—so you can have confidence when it counts.

I know this post is several years old, but I’m curious to learn what your experience was. I have an 07 GMC Duramax and ran a set of these for about 25k and it wasn’t good, couldn’t keep them in balance and ended up replacing them with some KO2’s. One had a belt issue, it looked like an egg spinning on the balancer. I’ve had other Coopers that were trouble free. I hope your experience was good.

I worked for Cooper Tire for several years and while I think they make decent tires I don’t consider them top shelf. Tire manufacturing is a complex process and even with precision equipment and tight quality control consistent uniformity can be elusive.

Ironically, the used Wrangler we picked up has a set of these on it. I admit I wasn't excited to see that but they are low mileage and will do for now.
 
I know this post is several years old, but I’m curious to learn what your experience was. I have an 07 GMC Duramax and ran a set of these for about 25k and it wasn’t good, couldn’t keep them in balance and ended up replacing them with some KO2’s. One had a belt issue, it looked like an egg spinning on the balancer. I’ve had other Coopers that were trouble free. I hope your experience was good.

I worked for Cooper Tire for several years and while I think they make decent tires I don’t consider them top shelf. Tire manufacturing is a complex process and even with precision equipment and tight quality control consistent uniformity can be elusive.

Ironically, the used Wrangler we picked up has a set of these on it. I admit I wasn't excited to see that but they are low mileage and will do for now.
My experience with these tires has been very positive, I've got 47,000 on them and they still have what looks to be 30% the tread left. I tow several different trailers, up to 14k lbs and am very happy with these tires. I will buy them again when they wear out.
 
My experience with these tires has been very positive, I've got 47,000 on them and they still have what looks to be 30% the tread left. I tow several different trailers, up to 14k lbs and am very happy with these tires. I will buy them again when they wear out.
Glad to hear your experience has been good.
 
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