Light Truck Tires

Discoverer S/T MAXX

Discoverer S/T MAXX™ is rated 4.3 out of 5 by 60.
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Discoverer S/T MAXX

Standard Limited Warranty
Studdable
M+S Rated

The Discoverer S/T MAXX features Cooper’s proven and reliable 3-ply “Armor-Tek” carcass construction combined with a new, proprietary cut and chip resistant tread compound. With that combination along with its modern hybrid 4-5 rib tread design and unique tread features, the S/T MAXX is destined to be a commercial grade traction tire that will perform in the toughest terrains while retaining remarkable on-road traction, stability and low noise characteristics.

Tire Sizes & Specifications Will This Fit My Vehicle?

Features & Benefits

  • Armor-Tek3 carcass construction contributes to the durability of the S/T MAXX by adding strength to the sidewall and tread area.
  • Blended natural rubber and silica based provides exceptional wet traction and confident handling on the highway, while also delivering excellent cut and chip resistance on unpaved, rocky and gravel terrain.
  • Stone ejector ribs help to discharge stones and resist stone drilling.
  • Enhanced buttress design provides additional off-road traction, abrasion and puncture resistance.
  • Alternating 4-5 -rib tread pattern gives a bold look, while providing enhanced on- and off-road performance.

Customer Reviews

Rated 5 out of 5 by from Look/Drive I installed 275/70/18 ST Max's on 2015 Duramax w/ leveling kit. Looks awesome!!! Thought I needed rims, the tires look so good that they make the look of the truck! Pulling camper, living in the country, snow, the tires are a perfect fit. Very surprised by the quiet ride. Highly recommend, very happy with this product!
Date published: 2017-05-28
Rated 5 out of 5 by from very pleased Bought these for Dually dodges. They fit without spacers for a replacement to the stock 235/80/17. I did not expect much tire life but was surprised. 42000+ miles before they were replaced. They have always been run hard. Empty weight on truck is 10400 and is typically at 14k to 16k without trailer. Bought 3 more sets for other duallies. Outlasts the other tire manufacturer in this size 3 to 1.
Date published: 2017-05-09
Rated 5 out of 5 by from The Best On/Off Road Tire Ever I know it sounds corny but I take my 2nd gen xterra through all kind of extreme terrain and these tires prove themselves over and over. I purchased them for puncture resistance and found this to be only one of their excellent features. At 15 psi I've climbed loose rock. In death valley went through thick adobe mud. Wheeler Ridge in the Sierras in loose gravel. Have taken them through everything but snow and they are unstoppable. My friends are all suprised by how quiet they are. They balanced well. One tired required no weights. Really like the looks too. Wearing well but on the street my wife says i drive like an old lady. That might help.
Date published: 2017-05-05
Rated 2 out of 5 by from Shouldn't have replaced original Horrible tread life oñ any real truck over half ton rating
Date published: 2017-05-02
Rated 5 out of 5 by from Been one of my favorite sets of tires I bough these tires 3 years ago and now have 30K on them. I spend a lot of time on dirt roads and try to get on the rocky 4x4 trails once a month a least. Been awesome and they haven't had a single problem. The wear has been awesome as well. After 30k they are starting to make a little more noise but nothing bad at all. This is the perfect all around tire for my truck. I was just seeing what other tires cooper may have and wanted to post my review on these while I was thinking of it.
Date published: 2017-04-30
Rated 4 out of 5 by from Very good overall. Wet weather traction is good but not great. Spin easily on wet road takeoff. Squirrely when new but feel normal after a couple thousand miles. Good in snow, mud, dirt, etc. As far as ice, nothing is good on ice unless you have studs.
Date published: 2017-04-27
Rated 5 out of 5 by from This product handles heavy loads with incredible stability The tire has done amazing with whatever I put them through. Extremely stable on my f350 crew cab long box loaded and unloaded.
Date published: 2017-04-19
Rated 5 out of 5 by from Best Tire Ever Have put on my 2004 Powerstroke and 2004 Excursion and have about 25,000 miles on both with about 40% tread left. Easily a 40,000 mile tire with limited trailer pulling. Spending lots of time on Interstate back and forth to the Black Hills of South Dakota, the Armor-Tek3 carcass is reassuring against flat tires with reduced susceptibility to nails, sharp objects that can ruin a road trip. Great on hot dry conditions here in summer and blizzards in the winter. Will never buy anything other than these as long as Cooper makes them. And, made in USA!
Date published: 2017-04-11
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