Light Truck Tires

Discoverer S/T MAXX

Discoverer S/T MAXX™ is rated 4.3 out of 5 by 63.
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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 Great all around tire Have these on a 2014 ram 3500 6.7 CCSB. 15k miles so far, probably about 15-20k miles left which is pretty good for these trucks. I have the 295/70/18 on stock rims. Located in Northwest WA they see varying road conditions. Offroad they do great, throw gravel though so be mindful. Winter months no issues at all with rain/slush/snow/ice. I have no issues driving in the winter. For those that apparently blame the sipping for inability to drive in the winter get them sipped at discount tire. I lost 2 mpg going with a bigger/wider tire (almost 35x12"). Was to be expected however. Only issues are they get a tad noisy, not real bad like a true mud tire. They are also a bit squirmy when first installed, after a few hundred miles all good. For those that claim a rough ride adjust your air pressure. Mine are front 65# rear 45#, air the rear up as you load the truck. I will be buying again.
Date published: 2017-07-03
Rated 4 out of 5 by from Love these tires On my third set of these tires, do a lot of Mixed Driving Highway, Offroad Pipeline conditions, Great all-around tire ! Very quiet when they're new but they do tend to get loud as they wear, keep them rotated and they have an above average tire life for the aggressiveness. Live in Southeast Texas lots of rain and lots of high temperatures not sure how they will do in the snow, but they perform well here
Date published: 2017-06-27
Rated 5 out of 5 by from Best tire ever owned on a 4x4 Over 32k miles and tires show very little wear. Most say they look brand new Quiet and smooth
Date published: 2017-06-25
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
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