Light Truck Tires

Discoverer S/T MAXX

Discoverer S/T MAXX™ is rated 4.8 out of 5 by 28.
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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 Phenomenal tires I had these put on my new Ford F250 Super Duty Diesel and at first thought I might have to live with less handling on the road in order to have off-road capabilities-wrong! It handles like a sport tire on my huge truck, and still gives me all of the confidence needed for off-road applications. I love these tires.
Date published: 2016-12-02
Rated 4 out of 5 by from F-250 Super Duty 7.3 Diesel, HD upgraded suspension for camper! This tire is very good for any off-road driving, including mud! That being said, it has good characteristics for hauling heavy trailers, campers, ect. The side wall resistence is superior to a lot of higher priced tires. Which brings me to the side-wall rating & loadings. E rated tire were hard to find just five short years ago. At 3750#s per tire is hard to beat with a plus speed rating when not hauling. In Arizona tires wear really quick on the HOT asphalt roads!! This is why the only four stars. No minimum wear guarantee? All said and done just blew the right front, no problem though, cause I really wore them down. That's when the noise gets bad and noticeable. I'm now going to try the ATP's simular to the Maxx but with wear a wear rating! Might buy the Maxx for a separate set just for off road work.
Date published: 2016-12-02
Rated 5 out of 5 by from Great ride. I've only had these ties for several weeks but so far I really like'm. I'm NOT happy that they've been discontinued and replaced. With as few miles as I drive I'm sure they'll serve me well over the next several years. The ride is great, no noise to speak of. I haven't had the chance to take off the payment yet. I haven't put enough miles on them yet to rate every category with great accuracy.
Date published: 2016-12-01
Rated 5 out of 5 by from would buy again in a heartbeat I drive a 1997 f350 crew cab long bed 4x4 diesel I've put close to 30k on these tires and rotated them every other oil change (10k for each rotation) even with some alignment issues i am more than happy with the tire as far as treadwear. And as far as winter traction i am impressed, last winter i trudged 24 miles in 5-7 inch snow in rear wheel drive when i busted a u joint in my front drive shaft with a truck that has 70% of the weight up front and no winter weight in the bed these tires pushed along like i was on afreeway in july. As far as off road they are great in mud, however i spend alot of time in adams county WI were it is all sand they do alot more digging than pulling. I also am very happy with the tires from a commercial stand point i haul a 2500lb pickup camper periodically throughthe simmer and i haul many cars and trucks throughout the year. Over all my next set of tires on this truck are cooper discoverer st maxx without any hesitation
Date published: 2016-11-30
Rated 5 out of 5 by from Excellent on and off road. Flat spot over night '14 Jeep Wrangler Rubicon 4dr. 315/70R 17 on stock wheels. The only complaint, and this is small; This size tire will flat spot over night. It takes about an 1/10 to an 1/8 mile first thing in the morning for them to get round. No one I have talked to with smaller tires has this issue. Great on the road, and in rough twisty canyon driving. Confidence inspiring, even with the tall sidewalls. Off road in sand, loose rocks, and rock crawling it is surprisingly competent. I don't do mud, so someone else will have to comment on that.
Date published: 2016-11-21
Rated 5 out of 5 by from What a great tire on/off road! I bought tires 2 yrs ago after running a set of AT3's (55,000 on them and could have put another 5k+)on my 2012 F150 FX4 and wanted something a little heavier for off road and hunting and liked the tread design but was skeptical on the 10ply and the weight difference. WOW is all I have to say! I currently have 72,000 on these and rotate every 6,000. They finally started to cup a little the last 2 rotations but one would never believe i would get that kind of wear from a tire. Cooper has definitely done a great job on this tire and will have me as a customer for life! I was thinking on trying STT PRO's this time, but believe I will be sticking with the ST MAXX, thanks again Cooper for an excellent tire and a very happy consumer!
Date published: 2016-11-17
Rated 5 out of 5 by from An All Around Great Tire Ive owned many Big name brands of AT truck tires over the years and none have performed like the Cooper ST Max . I have nearly 35 K on mine now and they have plenty of Tread life left . As with most any aggressive tread tire keep them rotated regularly , I rotate them every 3500 miles ... If you take care of them they will last a long time . As for Traction , these ST Max Perform Really Great in gravel , dirt , Mud and Snow the tread lugs clean out very quick so you continue getting traction and are excellent on road as well .... I think Ive finally found a Tire that fits my needs and will defiantly be buying another set when I need them . They work well in all situations and give you plenty of tread life for your money don't think twice about buying these tires they are a good one ... Thanks to Cooper Tire , I Couldn't be Happier with a Tire ... Thanks
Date published: 2016-11-16
Rated 5 out of 5 by from Best tire I've ever had I have these in a 35 on my Jeep JK. Great offroad tire, great in rocks, and also quiet and great on the road. Wet roads, no problem. Rides like a Caddy with 28 PSI. 50K mile tire all day.
Date published: 2016-11-15
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