Discoverer AT3 XLT™

Fits Trucks/Pickups All-Season

Discoverer AT3 XLT™ is rated 4.8 out of 5 by 29.
  • y_2019, m_3, d_24, h_16
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.11
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_29
  • loc_en_US, sid_459_Trucks_Pickups, prod, sort_[SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_coopertire
  • bvseo_sdk, net_sdk, 3.2.0.0
  • CLOUD, getAggregateRating, 23ms
  • REVIEWS, PRODUCT

Standard Limited Warranty
Free 45-Day Road Test
60,000 Mile Treadwear Protection - LT-metric sizes

The Discoverer AT3 XLT™ with Durable Tread Technology™ hauls heavy loads with less wear and are built to withstand ongoing assault from dirt and gravel. Available in larger sizes.

  • Designed to prevent shredding on rocky and gravel terrain
  • Extreme durability for hauling
  • Rugged, biting edges on the shoulder of the tire, for extra grip and resistance to punctures
  • Stops on average at least 10 feet shorter on wet roads*

Features

Dry Performance

The tire’s ability to grip the road in dry conditions.

Wet Performance

The tire’s ability to grip the road in wet conditions.

Tread Wear

The wear rate of the tire.

Quiet Ride

The measure of how quiet a tire is while driving.

Handling

How the tire is able to respond to driving such as accelerating, braking, steering and turning.

Off Road

The tire’s ability to have grip on unpaved surfaces such as dirt, mud, sand, rock or gravel.

*When compared to other Cooper® tires.

Tire Design

  • Even Wear Arc Technology™

    Tire shape engineered to strategically balance pressure at the tire-to-road contact area promoting even on-road treadwear and superior handling.

  • Whisper Grooves™

    The "Whisper Groove™" provides a sound barrier that reduces road noise.

  • Stone Ejector Ledges

    Ledges easily eject stones and gravel, protecting the tire from stones drilling into carcass and maintaining a clean tread for enhanced road traction.

  • Rugged Traction Shoulders

    Rugged traction shoulders provide increased off-road traction for boulder crawling and mud handling as well as additional resistance to abrasion and punctures.

Full Specs

Tire Size Service Description UTQG Load Range Sidewall Approved Rim Width Measured Rim Width Section Width Overall Diameter Tread Width Tire Weight Max Load Tread Depth (1/32")
31X10.50R15LT 109R C RWL 7 - 9 8.5 10.6 30.2 8.31 44 2270 16.5
32X11.50R15LT 113R C RWL 8 - 10 9 11.6 31.42 9.09 48 2535 17
33X12.50R15LT 108R C RWL 8.5 - 11 10 12.6 32.36 9.69 54 2205 17
LT285/75R16 126\123R E RWL 7.5 - 9 8 11.6 32.56 8.9 54 3750 17
LT295/75R16 128\125R E RWL 7.5 - 9.5 8 11.9 33.35 9.21 58 3970 17
LT315/75R16 127\0R E RWL 8 - 11 8.5 12.4 34.49 9.8 64 3860 17
LT305/70R16 124\121R E RWL 8 - 9.5 9 12.2 32.72 9.69 57 3525 17
LT285/75R17 121\118S E BLK 7.5 - 9.5 8 11.5 33.82 8.9 58 3195 17
LT285/70R17 121\118S E RWL 7.5 - 9 8.5 11.4 32.83 9.09 56 3195 17
LT295/70R17 121\118R E RWL 7.5 - 10 8.5 11.9 33.35 9.41 58 3195 17
LT305/70R17 121\118R E BLK 8 - 9.5 9 12.2 33.86 9.8 61 3195 17
LT315/70R17 121\118S E RWL 8 - 11 9.5 12.6 34.33 10 64 3195 17
37X12.50R17LT 124R D BLK 8.5 - 11 10 12.5 36.54 10 68 3525 18
LT285/75R18 129\126S E BLK 7.5 - 9.5 8 11.5 34.84 8.9 60 4080 17
LT265/70R18 124\121S E RWL 7 - 9 8 10.7 32.64 8.62 53 3525 16.5
LT275/70R18 125\122S E RWL 7 - 8.5 8 11.1 33.23 8.9 57 3640 16
LT295/70R18 129\126S E BLK 7.5 - 10 8.5 12 34.25 9.41 61 4080 17
LT285/65R18 125\122S E RWL 8 - 10 8.5 11.6 32.56 9.41 57 3640 16
LT305/65R18 124\121S E BLK 8.5 - 11 9 12.2 33.58 10 62 3525 16.5
LT325/65R18 127\124R E RWL 9 - 12 9.5 13 34.61 10.59 68 3860 16.5
LT325/60R18 124\121R E BLK 9 - 12 9.5 13 33.35 10.63 63 3525 16.5
35X12.50R18LT 123R E BLK 8.5 - 11 10 12.5 34.96 9.88 66 3415 16.5
LT275/65R20 126\123S E RWL 7.5 - 9.5 8 11.1 34.21 8.9 61 3750 16
LT285/65R20 127\124S E RWL 8 - 10 8.5 11.5 34.57 9.69 62 3860 16
LT265/60R20 121\118R E BLK 7.5 - 9.5 8 10.7 32.52 8.78 57 3195 16
LT285/60R20 125\122S E BLK 8 - 10 8.5 11.3 33.7 9.69 60 3640 16
LT295/60R20 126\123S E BLK 8 - 10 8.5 11.5 34.13 9.72 61 3750 16.5
LT325/60R20 126\123R E RWL 9 - 12 9.5 13 35.35 10.59 70 3750 16.5
LT275/55R20 120\117S E BLK 7.5 - 9.5 8.5 11.2 31.89 8.9 55 3085 16
LT285/55R20 122\119R E BLK 8 - 10 9 11.7 32.36 9.69 59 3305 16
LT305/55R20 121\118S E BLK 8.5 - 11 9.5 12.2 33.35 10.31 62 3195 16
35X12.50R20LT 121R E BLK 8.5 - 11 10 12.5 34.65 10 66 3195 16.5

Reviews

Rated 5 out of 5 by from #1 Tire for Hd work trucks. Great looking. Quiet on the highway. Holds a trailer well with a skid steer on gravel roads. Then take em to the beach on the weekends, or skiing in the winter. I always promote this tire on facebook, and have bought at least a dozen set of Cooper tires over the years.
Date published: 2019-03-10
Rated 5 out of 5 by from Awsome tire Outstanding tire, quiet with great road manners. Head and shoulders better than the TOYO AT2's and BFG K02's that I had in previous tundras. I mounted a set of 315/70RX17's on ICON 6 speeds wheels. 18 Toyota Tundra. WOW, I made the right choice
Date published: 2019-03-02
Rated 5 out of 5 by from Awesome tire! I bought these in a 295/70/18 and have just over 2000 miles on them so far. These tires have great traction and have an extremely smooth ride. I replaced a set of BFG KO2 with these on my F150 and I’m very pleased.
Date published: 2019-02-26
Rated 5 out of 5 by from Best tire out right now I have had off road tires from every major manufacturer. I don't think I will ever purchase anything other than these as long as they keep making them. Snow traction is the best I have ever had, and they blew my mind with how quiet they are. Only have around 6k miles on them but have zero concerns with wear. Buy with confidence. Best tire Cooper or anyone has ever put out.
Date published: 2019-02-25
Rated 5 out of 5 by from LT 315/75R16/E Discoverer A/T3 On a lifted02 Toyota Tacoma second set.quiet great in the snow&rain for the first three years.I got136,000 miles on then in six year's not bad yes they where done.I commute86 miles day.thank you Walt for recommending them.Walt's tire factory/point S
Date published: 2019-02-06
Rated 1 out of 5 by from AT3 I bought these about a year ago or my Chevy Silverado and these are the worst tires I have ever owned
Date published: 2019-01-24
Rated 5 out of 5 by from 275/70r18 275/70r18 These ARE triple peak snow rated. It was not advertised anywhere but when I got tires it was stamped on the tires. All dealers told me they were not and Cooper doesn't advertise it at this point but it designated on my 275/70-18 tire. Time will tell how they do.....just bought
Date published: 2019-01-16
Rated 5 out of 5 by from Look great on my truck. This is my second set of Copper tires. I put them on a 2015 Ram 2500. I had the AT3's. Nice tire. Did not get the tread wear I expected. Good ride and traction. Now I have the AT3XLT. Look great. Very quiet. Only time will tell. Love Copper tires.
Date published: 2019-01-09
  • y_2019, m_3, d_24, h_16
  • bvseo_bulk, prod_bvrr, vn_bulk_2.0.11
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_29
  • loc_en_US, sid_459_Trucks_Pickups, prod, sort_[SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_coopertire
  • bvseo_sdk, net_sdk, 3.2.0.0
  • CLOUD, getReviews, 2ms
  • REVIEWS, PRODUCT

Videos

Warranty

Standard Limited Warranty
Free 45-Day Road Test
60,000 Mile Treadwear Protection - LT-Metric Sizes


Download the 2019 Consumer Replacement Tire Guide, Limited Warranty & Registration Booklet.

Reward

  • Wet stopping distance as compared to leading LT-denoted all-terrain tires reviewed on well-known consumer ratings sites. Individual on-road results may vary.