Discoverer AT3 XLT

Discoverer® AT3 XLT™

Fits Truck All-Season

Standard Limited Warranty
Free 45-Day Test Drive
60,000 Mile Treadwear Protection

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*

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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	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
LT275/60R20	123\120S	E	BLK	7.5 - 9.5	8	11	32.99	8.9	57	3415	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

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Warranty

Standard Limited Warranty
Free 45-Day Test Drive
60,000 Mile Treadwear Protection

Download the 2020 Consumer Replacement Tire Guide, Limited Warranty & Registration Booklet.

Reward

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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.