Discoverer HT3™

Fits Truck All-Season

Discoverer HT3™ is rated 4.0 out of 5 by 25.
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Standard Limited Warranty
Free 45-Day Test Drive
50,000 Mile Treadwear Protection

The Discoverer HT3™ is designed for drivers of commercial pickup trucks and vans, optimized for highway driving.

  • Engineered to resist abnormal wear
  • Improved handling, performance and traction
  • Quiet running tread design

M+S Rated

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

  • Four Wide Circumferential Grooves

    For hydroplane resistance.

  • Continuous Shoulder Ribs

    Provides superior resistance to irregular wear for longer life and a quieter ride.

  • 3D Micro-Gauge™ Siping

    Helps maintain a stable shape during acceleration, braking and cornering, which enhances grip and traction.

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")
LT235/75R15 104\101R C BLK 6 - 7 6.5 9.1 28.9 7.01 35 1985 14
205/65R15C 102\100T C BLK 5.5 - 6.5 6 8.1 25.51 6.22 26 1875 14
185/60R15C 94\92T C BLK 5 - 6.5 5.5 7.4 23.78 5.63 24 1477 14
31X10.50R15LT 109R C BLK 7 - 9 8.5 10.6 30.2 8.31 40 2270 14.5
LT215/85R16 115\112R E BLK 5.5 - 7 6 8.4 30.31 5.98 37 2680 14.5
LT235/85R16 120\116R E BLK 6 - 7.5 6.5 9.4 31.77 6.69 41 3042 14.5
LT225/75R16 115\112R E BLK 6 - 7 6 8.5 29.21 7.01 37 2680 14.5
LT245/75R16 120\116R E BLK 6.5 - 8 7 9.7 30.35 7.52 41 3042 14.5
LT265/75R16 112\109R C BLK 7 - 8 7.5 10.5 31.61 7.8 43 2470 14.5
LT265/75R16 123\120R E BLK 7 - 8 7.5 10.6 31.61 7.8 46 3415 14.5
LT285/75R16 126\123R E BLK 7.5 - 9 8 11.6 32.56 8.9 52 3750 15
235/65R16C 121\119R E BLK 6.5 - 7.5 7 9.4 28.03 7.64 37 3195 14.5
LT235/80R17 120\117R E BLK 6 - 7.5 6.5 9.2 31.77 6.69 41 3085 14.5
LT225/75R17 116\113R E BLK 6 - 7.5 6 8.7 30.35 7.01 39 2755 14.5
LT245/75R17 121\118S E BLK 6.5 - 7.5 7 10 31.5 7.64 45 3195 14.5
LT245/70R17 119\116S E BLK 6.5 - 8 7 9.8 30.55 7.87 41 3000 14.5
LT265/70R17 121\118S E BLK 7 - 8.5 8 10.9 31.65 8.58 47 3195 14.5
LT275/70R17 121\118S E BLK 7 - 8.5 8 11 32.17 8.86 49 3195 14.5
LT285/70R17 121\118S E BLK 7.5 - 9 8.5 11.4 32.83 9.09 50 3195 15
LT265/70R18 124\121S E BLK 7 - 9 8 10.7 32.64 8.62 50 3525 14.5
LT275/70R18 125\122S E BLK 7 - 8.5 8 11.1 33.23 8.9 51 3640 14.5
LT275/65R18 123\120S E BLK 7.5 - 9.5 8 11.1 32.09 8.9 50 3415 14.5
LT275/65R20 126\123S E BLK 7.5 - 9.5 8 11.1 34.21 8.9 54 3750 14

Reviews

Rated 5 out of 5 by from Excellent Tires I've run 3 sets of HT 3 so far average about 38K miles per set. Truck 05 F 350 2wd SD XLT Diesel. Pull several trailers,4K to 11K. Run from Southwest to Erie,Pa area. Never had a blow out . Love these tires.. Buying a new set this month.
Date published: 2019-09-12
Rated 1 out of 5 by from Look elsewhere if you want dependability Put a set of E/rated 10ply HT3s on my 2015 Ford 250 Van. After 3000 miles one developed deep sidewall dents. was told by the tire expert that it was a torn belt, he replaced the tire but when the rest did the same thing the Cooper rep.tried to tell me that it was just where the belts overlap. So now I'm driving my work van with belt deformation's in the sidewall of my new tires that are getting worst. Next step is DOT.
Date published: 2019-08-24
Rated 5 out of 5 by from Excellent Commercial Highway All-Season Tire. 2005 Chevrolet Silverado 2500HD 4x4. Excellent ride, wear and handling. I opted for a better profile for the stock steel wheels 235/85-16 HT3's. No regrets. I'll buy again!
Date published: 2019-07-22
Rated 1 out of 5 by from Terrible tire Tires are out of round. One was replaced in the first week for being out of round. Vibration improved some but not much. They won’t replace the others. Can’t trade them in as this is the only highway tire they make in my size. My worn out tires didn’t shake. Now I have a daily reminder of why I hate these tires. Buyer beware.
Date published: 2019-06-17
Rated 2 out of 5 by from 60% gone in 1st 12,000 miles I put a set of 6 on my 01 F350 7.3 4dr, great snow tires however I've only got 12k miles on them after 3yrs from install date and they are down to maybe 40% at best of remaining tread on all 4 of the rear drive axle tires, all 4 of them are identical, none of which were ever rotated to the front steer axle. The 2 front tires are almost gone maybe 15% remaining. Just had to replace them as the drivers side tire tread had began to separate with exposed steel belts on the outer portion of the tread surface. Should not have worn down that far in 12k miles..pretty unhaappy. Will not ever re-purchase the same tires.
Date published: 2019-06-02
Rated 4 out of 5 by from Great tire I go through 3 sets of tires per year on my fleet vans. Been through a lot of different tires and these have been the best. Quiet, smooth, great wear, plenary of traction, and made in U.S.A. I would buy these again.
Date published: 2019-05-08
Rated 2 out of 5 by from Noise is unbearable 5 stars in every category except noise. At 30,000 the noise began and the more wear the louder they get. At 40,000 they are unbearable. I’ve been through four sets of other Cooper’s on two other vehicles and have been very pleased. Love that they are made in the USA. Debating on changing to a different cooper or going to Goodyear
Date published: 2018-10-12
Rated 5 out of 5 by from Replaced Michelins I used to run Coopers but a bunch of forums recommended the tires from the "fat guy". I ran them and have since switched back to Coopers. I think the ride is better, especially on the highway. I do some towing and load range E tires are a must. The dry and wet traction of the HT3 is better then the competition. With a warranty of 50k they have the same wear warranty and Cooper is an American owned company unlike the French owned competitor. Buy American! For the July 4th Holiday we headed for the OZarks and had a blast. These tires ran cool, straight, and very quiet, had great traction on the road and the campsite. A great purchase, and better price than the competition.
Date published: 2018-07-08
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Warranty

Standard Limited Warranty

50,000 Mile Treadwear Protection


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

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