Cooper Discoverer STT Pro Mud Terrain LT305/55R20 125/122Q F Light Truck Tire
Cooper Discoverer STT Pro Mud Terrain LT305/55R20 125/122Q F Light Truck Tire
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Cooper Discoverer STT Pro Mud Terrain LT305/55R20 125/122Q F Light Truck Tire

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Key item features

  • Robust Construction: Armor-Tek internal construction and a reinforced sidewall guard against cuts, chips, punctures, and abrasions, contributing to a longer tread life.
  • Aggressive Traction: High-void tread with built-in stone ejectors and mud-release dimples promotes self-cleaning for consistent traction in challenging conditions.
  • Enhanced Off-Road: Unique "3-2" tread blocks at the center provide enhanced off-road traction while maintaining good road manners.
  • Lateral Grip: Alternating shoulder lugs boost lateral grip, ensuring consistent performance in tough off-road environments.
  • Durable Sidewall: Armor-Tek 3 technology incorporates a third ply at a different angle for a robust and durable sidewall.
  • Protective Design: Stone ejectors in the tread grooves protect the tire casing from potential damage.
  • Specific Dimensions: This light truck tire has a size of LT305/55R20 and a load range of F.
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Current price is $501.99
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Customer ratings & reviews

4.5 out of 5 stars
stars638 ratings583 reviews
How item rating is calculated
  1. 5 stars76% (484)
  2. 4 stars11% (67)
  3. 3 stars5% (30)
  4. 2 stars3% (20)
  5. 1 star6% (37)

Reviews summary

Pros

  • : Tires have a mean and rugged design.
  • : Provides reliable grip in muddy conditions.
  • : Handles various terrain types with good traction and stability.
  • : Provides reliable grip on various road surfaces.
  • : Offers similar quality at a lower cost.

Neutral

  • : Can be minimal, but also increases with speed or wear.
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Showing 1-3 of 583 reviews

Jan 12, 2025
Michael
Sold byUnited Tires
5 out of 5 stars review

Verified Purchase

Great customer service. Tire Company shipped on time. Delivery service was horrible. Received 3 tires within 4 days. Last tire showed up 3 days after first 3. The tire shop was excellent but fed ex delivery didn't deliver all 4 tires at the same time.

Helpful?13f1c340-d40d-11f0-ac61-41720b250fb9950315214
Mar 16, 2026
stacy
Sold and shipped byGE Tires Online
5 out of 5 stars review

Verified Purchase

These tires bite well in off road conditions and ride fairly well on the highway. They are a little noisy on the pavement, but that is expected for such aggressive tread lugs. I would definitely buy these tires again for my GMC Duramax 2500HD.

Helpful?13f1c340-d40d-11f0-ac61-41720b250fb9950315214
Jan 29, 2021
David
5 out of 5 stars review

Verified Purchase

Best tires ive ever bought

Had these on for about 500 miles or so. Had more road noise than I was expecting after reading reviews but I like the low whirling noise as a matter of fact I have 2 special needs girls and 1 especially doesn't do well on car rides. After putting these tires on she hasn't had any issues. I think the noise is calming to her. These have amazing grip on road and off. My driveway is at a 45 degree angle as well as my front yard. Also my yard holds water and stays muddy. I drove up my yard to the road with no slippage whatsoever. Before when taking curves you would hear the tires squeal with other tires but with these you can take the corners as hard as you want and they stay planted. So far without a doubt the best tires ive ever bought.

Helpful?13f1c340-d40d-11f0-ac61-41720b250fb9950315214