---
product_id: 22968196
title: "Discoverer STT Pro All-Season LT285/65R18 125/122Q Tire"
brand: "cooper"
price: "5497.75 DT"
currency: TND
in_stock: true
category: "Cooper"
url: https://www.desertcart.tn/products/22968196-discoverer-stt-pro-all-season-lt285-65r18-125-122q-tire
store_origin: TN
region: Tunisia
---

# 32.91-inch diameter for rugged terrain All-season traction with mud & rock grip Armor Tek3 sidewall durability tech Discoverer STT Pro All-Season LT285/65R18 125/122Q Tire

**Brand:** cooper
**Price:** 5497.75 DT
**Availability:** ✅ In Stock

## Summary

> 🛞 Elevate your off-road game with unstoppable traction and rock-solid durability!

## Quick Answers

- **What is this?** Discoverer STT Pro All-Season LT285/65R18 125/122Q Tire by cooper
- **How much does it cost?** 5497.75 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/22968196-discoverer-stt-pro-all-season-lt285-65r18-125-122q-tire)

## Best For

- cooper enthusiasts

## Why This Product

- Trusted cooper brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Season Versatility:** Year-round performance that balances aggressive off-road grip with smooth on-road traction.
- • **Unmatched Off-Road Dominance:** Conquer rocks, mud, and dirt with specialized tread tech like Mud Slingers 2.0 and Rock Climber Sidewalls.
- • **Heavy-Duty 10-Ply Construction:** Built to support up to 3,640 lbs load capacity, perfect for light trucks and SUVs demanding strength.
- • **Armor Tek3 Reinforced Sidewalls:** Experience next-level durability that resists punctures and abrasions on the toughest trails.
- • **Precision Engineered Tread Depth:** 19/32 inch deep tread designed to self-clean and maintain grip in mud, sand, and rocky terrain.

## Overview

The Cooper Discoverer STT Pro LT285/65R18 125/122Q is a premium all-season, off-road tire engineered with Armor Tek3 technology and aggressive tread patterns. It offers exceptional durability and traction for light trucks and SUVs, supporting heavy loads with a 10-ply radial construction. Designed to excel in mud, rocks, and rough terrain while maintaining reliable on-road performance, this tire is a top choice for extreme off-road enthusiasts seeking year-round capability.

## Description

The Cooper Discoverer STT Pro All-Season LT285/65R18 125Q Tire is the most extreme all-season, off-road tire Cooper offers to date, providing remarkable off-road performance without sacrificing on-road traction. The Discoverer STT Pro tire delivers best-in-class off-road performance, empowering the extreme off-roader to take on the toughest challenges. Patented Armor Tek3 tire technology adds strength to the tire sidewall, providing increased resistance to damage while driving over boulders and uneven, tough terrain. The Discoverer STT Pro comes with rubber formulated to combat shredding and damage from stones and off-road obstacles. The ROCK CLIMBER SIDEWALL gets max traction to help conquer even the toughest obstacles with deep ‘Climber Cleats’ and Flex Grooves built into the side of the tire that grip jagged rocks and power through thick mud. The MUD SLINGERS 2.0 are deep, wide trenches with additional notches throughout the tread combine to give you more grip to power through and help continuously clear thick mud from the tire. The EARTH DIGGERS can tackle tricky terrain with large blocks with alternating mud scoops that forcefully dig into loose dirt, sand or sticky mud. The STONE ARMOR TECHNOLOGY provides the ultimate durability with channels, ridges, and edges designed to help defend against sharp rocks and debris while expelling lodged stones.

## Features

- All-Season Off-Road Traction Tire
- The most extreme all-season, off-road tire Cooper offers to date
- Provides remarkable off-road performance without sacrificing on-road traction
- Tread design helps to prevent stone retention
- Armor Tek3 construction for added tire durability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B017XTULAO |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #175,973 in Automotive ( See Top 100 in Automotive ) #227 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand | Cooper |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.6 out of 5 stars 162 Reviews |
| Global Trade Identification Number | 00029142829638, 00291428296384 |
| Included Components | Tire Only |
| Item Diameter | 32.91 inches |
| Item Dimensions | 32.91 x 32.91 x 11.8 inches |
| Item Highlight | Light Truck Mud Terrain All Season Traction 125/122Q Rated E (10 Ply) Radial Construction Raised White Letters Tire |
| Item Type Name | Tire |
| Item Weight | 57 pounds |
| Load Capacity | 3640 pounds |
| Load Index | 125 |
| Load Range | E |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170118034 |
| Manufacturer Warranty Description | Standard Limited Warranty |
| Maximum Pressure | 80 psi |
| Model Number | 170118034 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | COOP-90000023656 |
| Ply | 10-Ply |
| Rim Size | 18 inches |
| Seasons | Year Round |
| Section Width | 28.5 centimeters |
| Size | LT285/65R18 125/122Q |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 65 |
| Tire Diameter | 32.91 |
| Tread Depth | 19 thirty_seconds_inches |
| Tread Type | Non-Directional |
| UPC | 291428296384 029142829638 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 285/65R18 |

## Product Details

- **Brand:** Cooper
- **Load Capacity:** 3640 pounds
- **Load Index:** 125
- **Rim Size:** 18 inches
- **Section Width:** 28.5 centimeters
- **Size:** LT285/65R18 125/122Q
- **Speed Rating:** Q
- **Tire Aspect Ratio:** 65
- **Tread Depth:** 19 thirty_seconds_inches
- **Tread Type:** Non-Directional

## Images

![Discoverer STT Pro All-Season LT285/65R18 125/122Q Tire - Image 1](https://m.media-amazon.com/images/I/81yAZbtaAIL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Do these have white letters?**
A: This is going to be an all black sidewall. Thanks!

**Q: are these 10 ply tires?**
A: Listing states 10 ply

**Q: How badly will my MPGs drop with these tires?**
A: I lost almost 20%.  That being said... They are awesome tires.

**Q: Will these fit on a 15x8 wheel?**
A: Hello, 
These will not fit a 15x8 wheel.  This tire fits a15x8.5" to 15x11" wheel. 
Thanks,

## Frequently Bought Together

- Cooper Discoverer STT Pro All-Season LT285/65R18 125/122Q Tire
- CKAuto 25 Pieces TR416 Metal Valve Stems Outer Mount Fits .453" & .625" Rim Holes Long 1 1/2", Silver
- GAsupply Black Lug Nuts, 1/2-20 Closed End Bulge Acorn Lug Nuts 3/4 inch 19mm Hex 1.38 inch Tall 60 Degree Conical Seat

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**Shop now:** [https://www.desertcart.tn/products/22968196-discoverer-stt-pro-all-season-lt285-65r18-125-122q-tire](https://www.desertcart.tn/products/22968196-discoverer-stt-pro-all-season-lt285-65r18-125-122q-tire)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-06*