---
product_id: 46887766
title: "Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire"
brand: "cooper"
price: "€ 3118.49"
currency: EUR
in_stock: true
category: "Cooper"
url: https://www.desertcart.hr/products/46887766-cooper-discoverer-stt-pro-all-season-38x13-50r20lt-123q-tire
store_origin: HR
region: Croatia
---

# 38-inch diameter for commanding presence All-season tread for year-round traction Armor Tek3 sidewall tech for ultimate durability Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire

**Brand:** cooper
**Price:** € 3118.49
**Availability:** ✅ In Stock

## Summary

> 🛞 Rule Every Road & Rock with Confidence!

## Quick Answers

- **What is this?** Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire by cooper
- **How much does it cost?** € 3118.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/46887766-cooper-discoverer-stt-pro-all-season-38x13-50r20lt-123q-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:** Optimized tread design delivers confident traction rain or shine, on-road or off.
- • **Stone Armor Technology:** Innovative channels and ridges expel lodged stones, preventing tread damage and maintaining performance.
- • **Heavy-Duty Load Capacity:** Supports up to 3,415 lbs with an 8-ply radial construction built for serious hauling.
- • **Unmatched Off-Road Dominance:** Conquer rugged terrain with deep Climber Cleats and Mud Slingers 2.0 for relentless grip.
- • **Armor Tek3 Sidewall Protection:** Engineered to resist punctures and damage from rocks and debris, keeping you unstoppable.

## Overview

The Cooper Discoverer STT Pro 38X13.50R20LT is a premium all-season, off-road tire designed for extreme performance and durability. Featuring patented Armor Tek3 sidewall technology, deep tread cleats, and Stone Armor channels, it delivers superior traction on mud, rocks, and loose terrain while maintaining reliable on-road handling. With an 8-ply radial build and a 3,415 lb load capacity, this tire is engineered for serious off-road enthusiasts who demand toughness and versatility year-round.

## Description

The Cooper Discoverer STT Pro All-Season 38X13.50R20LT D 123Q 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 | B06XK4NR2Q |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #278,817 in Automotive ( See Top 100 in Automotive ) #354 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.5 4.5 out of 5 stars (250) |
| Global Trade Identification Number | 00029142871422 |
| Included Components | Tire Only |
| Item Diameter | 38.19 inches |
| Item Dimensions | 38.19 x 38.19 x 13.6 inches |
| Item Type Name | Tire |
| Item Weight | 84 pounds |
| Load Capacity | 3415 pounds |
| Load Index | 123 |
| Load Range | D |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170143006 |
| Manufacturer Warranty Description | Standard Limited Warranty |
| Model Number | 170143006 |
| OEM Equivalent Part Number | COOP-90000027704 |
| Ply | 8-Ply |
| Rim Size | 20 inches |
| Seasons | Year Round |
| Section Width | 13.5 inches |
| Size | 38X13.50R20LT 123Q |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 13.5 |
| Tire Diameter | 38 inches |
| Tread Depth | 21 thirty_seconds_inches |
| Tread Type | Non-Directional |
| UPC | 029142871422 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 38/13.50R20 |

## Product Details

- **Brand:** Cooper
- **Load Capacity:** 3415 pounds
- **Load Index:** 123
- **Rim Size:** 20 inches
- **Section Width:** 13.5 inches
- **Size:** 38X13.50R20LT 123Q
- **Speed Rating:** Q
- **Tire Aspect Ratio:** 13.5
- **Tread Depth:** 21 thirty_seconds_inches
- **Tread Type:** Non-Directional

## Images

![Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire - Image 1](https://m.media-amazon.com/images/I/81yAZbtaAIL.jpg)
![Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire - Image 2](https://m.media-amazon.com/images/I/81I28TchhBL.jpg)
![Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire - Image 3](https://m.media-amazon.com/images/I/81xvHD9ODOL.jpg)
![Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire - Image 4](https://m.media-amazon.com/images/I/91YhnE1-VBL.jpg)
![Cooper Discoverer STT Pro All-Season 38X13.50R20LT 123Q Tire - Image 5](https://m.media-amazon.com/images/I/51giAMFQoeL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.hr/products/46887766-cooper-discoverer-stt-pro-all-season-38x13-50r20lt-123q-tire](https://www.desertcart.hr/products/46887766-cooper-discoverer-stt-pro-all-season-38x13-50r20lt-123q-tire)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-05*