---
product_id: 610081152
title: "Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire"
brand: "cooper"
price: "4363.38 DT"
currency: TND
in_stock: false
url: https://www.desertcart.tn/products/610081152-cooper-discoverer-stt-pro-all-season-31x10-50r15lt-109q-tire
store_origin: TN
region: Tunisia
---

# 31-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 31X10.50R15LT 109Q Tire

**Brand:** cooper
**Price:** 4363.38 DT
**Availability:** ❌ Out of Stock

## Summary

> 🛞 Elevate your off-road game with unstoppable all-season toughness!

## Quick Answers

- **What is this?** Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire by cooper
- **How much does it cost?** 4363.38 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/610081152-cooper-discoverer-stt-pro-all-season-31x10-50r15lt-109q-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:** Engineered to deliver superior traction on wet, dry, muddy, or snowy roads without compromise.
- • **Stone Armor Technology:** Innovative tread channels expel stones and debris, keeping your ride smooth and damage-free.
- • **Heavy-Duty Load Capacity:** 10-ply, 109 load index supports over 1,000 kg—built for serious off-roaders and heavy loads.
- • **Unmatched Off-Road Dominance:** Conquer rugged terrain with deep Climber Cleats and Mud Slingers 2.0 for relentless grip.
- • **Armor Tek3 Sidewall Protection:** Reinforced radial construction resists punctures and sidewall damage on the toughest trails.

## Overview

The Cooper Discoverer STT Pro 31X10.50R15LT 109Q is a premium all-season off-road tire featuring Armor Tek3 sidewall technology, aggressive tread design with Climber Cleats and Mud Slingers 2.0, and Stone Armor channels for superior durability and traction. Rated for heavy loads with a 10-ply construction and 109 load index, it delivers exceptional performance on rugged terrain without sacrificing on-road handling.

## Description

The Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q 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
- The shoulder of the tire was designed with soft surface cleats and mud scoops
- Standard Limited Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B014HH7B9E |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.6 4.6 out of 5 stars (690) |
| Global Trade Identification Number | 00029142829454, 00291428294540 |
| Included Components | Tire Only |
| Item Diameter | 30.8 Inches |
| Item Dimensions | 78.1 x 78.1 x 27.2 centimeters |
| Item Highlight | Light Truck Mud Terrain All Season Traction 109Q Rated C (6 Ply) Radial Construction Raised White Letters Tire |
| Item Type Name | Tire |
| Item Weight | 46.11 Pounds |
| Load Capacity | 1029.66 kg |
| Load Index | 109 |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170110034 |
| Maximum Pressure | 50 Pound per Square Inch |
| Model Number | 170110034 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | COOP-90000023638 |
| Ply | 10-Ply |
| Rim Size | 15 Inches |
| Seasons | Year Round |
| Section Width | 10.5 Inches |
| Size | 31X10.50R15LT 109Q |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 10.5 |
| Tire Diameter | 31 |
| Tread Depth | 20 32nds |
| Tread Type | Asymmetrical |
| UPC | 826825966358 291428294540 029142829454 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 31/10.50R15 |

## Product Details

- **Brand:** Cooper
- **Rim size:** 15 Inches
- **Section width:** 10.5 Inches
- **Size:** 31X10.50R15LT 109Q
- **Tyre aspect ratio:** 10.5

## Images

![Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q 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,

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- Cooper Discoverer STT Pro All-Season 31X10.50R15LT 109Q Tire
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**Shop now:** [https://www.desertcart.tn/products/610081152-cooper-discoverer-stt-pro-all-season-31x10-50r15lt-109q-tire](https://www.desertcart.tn/products/610081152-cooper-discoverer-stt-pro-all-season-31x10-50r15lt-109q-tire)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-11-02*