---
product_id: 20475767
title: "Cooper Discoverer STT Pro All-Season LT295/55R20 123/120Q Tire"
brand: "cooper"
price: "¥299640"
currency: JPY
in_stock: true
category: "Cooper"
url: https://www.desertcart.jp/products/20475767-cooper-discoverer-stt-pro-all-season-lt295-55r20-123-120q
store_origin: JP
region: Japan
---

# 33.07 inch diameter for commanding presence All-season tread conquers mud, rocks & dirt Armor Tek3 sidewall tech for max durability Cooper Discoverer STT Pro All-Season LT295/55R20 123/120Q Tire

**Brand:** cooper
**Price:** ¥299640
**Availability:** ✅ In Stock

## Summary

> 🛞 Rule Every Road & Trail with Confidence!

## Quick Answers

- **What is this?** Cooper Discoverer STT Pro All-Season LT295/55R20 123/120Q Tire by cooper
- **How much does it cost?** ¥299640 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/20475767-cooper-discoverer-stt-pro-all-season-lt295-55r20-123-120q)

## 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

- • **Mud Slingers 2.0 Technology:** Deep, wide trenches and notches continuously clear mud for unstoppable grip.
- • **Unmatched Off-Road Dominance:** Conquer the wildest terrains with best-in-class traction and rugged tread design.
- • **Armor Tek3 Sidewall Protection:** Reinforced sidewalls resist damage from rocks and rough trails, extending tire life.
- • **Heavy-Duty 12-Ply Construction:** Supports up to 3,415 lbs load capacity with a robust radial build for tough drives.
- • **Year-Round All-Season Performance:** Engineered to deliver reliable traction rain or shine, on-road or off.

## Overview

The Cooper Discoverer STT Pro LT295/55R20 is a premium all-season, off-road tire featuring advanced Armor Tek3 sidewall technology and aggressive tread patterns like Mud Slingers 2.0 and Rock Climber Sidewalls. Designed for extreme durability and superior traction, it supports heavy loads up to 3,415 lbs and excels in mud, rocks, and rough terrain without compromising on-road performance.

## Description

The Cooper Discoverer STT Pro All-Season LT295/55R20 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 | B017XTV3TW |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #245,204 in Automotive ( See Top 100 in Automotive ) #273 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 | 00029142829836, 00291428298364 |
| Included Components | Tire Only |
| Item Diameter | 33.07 inches |
| Item Dimensions | 33.07 x 33.07 x 12.3 inches |
| Item Type Name | Tire |
| Item Weight | 57 pounds |
| Load Capacity | 3415 pounds |
| Load Index | 123 |
| Load Range | E |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170135006 |
| Manufacturer Warranty Description | Standard Limited Warranty |
| Maximum Pressure | 80 psi |
| Model Number | 170135006 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | COOP-90000023691 |
| Ply | 12-Ply |
| Rim Size | 20 inches |
| Seasons | Year Round |
| Section Width | 29.5 centimeters |
| Size | LT295/55R20 123/120Q |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 55 |
| Tire Diameter | 33.07 |
| Tread Depth | 20 thirty_seconds_inches |
| Tread Type | Non-Directional |
| UPC | 291428298364 029142829836 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 295/55R20 |

## Product Details

- **Brand:** Cooper
- **Load Capacity:** 3415 pounds
- **Load Index:** 123
- **Rim Size:** 20 inches
- **Section Width:** 29.5 centimeters
- **Size:** LT295/55R20 123/120Q
- **Speed Rating:** Q
- **Tire Aspect Ratio:** 55
- **Tread Depth:** 20 thirty_seconds_inches
- **Tread Type:** Non-Directional

## Images

![Cooper Discoverer STT Pro All-Season LT295/55R20 123/120Q 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 LT295/55R20 123/120Q Tire
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**Shop now:** [https://www.desertcart.jp/products/20475767-cooper-discoverer-stt-pro-all-season-lt295-55r20-123-120q](https://www.desertcart.jp/products/20475767-cooper-discoverer-stt-pro-all-season-lt295-55r20-123-120q)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-27*