---
product_id: 248694232
title: "Discoverer S/T Maxx All-Season LT275/65R20 126/123Q Tire"
brand: "cooper"
price: "A$1624"
currency: AUD
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.au/products/248694232-discoverer-s-t-maxx-all-season-lt275-65r20-126-123q
store_origin: AU
region: Australia
---

# 10-ply Armor Tek3 durability Stone ejector ribs prevent retention All-season traction & stability Discoverer S/T Maxx All-Season LT275/65R20 126/123Q Tire

**Brand:** cooper
**Price:** A$1624
**Availability:** ✅ In Stock

## Summary

> 🛞 Conquer Every Mile with Maxx Toughness and Unrivaled Traction!

## Quick Answers

- **What is this?** Discoverer S/T Maxx All-Season LT275/65R20 126/123Q Tire by cooper
- **How much does it cost?** A$1624 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/248694232-discoverer-s-t-maxx-all-season-lt275-65r20-126-123q)

## 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

- • **Stone-Free Drive:** Innovative stone ejector ribs actively prevent debris retention, protecting your tire and enhancing longevity.
- • **Quiet, Stable Ride:** Hybrid 4-5 rib tread design balances aggressive off-road traction with smooth, low-noise highway performance.
- • **Year-Round Confidence:** Engineered for all-season performance, ensuring reliable grip on wet, dry, or rugged terrain without compromise.
- • **Cut & Chip Resistant Compound:** Proprietary tread compound resists damage from harsh off-road conditions, keeping you moving forward.
- • **Maxx Toughness, Maxx Traction:** 10-ply Armor Tek3 construction delivers unmatched sidewall and tread strength for commercial-grade durability.

## Overview

The Cooper Discoverer S/T Maxx LT275/65R20 is a 10-ply, all-season commercial tire designed for light trucks and high-torque vehicles. Featuring Armor Tek3 construction, cut and chip resistant tread compound, and stone ejector ribs, it delivers exceptional durability and traction on both rugged off-road terrain and highways. With a 19/32 tread depth and a max load capacity of 3750 lbs, this tire ensures long-lasting performance and stability year-round.

## Description

When the going gets tough, you need a tire equipped to handle rough terrain. The Cooper Discoverer S/T Maxx All-Season LT275/65R20 126Q Tire provides, long, even wear when you’re on the highway and excellent performance during all seasons, on or off road. The Cooper Discoverer S/T Maxx features Cooper’s proven and reliable 3-ply Armor-Tek3 carcass construction combined with a proprietary cut and chip resistant tread compound. With that combination along with its modern hybrid 4-5 rib tread design and unique tread features, the S/T Maxx is destined to be a commercial grade traction tire that will perform in the toughest terrains while retaining remarkable on-road traction, stability and low noise characteristics. The Discoverer S/T Maxx is designed for commercial light truck and high-powered torque vehicles. Cooper's proven, class-leading 3-ply Armor-Tek3 construction contributes to the durability of the S/T Maxx by adding strength to the sidewall and tread area. A unique angled ply construction absorbs and helps dissipate tire impact forces that can damage a tire in harsh off-road conditions. Stone ejector ribs help discharge debris and resist stone retention. The Cooper Discoverer S/T Maxx is Maxx Toughness, Maxx Traction... No Compromises!

## Features

- All-Season Commercial Traction Tire
- Designed for tough terrain, including rocks and gravel, with on-road stability and performance
- Tread design helps to prevent stone retention
- Armor Tek3 construction for added tire durability
- Cut and chip resistant tread compound/composition
- Tires are studdable
- Standard Limited Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Cooper |
| Seasons | Year Round |
| Size | LT275/65R20 126/123Q |
| Section Width | 275 Millimeters |
| Load Capacity | 3750 Pounds |
| Tread Depth | 19 32nds |
| Tread Type | Non-Directional |
| Maximum Pressure | 80 Pound per Square Inch |
| Ply Rating | 10-Ply |
| Rim Width | 8 Inches |
| Tire Diameter | 34.17 inches |
| Item Diameter | 34.2 Inches |
| Item Weight | 61.8 Pounds |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 781787876131 291428028534 |
| Vehicle Tire ISO Metric Size Description | 275/65R20 |
| Construction Type | Radial |
| Manufacturer | Cooper Tire & Rubber Co. |
| Model | DISCOVERER S/T MAXX |
| Item Weight | 61.8 pounds |
| Item model number | 170080004 |
| Is Discontinued By Manufacturer | Yes |
| Manufacturer Part Number | 170080004 |
| Special Features | run_flat, tread_wear_indicator |

## Product Details

- **Brand:** Cooper
- **Seasons:** Year Round
- **Size:** LT275/65R20 126/123Q
- **Section Width:** 275 Millimeters
- **Load Capacity:** 3750 Pounds
- **Tread Depth:** 19 32nds
- **Tread Type:** Non-Directional
- **Maximum Pressure:** 80 Pound per Square Inch
- **Ply Rating:** 10-Ply
- **Rim Width:** 8 Inches

## Images

![Discoverer S/T Maxx All-Season LT275/65R20 126/123Q Tire - Image 1](https://m.media-amazon.com/images/I/811U+XVXhOL.jpg)

## Available Options

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

## Questions & Answers

**Q: are these E rated 10 ply tires?**
A: Cooper Discoverer S/T MAXX Radial Tire - 255/85R16 123Q - B00MXNLQEG. The load range is E (10 Ply). 
If you have any additional questions, please feel free contact to us.
Thank you for choosing Wheels Depot

**Q: La llanta viene con todo y ring ho solo es la llanta**
A: Hi! This listing is for the tire only. The rim is not included. We hope that helps!

**Q: What is the load range.  The web site for discover tire says it is a range E**
A: Yes, they are a load range E tire.

**Q: Is the price for the set?**
A: The prices are for a single tire. You will find different prices as different third-party sellers in Amazon get them from different distributors and they have different tiers in pricing from manufacture or distributor. Thus the price range difference. Hope the information helps you make a better decision. We are always here to help, give us a call 502GETTIRE or message us. we are more than glad to work with your budget and need.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great tire
*by A***N on May 25, 2025*

Have these tires on my 2020 3500 Denali dually, great ride quality and very minimal road noise. Have around 55,000 miles (mostly towing a 40' flatbed gooseneck) on them now and they are about 30% tread. Will be buying the same tires again!

### ⭐⭐⭐⭐⭐ great performance tire
*by A***R on June 6, 2025*

great tire - good value long life-look great - delivered on time

### ⭐⭐⭐⭐⭐ Great purchase!
*by O***1 on May 5, 2025*

Very happy. Fast shipping. We've bought 2 fulls sets complete with spares. Will buy again.

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- Cooper Discoverer S/T Maxx All-Season LT275/65R20 126/123Q Tire
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**Shop now:** [https://www.desertcart.com.au/products/248694232-discoverer-s-t-maxx-all-season-lt275-65r20-126-123q](https://www.desertcart.com.au/products/248694232-discoverer-s-t-maxx-all-season-lt275-65r20-126-123q)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-12*