--- product_id: 36181736 title: "Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire" brand: "cooper" price: "R40720" currency: ZAR in_stock: true category: "Cooper" url: https://www.desertcart.co.za/products/36181736-cooper-discoverer-s-t-maxx-all-season-lt285-75r17-121 store_origin: ZA region: South Africa --- # 10-ply Armor-Tek3 durability Stone ejector ribs prevent retention All-season, on/off-road traction Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire **Brand:** cooper **Price:** R40720 **Availability:** ✅ In Stock ## Summary > 🛞 Conquer Every Mile with Maxx Toughness & All-Season Mastery! ## Quick Answers - **What is this?** Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire by cooper - **How much does it cost?** R40720 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/36181736-cooper-discoverer-s-t-maxx-all-season-lt285-75r17-121) ## 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 - • **Quiet Power:** Hybrid 4-5 rib tread design ensures low noise and smooth stability on-road without sacrificing off-road grit. - • **Stone-Free Journey:** Innovative stone ejector ribs actively repel debris, reducing punctures and extending tread life. - • **All-Season Confidence:** Engineered for year-round performance with superior grip on highways, gravel, rocks, and mud—never compromise your drive. - • **Heavy-Duty Load Ready:** Supports up to 3,195 lbs with an 80 psi max pressure rating—built for high-torque trucks demanding reliability. - • **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 LT285/75R17 121/118Q is a 10-ply radial tire designed for light trucks and high-torque vehicles. Featuring Armor-Tek3 construction and a cut-and-chip resistant tread compound, it delivers exceptional durability and traction across all seasons and terrains. Its stone ejector ribs and hybrid tread design provide enhanced debris resistance, on-road stability, and low noise, making it a top choice for professionals who demand rugged performance without compromise. ## Description When the going gets tough, you need a tire equipped to handle rough terrain. The Cooper Discoverer S/T Maxx All-Season LT285/75R17 121Q 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01LWN5O71 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #155,157 in Automotive ( See Top 100 in Automotive ) #138 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 319 Reviews | | Global Trade Identification Number | 00029142850496, 00291428504960 | | Included Components | Tire Only | | Item Diameter | 34.06 inches | | Item Dimensions | 33.83 x 33.83 x 11.22 inches | | Item Highlight | Light Truck All Terrain All Season Traction 121/118Q Rated E (10 Ply) Radial Construction Black Sidewall Tire | | Item Type Name | Tire | | Item Weight | 63.9 pounds | | Load Capacity | 3195 pounds | | Load Index | 118 | | Load Range | E | | Manufacturer | Cooper | | Manufacturer Part Number | 170090004 | | Manufacturer Warranty Description | Standard Limited Warranty | | Maximum Pressure | 80 psi | | Model Number | 170090004 | | OEM Equivalent Part Number | 170090004 | | Ply | 10-Ply | | Rim Size | 17 inches | | Seasons | Year Round | | Section Width | 28.5 centimeters | | Size | LT285/75R17 121/118Q | | Speed Rating | Q | | Tire Aspect Ratio | 75 | | Tire Diameter | 34.06 | | Tread Depth | 18.5 thirty_seconds_inches | | Tread Type | Non-Directional | | UPC | 029142850496 291428504960 | | Unit Count | 1 Count | | Vehicle Tire ISO Metric Size Description | 285/75R17 | ## Product Details - **Brand:** Cooper - **Load Capacity:** 3195 pounds - **Load Index:** 118 - **Rim Size:** 17 inches - **Section Width:** 28.5 centimeters - **Size:** LT285/75R17 121/118Q - **Speed Rating:** Q - **Tire Aspect Ratio:** 75 - **Tread Depth:** 18.5 thirty_seconds_inches - **Tread Type:** Non-Directional ## Images ![Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire - Image 1](https://m.media-amazon.com/images/I/61sghwFM17L.jpg) ![Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire - Image 2](https://m.media-amazon.com/images/I/812jwyQoewL.jpg) ![Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire - Image 3](https://m.media-amazon.com/images/I/81kkhUwsgYL.jpg) ![Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire - Image 4](https://m.media-amazon.com/images/I/91Sn4UJO6LL.jpg) ![Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q Tire - Image 5](https://m.media-amazon.com/images/I/61QbiECy1sL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Cooper Discoverer S/T Maxx All-Season LT285/75R17 121/118Q 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/36181736-cooper-discoverer-s-t-maxx-all-season-lt285-75r17-121](https://www.desertcart.co.za/products/36181736-cooper-discoverer-s-t-maxx-all-season-lt285-75r17-121) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-10*