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Cooper Discoverer Stronghold AT All Terrain All Weather
Starting at prices vary by size!
To verify the correct load rating for your vehicle and view current regional pricing and availability across the Greater Toronto Area, Durham, and York Region, please browse our tire inventory.
The All-Weather Workhorse for Heavy-Duty Performance: Cooper Discoverer Stronghold AT All Terrain All Weather
The Cooper Discoverer Stronghold AT is a next-generation all-terrain tire specifically engineered to handle the massive loads and high-torque demands of heavy-duty trucks and utility vehicles. Certified with the 3-Peak Mountain Snowflake (3PMSF), it is a true all-weather tire built for year-round service. Whether you’re hauling equipment through a GTA construction site or navigating unplowed backroads in the Durham and York Region, the Stronghold AT delivers a significant leap in durability and winter safety compared to traditional highway tires.
Key Performance Features
Specialized Heavy-Duty Compound: A proprietary rubber formulation designed to resist abrasion, cracking, and tearing even under the stress of heavy towing and jagged off-road debris.
Aggressive Sidewall Hook Pattern: Features bold shoulder lugs and a "hook" design that provides extra biting edges for traction in deep mud, loose dirt, and deep snow.
3D-Sipe Technology: Advanced interlocking sipes provide tread block stability for crisp dry handling while maintaining thousands of biting edges for ice and wet-road grip.
Wide-Open Grooves with Stone Ledges: The tread pattern is designed to grab and release soft surfaces (like mud and gravel) while integrated ledges prevent stones from getting stuck and damaging the casing.
Scooped Tread Edges: Strategically designed shoulder edges that "scoop" through snow and muck, ensuring the tire stays unstuck in the most demanding Canadian winter conditions.
Specifications at a Glance
Season: All-Weather (3-Peak Mountain Snowflake Certified)
Tire Type: All-Terrain (AT) / Heavy-Duty
Vehicle Compatibility: 3/4-Ton and 1-Ton Pickups (F-250/350, Ram 2500/3500), HD SUVs, and Cargo Vans
Available Sizes: 16" to 20" wheel diameters (Primarily E-Load/10-Ply rated)
Warranty: Up to 96,000 km (60,000 mile) limited treadwear warranty and a 45-day satisfaction guarantee.
Live Inventory & Pricing
Tire pricing and availability vary based on specific size requirements (width, aspect ratio, and rim diameter). Sparky X provides professional mobile tire installation throughout the Greater Toronto Area, Durham, and York Region—we bring the tire shop to you.
Starting at prices vary by size!
To verify the correct load rating for your vehicle and view current regional pricing and availability across the Greater Toronto Area, Durham, and York Region, please browse our tire inventory.
The All-Weather Workhorse for Heavy-Duty Performance: Cooper Discoverer Stronghold AT All Terrain All Weather
The Cooper Discoverer Stronghold AT is a next-generation all-terrain tire specifically engineered to handle the massive loads and high-torque demands of heavy-duty trucks and utility vehicles. Certified with the 3-Peak Mountain Snowflake (3PMSF), it is a true all-weather tire built for year-round service. Whether you’re hauling equipment through a GTA construction site or navigating unplowed backroads in the Durham and York Region, the Stronghold AT delivers a significant leap in durability and winter safety compared to traditional highway tires.
Key Performance Features
Specialized Heavy-Duty Compound: A proprietary rubber formulation designed to resist abrasion, cracking, and tearing even under the stress of heavy towing and jagged off-road debris.
Aggressive Sidewall Hook Pattern: Features bold shoulder lugs and a "hook" design that provides extra biting edges for traction in deep mud, loose dirt, and deep snow.
3D-Sipe Technology: Advanced interlocking sipes provide tread block stability for crisp dry handling while maintaining thousands of biting edges for ice and wet-road grip.
Wide-Open Grooves with Stone Ledges: The tread pattern is designed to grab and release soft surfaces (like mud and gravel) while integrated ledges prevent stones from getting stuck and damaging the casing.
Scooped Tread Edges: Strategically designed shoulder edges that "scoop" through snow and muck, ensuring the tire stays unstuck in the most demanding Canadian winter conditions.
Specifications at a Glance
Season: All-Weather (3-Peak Mountain Snowflake Certified)
Tire Type: All-Terrain (AT) / Heavy-Duty
Vehicle Compatibility: 3/4-Ton and 1-Ton Pickups (F-250/350, Ram 2500/3500), HD SUVs, and Cargo Vans
Available Sizes: 16" to 20" wheel diameters (Primarily E-Load/10-Ply rated)
Warranty: Up to 96,000 km (60,000 mile) limited treadwear warranty and a 45-day satisfaction guarantee.
Live Inventory & Pricing
Tire pricing and availability vary based on specific size requirements (width, aspect ratio, and rim diameter). Sparky X provides professional mobile tire installation throughout the Greater Toronto Area, Durham, and York Region—we bring the tire shop to you.

