Cooper 170085004 Discoverer ST Maxx LT295/70R17 Tire 121/118Q E-Rated

The Cooper Discoverer ST Maxx is a commercial-grade mud terrain tire engineered to deliver exceptional performance in the toughest off-road conditions while maintaining excellent on-road manners. This tire size measures 33.3 inches in overall diameter with a 12-inch section width, making it ideal for light trucks, SUVs, and commercial vehicles.

Armor-Tek3 Construction:

• Proven 3-ply carcass construction provides superior sidewall and tread durability
• Unique angled ply design absorbs and dissipates impact forces from harsh off-road conditions
• Cut and chip-resistant proprietary tread compound extends tire life

Advanced Tread Design:

• Modern hybrid 4-5 rib tread pattern arranged in Y-shaped configuration for even wear
• Dual-draft and non-parallel groove walls reduce stone retention and resist cutting
• Stone ejector ribs actively discharge debris to prevent stone drilling
• Deep 18.5/32-inch tread depth for extended treadwear
• Optimized tread block placement minimizes road noise for a quieter ride

All-Season Performance:

• Silica-enhanced tread compound maintains flexibility in cold temperatures
• Wide circumferential grooves evacuate water and slush to resist hydroplaning
• Aggressive tread elements provide confident traction in dry, wet, snow, and muddy conditions
• M+S rated for mud and snow capability
• Studable design for enhanced winter traction when needed

Load and Performance Ratings:

• Load Range E (10-ply rated) for heavy-duty applications
• 121/118Q load index supports up to 3,195 lbs per tire (single) and 2,910 lbs (dual)
• Maximum air pressure of 80 PSI
• Recommended rim width: 7.5-10 inches

Whether navigating rocky trails, muddy job sites, or daily highway driving, the Cooper Discoverer ST Maxx delivers uncompromising toughness without sacrificing ride quality or on-road stability. This tire represents maximum toughness and maximum traction with no compromises.