BFGoodrich 71004 Mud-Terrain T/A KM3 39x13.50R17 121Q Off-Road Tire

The BFGoodrich Mud-Terrain T/A KM3 in size 39x13.50R17 is an extreme off-road tire engineered for serious off-road enthusiasts who demand maximum traction and durability in the toughest conditions. Built on decades of championship-winning desert racing technology, this tire delivers exceptional performance in mud, on rocks, and across challenging terrain while maintaining acceptable on-road manners.

Key Performance Features:

• 5% Better Mud Traction: Terrain-Attack tread design with massive tread blocks delivers incredible grip from any angle of approach, while Mud-Phobic bars release compacted mud for continuous traction in soft soil conditions
• 8% Better Rock Traction: Advanced Krawl-TEK compound enhances grip on rock and slick surfaces, with a Linear Flex Zone that allows the tire to envelop obstacles when aired down
• 27% Tougher Sidewalls: CoreGard Max Technology features race-proven construction with thick sidewall shield and specialized compound to guard against punctures, splitting, and sharp objects
• Traction-Armor Sidewall Sculpture: Aggressive sidewall lugs provide additional biting edges for enhanced traction in soft terrain and when climbing over obstacles

Tire Specifications: This tire features a Load Range C construction with 6-ply rating, providing a maximum load capacity of 3,195 lbs at 45 psi. The overall diameter measures 38.5 inches with a tread depth of 18/32", and it's designed to mount on wheel widths from 9.0 to 11.5 inches. The 121Q service description indicates robust load capacity with a maximum speed rating of 99 mph.

Backed by BFGoodrich's Standard Limited Warranty covering defects in workmanship and materials for the life of the original usable tread or 6 years from purchase date, whichever comes first. This all-season rated tire balances extreme off-road capability with street manners for daily driving to and from the trail.