Mickey Thompson Baja Boss M/T Tire — 40x13.50R17LT 121Q

The Mickey Thompson Baja Boss M/T in 40x13.50R17LT 121Q is an extreme mud‑terrain tire engineered for hardcore off‑roaders who demand maximum traction, durability, and control in the harshest terrain. This is one of Mickey Thompson’s most aggressive M/T designs — built for rigs that live in mud, rocks, ruts, and deep backcountry terrain where lesser tires fail.

Its massive asymmetric mud‑terrain tread features huge self‑cleaning voids, deep biting edges, and angled shoulder blocks that deliver relentless traction in extreme conditions. The PowerPly XD 3‑ply sidewall provides exceptional puncture resistance and stability, especially important for rigs running true 40” tires. The silica‑enhanced compound improves wet‑weather grip and tread life, while the optimized tread geometry helps maintain surprising stability and control on pavement.

If your build needs a true 40” mud‑terrain with competition‑grade bite and maximum durability, the Baja Boss M/T is built to get you through — and back out again.

Why Drivers Choose the Baja Boss M/T

• Extreme mud‑terrain traction with massive voids and aggressive lugs
• PowerPly XD 3‑ply sidewalls for maximum puncture resistance
• Silica‑enhanced compound for improved wet grip and tread longevity
• Asymmetric tread design for enhanced stability and steering control
• Ideal for 17” wheels on lifted, high‑clearance off‑road builds
• Perfect for rock crawlers, mud rigs, and extreme trail setups

Additional Details

• Size: 40x13.50R17LT
• Load Index: 121
• Speed Rating: Q
• Terrain Type: Mud‑Terrain
• Sidewall: Black Sidewall
• Construction: Radial
• Sidewall Plies: 3‑ply PowerPly XD
• Brand: Mickey Thompson