QuadBoss QBT673 Tires are the most aggressive mud tires in the QuadBoss line of tires. These QBT673 tires greatly feature directional tread for optimal traction. Plus, they have a built-in rim guard that protects wheels from dents and dings. QBT673 are 6-ply rated tires with maximum load capacity of 1,200 lbs. Other feature includes tapered tread for self-cleaning in soft conditions. Check out our selection of QuadBoss QBT673 Tires. Shipping is free.