Fuel Tires GRIPPER A/T ALL TERRAIN GRIPPER AT 37X12.50-20 128Q 36.8 128 Speed Rating: Q Section Width: 12.5 Series: Rim Diameter: 20 Tire Diameter: 36.8 Weight: 79.4 Min Width: 8.5 Max Width: 11 Max Load: 3970 Tread Depth: 17 Ply: 12 Construction Type: Max Load Dual: Max Pressure: 80 Approved Rim Width: 10 Utqg: Treadwear: Traction: Tempreture: Mileage Warranty: 50000