Brand: Arroyo Model: Tamarock R/T Size: 285-55R20 285/55-20 285/55R20 285/55/20 285-55-20 285 55 20 2855520 Tread Depth: 13/32 Treadlife: N/A Season: All Weather Performance: Rugged Terrain Car Type: Light Truck Load and Speed Rating: 122/119Q Speed Rating Description: Speed Rated Up to 99 mph Section Width: 285 Aspect Ratio: 55 Rim Diameter: 20 Production Year (DOT): N/A