Brand: Sailun Model: S637 Size: 235-75R17.5 235/75-17.5 235/75R17.5 235/75/17.5 235-75-17.5 235 75 17.5 2357517.5 Tread Depth: 17/32 Treadlife: N/A Season: All Season Performance: Highway Car Type: Commercial Load and Speed Rating: 143/141L Speed Rating Description: Speed Rated Up to 75 mph Section Width: 235 Aspect Ratio: 75 Rim Diameter: 17.5 Production Year (DOT): N/A