215/75R17.5 Michelin XTA Commercial Truck Tire (18 Ply) SOLD AS EACH Manufacturer: Michelin Tire Manufacturers Part Number: 82636 Load Rating: 18 Ply Loaded Radius: 14.1 Inches Overall Diameter: 30.7 Inches Overall Width: 8.7 Inches Approved Rims: 6.00, 6.75 Minimum Dual Spacing: 9.4 RPM: 679 Tread Depth: 15 (32nds) Max Speed: 62 MPH Max Load (Single): 4805 lbs at 120 psi Max Load (Dual): 4540 lbs at 120 psi Tire Weight: 58.4 lbs