MTD 20X8 Tractor Tire On Hub in the Wheels & Tires department at Lowes.com
WEIZE 20x8.00-8 Lawn Mower Tractor Turf Tire with Rim, 4 Ply Tubeless, Set of 2 709044384687 | eBay
Amazon.com: Set of 2-20x8.00-8 Dark Gray Lawn Mower Turf Tire and Wheel - 3/4 Inch Axle, 2.90 Inch Hub, Compatible with Part 490-327-0002 : Patio, Lawn & Garden