TN 103058 8" Drive Wheel for Tennant Walk Behind Floor Scrubbers. This 8" diameter drive wheel is the treaded wheel that is usually chain driven and propels the machine forward or in reverse. 6 bolt holes accept sprocket mounting hardware. Fits Tennant 5540, 5560 scrubbers. Also Fits Nobles 2700, 2701, 3300, 3301 floor scrubbers. One required per unit. Priced Each. Replaces Tennant 103058. Our Part Number TN 103058