Nylon/steel with 40mm bearing.
Replacement Tire: 864-SMA541050
Used on JD 750, 1560, 1590, 1690, 1850, 1860, 1890, 1895, 1990, Great Plains, Kinze, and CIH 1200 Series Planter and 500/500T Series Air Drill.
Replaces JD AA66988, AA56719, Kinze GA8877, CIH 87673693.
