PTO friction disc with internal splines for independent PTO on 4000; (1968 to 1975); 4100, 4600; (1975 to 1981)

PTO friction disc with internal splines for independent PTO for 4110, 4600; (1981 & up)

PTO friction disc with internal splines for two speed tractors 5000, 7000; Single & 2-speed tractors 5600, 5700, 6600, 6700, 7600

PTO friction disc with internal splines for single speed 5000, 7000; Dual-power 5000, 7000; 5600, 5700, 6600, 6700, 7600, 7700; Single & 2-speed 5610, 6610, 6710, 7610, 7710; 8000, 9000