PTO Shaft (540 RPM) Fits Case/International Harvester Replaces 148663C1One New Aftermarket PTO Shaft (540 RPM) Tech Info: 10. 435" Long 13 Tooth Front Splines Made to Fits Case International Harvester: Tractor Models: HYDRO 100, HYDRO 186, 1026, 1066, 1086, 120, 1206, 1256, 1456, 1466, 1468, 1486, 1566, 1568, 1586, 21026, 21206, 21256, 21456, 300, 3088, 3288, 3388, 3488, 3688, 5088, 5288, 6388, 706, 7110, 7120, 7210, 7220, 7230, 7240, 7250, 756, 766, 786, 806, 826, 856, 885, 886, 8910, 8920, 8930, 8940, 8950, 966, 986