New Clutch Alignment Tool Fits Case-IH Tractor Models MTA 400 450 560 660 +One New Aftermarket Replacement Clutch Alignment Tool that Fits International Harvester Tractor Models Super MTA (diesel), Super MTA, 400, 450, 560, 660, 706, 756, 766, 786, 806, 826, 856, 886, 966, 986, 1066, 1086, 1206, 1256, 1456, 1466, 1468, 1486, 2706, 2756, 2806, 2826, 2856, 3088, 3288, 3688, 4100, 4156, 4166, 4186, 21206, 21256, 21456. Pilot: 0. 787" diameter small spline: 1 3 16" 11 spline large spline: 1 3 4" 17 spline Replaces Part Number