Description Weasler Forged 12 Series Tractor Yoke Component - 1 3/8", 6 spline Quick Disconnect. This item is a suitable alternative for the following: 971-1021206, Y550211, Y55-0211, A1021206, A-102-1206, 9601706, 45557, 340-1205, 149147, 12N22020, 12N220-20, 102-1206, 1021206