Description Quick Disconnect Tractor Yoke - 1 3/8" x 21 spline This item is a suitable alternative for the following: 971-1026521, 1026521, 102-6521, 343-1104, 658-85021, 65885021, 66957, 85021, A-BP507053751-A, ABP507053751A, BYQ5-00-7-138, BYQ5007138