SMA Products Series 6 Metric QD Yoke 6 SPL - 971-1028606
Series 6 Quick Disconnect Tractor Yoke - 1 3/8" x 6 spline
Fits the following models:
Kuhn Disc Mower: GMD16, GMD16HD, GMD20, GMD20HD, GMD2810, GMD400, GMD400HD, GMD44, GMD500, GMD500HD, GMD55 SELECT, GMD55S, GMD600, GMD602F, GMD602GII, GMD66, GMD66 SELECT, GMD66HD, GMD700, GMD700F, GMD702F, GMD702GII, GMD802F
Kuhn Mower Conditioner: FC280F, FC283DGII, FC283GII, FC313F, FC313RF
Interchangeable with the following models:

WYQ6-22-1-138
102-8606
86012
WYQ6221138
ABP507060351A
658-86012
S6058
4621006
BYQ6221138
343-1116
65886012
BYQ6-22-1-138
S.6058
64660
4B61006
221000

This is an Aftermarket part, Not O.E.M.