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.