This is a A-102-5506 Quick Disconnect Tractor Yoke PN: 102-5506Main Description As Following : A-102-5506 Quick Disconnect Tractor Yoke PN: 102-5506 Found in Section & Models : Driveline > Yokes, Weasler Domestic: 55 Series Associated Items : A-13002006 Also This is An Aftermarket Product And : Yoke rated 121 hp @ 540 rpm, 230 hp @ 1,000 rpm. Safety shields can be cut to length. Original Weasler part. Bore: 1 3/8" - 6 Spl.