This is a A-W136908 Tractor Yoke, Splined 1 3/8" - 6 Spline w/ QSG Lock PN: W136908Main Description As Following : A-W136908 Tractor Yoke, Splined 1 3/8" - 6 Spline w/ QSG Lock P.N: W136908 Replaces: Walterscheid Part No: 136908Size: 1 3/8" - 6 spline Replaces: A-AW34667 JOHN DEERE Found in Section & Models : Driveline > Driveline Components, Walterscheid PWE SERIES: P580, Walterscheid PWZ SERIES: P580, Driveline > Yokes, Walterscheid PWE SERIES: P580, Walterscheid PWZ SERIES: P580 Associated Items : New Also This is An Aftermarket Product And : Original Walterscheid part. Replaces: Walterscheid Part No: 136908 Size: 1 3/8" - 6 spline