This is a A-245946M1 Shaft, Drive PN: 245946M1Main Description As Following : A-245946M1 Shaft, Drive P.N: 245946M1 Dim A (1): 27.312" long Crossed From: AM245946M1 , , AV101495 VAPORMATIC Found in Section & Models : Headers/Platforms/Feeder House > Grain Head Parts, Massey Ferguson HEAD, CUTTING PLATFORM: 1859 (18', 20', 24' Floating Head) Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 27.312" long