This is a A-1MA1571A Shaft, PTO, 12 Spline PN: 1MA1571AMain Description As Following : A-1MA1571A Shaft, PTO, 12 Spline P.N: 1MA1571A Dim A (1): 60" Long Crossed From: AM1MA1571A , , 1MA1571N BMD MFG Found in Section & Models : PTO Parts > PTO and Related Parts, White/ Oliver/ Mpl Moline TRACTOR: SUPER 77, White/ Oliver/ Mpl Moline TRACTOR: 77 Associated Items : New Also A-FRM-IHOL, A-OL-O-SUP7788, A-OL-P-SUP7777, A-OL-S-3VOLUME, A-SMO201, A-FRM-IHOL, A-OL-O-77, A-OL-P-SUP7777, A-OL-P-77, A-OL-S-HYDR-LEC, A-OL-S-3VOLUME, A-OL-S-667788, A-SMO201 And : Dim A (1): 60" Long