This is a A-156086A Disc, PTO Clutch, Bonded PN: 156086AMain Description As Following : A-156086A Disc, PTO Clutch, Bonded P.N: 156086A Dim A (1): 7.000" O.D. X 1.000" I.DDim B (2): 12 Spline HubReplaces: KS1656 Replaces: KS1656 WHITE TRACTOR , 156086AV WHITE TRACTOR , Crossed From: 108779 , , 156086N BMD MFG Found in Section & Models : PTO Parts > PTO and Related Parts, White/ Oliver/ Mpl Moline TRACTOR: SUPER 77, White/ Oliver/ Mpl Moline TRACTOR: SUPER 88, White/ Oliver/ Mpl Moline TRACTOR: 1550, White/ Oliver/ Mpl Moline TRACTOR: 1555, White/ Oliver/ Mpl Moline TRACTOR: 1600, White/ Oliver/ Mpl Moline TRACTOR: 1650, White/ Oliver/ Mpl Moline TRACTOR: 1655, White/ Oliver/ Mpl Moline TRACTOR: 2-62 (IND), White/ Oliver/ Mpl Moline TRACTOR: 66, White/ Oliver/ Mpl Moline TRACTOR: 660, White/ Oliver/ Mpl Moline TRACTOR: 77, White/ Oliver/ Mpl Moline TRACTOR: 770, White/ Oliver/ Mpl Moline TRACTOR: 88, White/ Oliver/ Mpl Moline TRACTOR: 880 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-SUP7788, A-OL-P-88S88, A-OL-S-3VOLUME, A-SMO201, A-FRM-OLLATE, A-OL-O-1550, A-OL-P-15501555, A-OL-S-15501555, A-SMO202, A-FRM-OLLATE, A-OL-O-1555, A-OL-P-15501555, A-OL-S-15501555, A-SMO202 And : Dim A (1): 7.000" O.D. X 1.000" I.D Dim B (2): 12 Spline Hub Replaces: KS1656