This is a A-L616B Input Shaft, Transmission PN: L616BMain Description As Following : A-L616B Input Shaft, Transmission P.N: L616B Dim A (1): 11.99" LongSpline Count: 17 Spline Found in Section & Models : Transmission & Rear Axle > Trans: Forks, Gears, Shafts, White/ Oliver/ Mpl Moline TRACTOR: SUPER 66 (RC SN 7085>; STD. SN 471191; Ind. S, White/ Oliver/ Mpl Moline TRACTOR: 66 (RC SN 7085>; STD. SN 471191; Ind. SN 4621, White/ Oliver/ Mpl Moline TRACTOR: 660 (RC SN 7085>; STD. SN 471191; Ind. SN 462 Associated Items : New Also A-FRM-IHOL, A-OL-O-66SUPER, A-OL-P-66, A-OL-S-3VOLUME, A-SMO201, A-FRM-IHOL, A-OL-O-66, A-OL-P-66, A-OL-S-HYDR-LEC, A-OL-S-3VOLUME, A-OL-S-667788, A-SMO201, A-FRM-IHOL, A-OL-O-660, A-OL-P-66, A-OL-S-3VOLUME, A-SMO201 And : Dim A (1): 11.99" Long Spline Count: 17 Spline