This is a A-T30791 Shaft, Clutch PN: T30791Main Description As Following : A-T30791 Shaft, Clutch P.N: T30791 Dim A (1): 15 / 16 SplineDim B (2): 23.125" Long Crosses To: A-T30791 JOHN DEERE , Replaces: R56514 JOHN DEERE , Crossed From: A-T30791 JOHN DEERE Found in Section & Models : Transmission & Rear Axle > Clutch Related Parts, John Deere TRACTOR: 1020, John Deere TRACTOR: 1030, John Deere TRACTOR: 1040, John Deere TRACTOR: 1120, John Deere TRACTOR: 1130, John Deere TRACTOR: 1140, John Deere TRACTOR: 1350, John Deere TRACTOR: 1520, John Deere TRACTOR: 1530 (SN 178601-179600), John Deere TRACTOR: 1550, John Deere TRACTOR: 1630, John Deere TRACTOR: 1750, John Deere TRACTOR: 1830, John Deere TRACTOR: 1850, John Deere TRACTOR: 1850N (Europe), John Deere TRACTOR: 2020, John Deere TRACTOR: 2030 (SN <187300), John Deere TRACTOR: 2120, John Deere TRACTOR: 2130, John Deere TRACTOR: 2150 Associated Items : New Also A-FRM-JD, A-JD-O-OMR48388, A-JD-O-OMT26335, A-JD-S-SM2071, A-SMJD37, A-FRM-JD, A-JD-O-OML29383, A-JD-O-OMR71859, A-FRM-JD, A-JD-P-PC1121, A-JD-S-TM1012, A-SMJD37, A-FRM-JD, A-SMJD37, A-FRM-JD, A-JD-P-PC1289, A-JD-S-TM1051, A-FRM-JD, A-JD-O-OMR48388, A-JD-O-OMT26335 And : Length: 23.125" Spline: 15 / 16