This is a A-T28672 Shaft, PTO (1000 RPM) PN: T28672Main Description As Following : A-T28672 Shaft, PTO (1000 RPM) P.N: T28672 Dim A (1): 11.414" longDim B (2): 21 spline Crossed From: AMT28672 , , WN-T28672 , , WNT28672 , , 113971 , Found in Section & Models : PTO Parts > PTO and Related Parts, John Deere TRACTOR, COMPACT: 3120, John Deere TRACTOR: 2840, John Deere TRACTOR: 2940, John Deere TRACTOR: 2950, John Deere TRACTOR: 2955, John Deere TRACTOR: 3030, John Deere TRACTOR: 3040, John Deere TRACTOR: 3050, John Deere TRACTOR: 3055, John Deere TRACTOR: 3120, John Deere TRACTOR: 3130, John Deere TRACTOR: 3140, John Deere TRACTOR: 3150, John Deere TRACTOR: 3155, John Deere TRACTOR: 3255, John Deere TRACTOR: 3350, John Deere TRACTOR: 3650, John Deere TRACTOR: 4350 Associated Items : New Also A-JD-S-TM4336, A-JD-O-OMR71860, A-SMJD59, A-JD-S-TM4336, A-JD-O-OMR71860 And : Dim A (1): 11.414" long Dim B (2): 1 3/8" - 21 spline