This is a A-192161 Hub, Hydraulic Pump PN: 192161Main Description As Following : A-192161 Hub, Hydraulic Pump P.N: 192161 Used w/ A-194354 pump shaft & A-192160 sheave.Dim A (1): 3.375" Dia.Dim B (2): 6 Spline Crossed From: 1101-0402 , , 111173 , Found in Section & Models : Hydraulic System Parts > Hydraulic Pumps, Ford / New Holland TRACTOR: NAA, Ford / New Holland TRACTOR: NAB, Ford / New Holland TRACTOR: 2N, Ford / New Holland TRACTOR: 600, Ford / New Holland TRACTOR: 600 SERIES, Ford / New Holland TRACTOR: 8N, Ford / New Holland TRACTOR: 800 SERIES, Ford / New Holland TRACTOR: 9N Associated Items : A-192164 Also A-FO-O-NAA, A-FO-P-ACCESS, A-FO-P-SHERPS, A-FO-P-1400SHER, A-FO-S-NAA, A-FO-S-SHER-TRAN, A-SMFO19, A-DA-O-101LDR, A-FO-O-9N, A-FO-OP-SH54C900, A-FO-P-ACCESS, A-FO-P-2N8N9N, A-FO-S-SHER-TRAN, A-FO-S-2N8N9N, A-FO-SOP-SHER54A, A-FRM-FOMM, A-MH-S-TETOSB, A-SMFO4, A-FO-O-600800, A-FO-O-601-801 And : Used w/ A-194354 pump shaft & A-192160 sheave. Dim A (1): 3.375" Dia. Dim B (2): 6 Spline