This is a A-961866M1 Bulb, Head Light PN: 961866M1Main Description As Following : A-961866M1 Bulb, Head Light P.N: 961866M1 Dim A (1): 3 ProngDim B (2): 45/40 WattReplaces: 1426618M1 Stocked As: A-47P1831 , Crossed From: 1426618M1 MASSEY FERGUSON , 961866V1 AGCO Found in Section & Models : Lights & Related Parts > Replacement Bulbs/ Lenses, Allis-Chalmers TRACTOR: 4650, Allis-Chalmers TRACTOR: 4660, Allis-Chalmers TRACTOR: 6150, Allis-Chalmers TRACTOR: 6265 (STAR CAB), Allis-Chalmers TRACTOR: 6265 (VARIO CAB), Allis-Chalmers TRACTOR: 6275 (STAR CAB), Allis-Chalmers TRACTOR: 6670, Allis-Chalmers TRACTOR: 6680, Allis-Chalmers TRACTOR: 6690, Allis-Chalmers TRACTOR: 7600, Allis-Chalmers TRACTOR: 8610, Allis-Chalmers TRACTOR: 8745, Allis-Chalmers TRACTOR: 8765, Allis-Chalmers TRACTOR: 8775, Allis-Chalmers TRACTOR: 8785, Allis-Chalmers TRACTOR: 9735, Allis-Chalmers TRACTOR: 9745, Deutz TRACTOR: DX3.70 (STAR CAB), Deutz TRACTOR: DX3.70 (VARIO CAB), Deutz TRACTOR: DX3.90 (STAR CAB) Associated Items : New Also A-AC-S-46504660, A-AC-S-46504660, A-AC-S-5600, A-AC-S-5600, A-AC-S-5600, A-DE-S-CLUTCH, A-DE-S-CLUTCH, A-MH-S-MF750760, A-MH-S-MF750760, A-MH-P-MF20D, A-MH-S-MF20D, A-MH-O-HYDRSYST, A-MH-O-MF25DSL, A-MH-P-MF2025, A-MH-S-MF25130, A-MH-O-MF30ETLB, A-MH-P-MF30ETL, A-MH-P-MF30ETLB, A-MH-S-MF30ETLB, A-MNL18368 And : Dim A (1): 3 Prong Dim B (2): 45/40 Watt Replaces: 1426618M1