This is a A-521257M92 Compressor, A6 w/ Clutch (1 groove 5.58" pulley, 12V, 2:00 coil) PN: 521257M92Main Description As Following : A-521257M92 Compressor, A6 w/ Clutch (1 groove 5.58" pulley, 12V, 2:00 coil) P.N: 521257M92 Coil Location: 2 AMPulley Diameter: 5.58"Pulley Grooves: 1Volt: 12 Stocked As: A-500-6003 Found in Section & Models : Air Conditioning Parts > Compressor, Massey Ferguson TRACTOR: 1080, Massey Ferguson TRACTOR: 1100, Massey Ferguson TRACTOR: 1130, Massey Ferguson TRACTOR: 1150 Associated Items : A-600-259 Also A-FRM-MH, A-MH-O-MF1080, A-MH-P-MF1080, A-MH-S-MF1080, A-SMMF201, A-FRM-MH, A-MH-O-MF110030, A-MH-P-MF1100-30, A-MH-S-MF110030, A-SMMF201, A-FRM-MH, A-MH-O-MF110030, A-MH-P-MF1100-30, A-MH-S-MF110030, A-SMMF201, A-MH-O-MF1150, A-MH-P-MF1150, A-MH-S-MF1150, A-SMMF201 And : Coil Location: 2 AM Pulley Diameter: 5.58" Pulley Grooves: 1 Volt: 12