This is a A-V63456-R Compressor, Re-mfg, Sanden Style w/ Clutch (9103) PN: V63456-RMain Description As Following : A-V63456-R Compressor, Re-mfg, Sanden Style w/ Clutch (9103) P.N: V63456-R Fitting Description: Vert. Fl. #8/10Pulley Diameter: 5.250"Pulley Grooves: 2ASeries Number: SD510Volt: 12 Stocked As: A-60-2921T94 Found in Section & Models : Air Conditioning Parts > Compressor, Versatile TRACTOR: 1150V, Versatile TRACTOR: 160V, Versatile TRACTOR: 555V (1983>), Versatile TRACTOR: 835V (1981- 1984), Versatile TRACTOR: 855V (1981- 1983), Versatile TRACTOR: 875V (1981- 1984), Versatile TRACTOR: 895V (1981- 1984), Versatile TRACTOR: 945V (1981- 1984), Versatile TRACTOR: 955V (1981- 1984), Versatile TRACTOR: 975V Associated Items : New Also This is An Aftermarket Product And : Fitting Description: Vert. Fl. #8/10 Pulley Diameter: 5.250" Pulley Grooves: 2A Series Number: SD510 Volt: 12