This is a A-AH85846 Clutch - York Style ( 2 groove 6" pulley) PN: AH85846Main Description As Following : A-AH85846 Clutch - York Style ( 2 groove 6" pulley) P.N: AH85846 Pulley Diameter: 6"Pulley Grooves: 2X: 1.66"Y: .62" Stocked As: A-600-283 Found in Section & Models : Air Conditioning Parts > Clutch, John Deere COMBINE: 4400 (w/ 1971- 1975), John Deere COMBINE: 6600, John Deere COMBINE: 7700 (w/ <1972) Associated Items : New Also This is An Aftermarket Product And : Pulley Diameter: 6" Pulley Grooves: 2 X: 1.66" Y: .62"