This is a A-PLW8 Pulley PN: PLW8Main Description As Following : A-PLW8 Pulley P.N: PLW8 This pulley can be used with either A or B width belts due to its dual groove / taper configuration.Hub Required: WOutside Diameter: 8" Crossed From: WSP800W , , 21020080 , , 21020080 , , 2827-44727 JOHN DAY , 673-S85011100 , , 673S85011100 , Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : This pulley can be used with either A or B width belts due to its dual groove / taper configuration. Hub Required: W Outside Diameter: 8"