This is a A-57216 Draper BeltDrive PN: 57216Main Description As Following : A-57216 Belt, Draper Drive P.N: 57216 Dim A (1): 5/8" x 75"Replaces: 57216 Stocked As: A-B72 , Crosses To: A-B1B72 HESSTON Found in Section & Models : Belts > Hay and Forage Belts, Hesston SWATHER/WINDROWER: 300SP (1971-1972) Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 5/8" x 75" Replaces: 57216