This is a A-55616 Belt PN: 55616Main Description As Following : A-55616 Belt P.N: 55616 Depth: 17/32"OC Length: 7/8" X 148"Replaces: 55616Set Quantity: 2Top Width: 7/8" Stocked As: A-C144 Found in Section & Models : Belts > Hay and Forage Belts, Hesston SWATHER/WINDROWER: 300SP Associated Items : New Also This is An Aftermarket Product And : Depth: 17/32" OC Length: 7/8" X 148" Replaces: 55616 Set Quantity: 2 Top Width: 7/8"