This is a A-71379105 Belt, Beater To Header Countershaft Drive PN: 71379105Main Description As Following : A-71379105 Belt; Beater To Header Countershaft Drive, 217.0" P.N: 71379105 5/8 X 217 Wrapped Kevlar CordColor: BrownLength: 217Material: Kevlar CordThickness: 0.65Type: WrappedWidth: 5/8 Crossed From: AM71379105 , Found in Section & Models : Belts > Combine Belts, Challenger COMBINE: 660 (SN ), Massey Ferguson COMBINE: 8780XP, Massey Ferguson COMBINE: 9690 (SN