John Deere Original Equipment Blade (6-PACK) - H221044 This includes 6 Blade H221044's The part specifications for H221044: Part Number: H221044 Part Name: BLADE This H221044 Blade fits these models: 9670 STS Self-Propelled Combine (Worldwide Edition) 9770 STS Self-Propelled Combine (Worldwide Edition) 9870 STS Self-Propelled Combine (Worldwide Edition) S660 Combine (Worldwide Edition, S.N. 745100-765171) S660 Combine (Worldwide Edition, S.N. 765172-785000) S660 Combine (Worldwide Edition, S.N. 785001- ) S670 Combine (Worldwide Edition, S.N. 745100-765252) S670 Combine (Worldwide Edition, S.N. 765253-785000) S670 Combine (Worldwide Edition, S.N. 785001- ) S680 Combine (Worldwide Edition, S.N. 745100-766006) S680 Combine (Worldwide Edition, S.N. 766007-785000) S680 Combine (Worldwide Edition, S.N. 785001- ) S690 Combine (Worldwide Edition, S.N. 745100-765249) S690 Combine (Worldwide Edition, S.N. 765250-785000) S690 Combine (Worldwide Edition, S.N. 785001- ) S760 Combine S770 Combine S780 Combine S790 Combine This is an OEM John Deere part.