New Aftermarket Main Double Drive Sprocket Gear Box  #80  13T/13T. Sprocket has 13 teeth per sprocket and used on 80 chain. Compatible with John Deere round baler models:  458, 558, 468, 468s, 568, 469, 569, 9 Series Premium

Chain Size - 60 on 24 Teeth & 80 on 30 Teeth
Teeth - Double Sprocket; 24 & 30

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Replaces AE74598

OEM# for reference only