Parts list: № Number Qty Name Options 1 AA32776 1 Drive Sprocket 2 A31867 3 Lock Nut 3 A51001 1 Screw 4 A51003 1 Arm 5 28H3412 1 Washer 0.493" X 0.675" X 3/8" 6 A50386 1 Chain Sprocket 7 19M7303 2 Cap Screw M12 X 45 8 A46643 1 Spring Next page: ST594029 Bracket W/ Idler Sprocket ST530088 Countershaft ST667805 Gauge, Dial ST594022 Wheel Hub and Spacer ST530095 Bracket, Transmission Offset ST530090 Transmission, Twin Row Center Section ST530089 Seed Transmission