Parts list: № Number Qty Name Options 1 AA32776 1 Drive Sprocket Z = 12, 50 Pitch 2 A31867 3 Lock Nut 3 A51001 1 Screw 4 A51002 1 Arm RH, Idler 4 A51003 1 Arm LH, Idler 5 28H3412 1 Washer 0.493" X 0.675" X 3/8" 6 A50386 1 Chain Sprocket Z = 28 7 19M7303 2 Cap Screw M12 X 45 8 A46643 1 Spring Next page: ST594022 Wheel Hub and Spacer ST791385 Wheel Chain Trash Deflectors, Attachment ST594016 Hub / Traction Wheel ST594025 Ratchet ST594035 Mechanical Drive PICT-080.1 80 Drives