Parts list: № Number Qty Name Options 1 FF513336 16 Bottom Roller 2 4648103 64 Bolt Next page: ST801504 Lower Roller Guard ST940357 Track Guard, Mass-Excavating ST1038657 Carrier Roller ( - 930049) ST942862 Track Chain, Heavy-Duty ST944882 Lower Roller Guard, Heavy-Duty ST941627 Track Frame Bottom Cover, Mass-Excavating ST939318 Track Chain Assembly ST563839 Lower Track Roller, Standard ST1038653 Carrier Roller (930050 - ) ST970162 Track Frame