Parts list: № Number Qty Name Options 0 8097015 2 Guard Lower Roller 2 4114406 8 Washer 19 X 36 X 4.500 mm (0.748" X 1.417" X 0.177") 3 12H236 8 Lock Washer 3/4", SUB FOR A590918 4 19M8232 8 Cap Screw M18 X 50, SUB FOR 4252880 Next page: ST55572 Track Frame Bottom Cover ST702537 Track Frame ST1038419 Lower Track Roller ( - 055169) ST1038421 Lower Track Roller (055202 - 0555329) ST1038407 Carrier Roller ( - 055231)