| 1 | YM172421-38100 | TRACK SHOE ASS'Y,STEEL | |
| 2 | YM172421-38110 | LINK ASS'Y (WELDED) | |
| 7 | YM172173-38200 | BUSHING | |
| 8 | YM172173-38210 | PIN,REGULAR | |
| 9 | YM172173-38230 | SHOE,REGULAR | |
| 10 | YM172173-38220 | PIN,MASTER | |
| 11 | YM172173-38300 | PIN,LOCK | |
| 12 | YM172173-38110 | SHOE,MASTER (FOR REPAIR PART) | |
| 17 | YM172421-38600 | SHOE,RUBBER |
