| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-30-00014 | TRACK ROLLER ASS'Y | 50700-@ | ||
| \0\20Y-30-00012 | TRACK ROLLER ASS'Y | 50001-50699 | ||
| 1 | 20Y-30-16112 | ROLLER | 50001-50699 | |
| 2 | 20Y-30-16241 | BUSHING | 50001-50699 | |
| 3 | 20Y-30-16130 | SHAFT | 50001-50699 | |
| 4 | 205-30-76260 | O-RING | 50001-50699 | |
| 20Y-30-00041 | FLOATING SEAL ASS'Y | 50001-50699 | ||
| 5 | \6\ | SEAL | 50001-50699 | |
| 6 | \6\ | O-RING | 50001-50699 | |
| 7 | 20Y-30-16152 | COLLAR | 50001-50699 | |
| 8 | 20Y-30-16330 | PLUG | 50001-50699 | |
| 9 | 20Y-30-16162 | COLLAR | 50001-50699 | |
| 10 | 20Y-30-16170 | PIN | 50001-50699 | |
| 11 | 20Y-30-11340 | BOLT | 50001-50699 | |
| 12 | 01643-31845 | WASHER | 50001-50699 |