| Item | Part No. | Part Name | Qty | Serial No. |
| 124-30-00111 | TRACK ROLLER ASS'Y,S | B20001-B20500 | ||
| 1 | 124-30-52110 | ROLLER,S | B20001-B20500 | |
| 2 | 203-30-54170 | BUSHING | B20001-@ | |
| 3 | 124-30-51141 | SHAFT | B20001-B20500 | |
| 4 | 124-30-52121 | COLLAR | B20001-B20500 | |
| 154-30-00831 | FLOATING SEAL ASS'Y | B20001-@ | ||
| 5 | 154-30-00821 | SEAL RING ASS'Y | B20001-@ | |
| \6\ | RING | B20001-@ | ||
| 6 | 150-30-00370 | O-RING ASS'Y | B20001-@ | |
| \6\ | O-RING | B20001-@ | ||
| 7 | 07000-03042 | O-RING | B20001-@ | |
| 8 | 124-30-51160 | LOCK | B20001-@ | |
| 9 | 20Y-30-16330 | PLUG | B20062-B20500 | |
| 2991-01-4160 | PLUG | B20001-B20061 | ||
| 10 | 124-30-51150 | KEY | B20001-@ | |
| 11 | 01010-81675 | BOLT | B20001-@ | |
| 12 | 01643-31645 | WASHER | B20001-@ |