| Item | Part No. | Part Name | Qty | Serial No. |
| 21W-30-00050 | TRACK ROLLER ASS'Y | 7928-10370 | ||
| 1 | 201-30-54110 | ROLLER | 7928-10370 | |
| 2 | 201-30-54141 | BUSHING | 7928-10370 | |
| 141-30-00616 | FLOATING SEAL ASS'Y | 7928-10370 | ||
| 3 | \6\ | RING,SEAL | 7928-10370 | |
| 4 | \6\ | O-RING | 7928-10370 | |
| 5 | 201-30-64350 | SHAFT | 7928-10370 | |
| 6 | 201-30-54120 | COLLAR | 7928-10370 | |
| 7 | 07043-50108 | PLUG | 7928-10370 | |
| 8 | 07000-03035 | O-RING | 7928-10370 | |
| 9 | 201-30-54150 | PIN,DOWEL | 7928-10370 | |
| 10 | 01010-51465 | BOLT | 7928-10370 | |
| 11 | 01643-31445 | WASHER | 7928-10370 |