| Item | Part No. | Part Name | Qty | Serial No. |
| 21U-30-31301 | TRACK ROLLER ASS'Y | 20001- | ||
| 1 | 20S-30-84112 | ROLLER | 20001- | |
| 2 | 20S-30-32150 | COLLAR | 20001- | |
| 3 | 10E-30-14130 | SHAFT | 20001- | |
| 4 | 10E-30-14140 | BUSHING | 20001- | |
| 5 | 20R-30-11270 | RING,SNAP | 20001- | |
| 6 | 07000-02021 | O-RING | 20001- | |
| 110-30-00086 | FLOATING SEAL ASS'Y | 20001- | ||
| 7 | \6\ | RING,SEAL | 20001- | |
| 8 | \6\ | O-RING | 20001- | |
| 9 | 01010-81435 | BOLT | 20001- | |
| 10 | 01643-31445 | WASHER | 20001- |