| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-30-08020 | TRACK ROLLER ASSEMBLY | |||
| 1 | 20Y-30-28280 | ROLLER | ||
| 2 | 20Y-30-16241 | BUSHING | ||
| 3 | 20Y-30-28290 | SHAFT | ||
| 4 | 20Y-30-28330 | O-RING | ||
| 20Y-30-00041 | FLOATING SEAL ASSEMBLY | |||
| 5 | 20Y-30-00051 | SEAL RING ASSEMBLY | ||
| 6 | 20Y-30-00061 | O-RING ASSEMBLY | ||
| 7 | 20Y-30-28300 | COLLAR | ||
| 8 | 20Y-30-28340 | PLUG | ||
| 9 | 20Y-30-28310 | COLLAR | ||
| 10 | 20Y-30-28320 | PIN | ||
| 11 | 20Y-30-11340 | BOLT | ||
| 12 | 01643-31845 | WASHER |