| Item | Part No. | Part Name | Qty | Serial No. |
| 21M-30-00101 | Track Roller Assembly | 70458- | ||
| 1 | 21M-30-15101 | Roller | 70458- | |
| 2 | 21M-30-15110 | Bushing | 70458- | |
| 3 | 21M-30-15120 | Shaft | 70458- | |
| 4 | 21M-30-15131 | Collar | 70458- | |
| 5 | 201-32-51150 | Pin | 70458- | |
| 6 | 07000-15090 | O-ring | 70458- | |
| 7 | 209-30-63150 | Plug | 70458- | |
| 7 | 198-30-00073 | Floating Seal Assembly | 70458- | |
| 8 | Seal | 70458- | ||
| 9 | O-ring | 70458- | ||
| 10 | 21M-30-15190 | Bolt | 70458- | |
| 11 | 20Y-25-11220 | Washer | 70458- |