| Item | Part No. | Part Name | Qty | Serial No. |
| 21M-30-00100 | TRACK ROLLER ASS'Y | 30001-@ | ||
| 1 | 21M-30-15100 | ROLLER | 30001-@ | |
| 2 | 21M-30-15110 | BUSHING | 30001-@ | |
| 3 | 21M-30-15120 | SHAFT | 30001-@ | |
| 4 | 21M-30-15130 | COLLAR | 30001-@ | |
| 5 | 201-32-51150 | PIN | 30001-@ | |
| 6 | 07000-05090 | O-RING | 30001-@ | |
| 7 | 209-30-63150 | PLUG | 30001-@ | |
| 198-30-00073 | FLOATING SEAL ASS'Y | 30001-@ | ||
| 8 | \6\ | RING | 30001-@ | |
| 9 | \6\ | O-RING | 30001-@ | |
| 10 | 21M-30-15190 | BOLT | 30001-@ | |
| 11 | 20Y-25-11220 | WASHER | 30001-@ |