| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 22U-30-21120 | TRACK FRAME | 20001-21221 | |
| 2 | 203-30-61C51 | PLATE (WELDED) | 20001-@ | |
| 3 | 20Y-30-21N61 | BRACKET (WELDED) | 20001-21221 | |
| 4 | 20Y-30-21151 | COVER | 20001-@ | |
| 5 | 205-30-71181 | COVER | 20001-@ | |
| 6 | 205-30-71191 | GASKET | 20001-@ | |
| 7 | 01580-11008 | NUT | 20001-@ | |
| 8 | 01643-31032 | WASHER | 20001-@ | |
| 9 | 20Y-30-11370 | SEAL | 20001-@ | |
| 10 | 205-30-71171 | SEAL | 20001-@ |