| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 11Y-72-25310 | BLADE ASS'Y | 5501- | |
| 2 | \6\ | BRACKET (WELDED) | 5501- | |
| 3 | 11Y-72-25130 | BRACKET,L.H. (WELDED) | 5501- | |
| 4 | 11Y-72-25140 | BRACKET,R.H. (WELDED) | 5501- | |
| 5 | 11Y-72-25151 | BRACKET (WELDED) | 5501- | |
| 6 | 11Y-72-22F20 | PLATE (WELDED) | 5501- | |
| 7 | 11Y-72-25F20 | PLATE (WELDED) | 5501- | |
| 8 | 11Y-72-25F30 | PLATE (WELDED) | 5501- | |
| 9 | 112-946-1510 | BIT | 5501- | |
| 10 | 12F-70-31281 | EDGE | 5501- | |
| 11 | 12F-70-31261 | EDGE | 5501- | |
| 12 | 02090-11055 | BOLT | 5501- | |
| 13 | 02290-11016 | NUT | 5501- | |
| 14 | 07020-00675 | FITTING,GREASE | 5501- | |
| 15 | 11Y-72-25180 | COVER | 5501- | |
| 16 | 01643-31232 | WASHER | 5501- | |
| 17 | 01010-81225 | BOLT | 5501- | |
| 18 | 09601-60000 | PLATE¤ NAME,(LIMITED SUPPLY) | 5501- | |
| 19 | 04418-13060 | SCREW | 5501- |