| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 11Y-72-28101 | BLADE ASS'Y | 50649- | |
| 1 | 11Y-72-28100 | BLADE ASS'Y | 50501-50648 | |
| 2 | 11Y-72-25151 | BRACKET (WELDED) | 50501- | |
| 3 | 11Y-72-16130 | BRACKET,L.H. (WELDED) | 50501- | |
| 4 | 11Y-72-16140 | BRACKET,R.H. (WELDED) | 50501- | |
| 5 | \6\ | BLADE (WELDED) | 50501- | |
| 6 | 11Y-72-22F21 | PLATE (WELDED) | 50649- | |
| 6 | 11Y-72-22F20 | PLATE (WELDED) | 50501-50648 | |
| 7 | 11Y-72-27F31 | PLATE (WELDED) | 50649- | |
| 7 | 11Y-72-27F30 | PLATE (WELDED) | 50501-50648 | |
| 8 | 11Y-72-27F41 | PLATE (WELDED) | 50649- | |
| 8 | 11Y-72-27F40 | PLATE (WELDED) | 50501-50648 | |
| 9 | 11G-71-31170 | BIT | 50501- | |
| 10 | 12F-70-31251 | EDGE | 50501- | |
| 11 | 12F-70-31261 | EDGE | 50501- | |
| 12 | 02090-11055 | BOLT | 50501- | |
| 13 | 02290-11016 | NUT | 50501- | |
| 14 | 07020-00675 | FITTING,GREASE | 50501- | |
| 15 | 11Y-72-25190 | COVER | 50649- | |
| 15 | 11Y-72-15180 | COVER | 50501-50648 | |
| 16 | 01643-31232 | WASHER | 50501- | |
| 17 | 01010-81225 | BOLT | 50501- | |
| 18 | 09601-50000 | PLATE, NAME,(LIMITED SUPPLY) | 50697- | |
| 18 | 09601-60000 | PLATE, NAME,(LIMITED SUPPLY) | 50501-50696 | |
| 19 | 04418-13060 | SCREW | 50501- |