| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 144-917-4210 | BLADE ASS'Y | 20006- | |
| 2 | 144-917-4280 | PLATE,L.H. (WELDED) | 20006- | |
| 3 | 144-917-4290 | PLATE,R.H. (WELDED) | 20006- | |
| 4 | 144-917-4310 | PLATE,L.H. (WELDED) | 20006- | |
| 5 | 144-917-4320 | PLATE,R.H. (WELDED) | 20006- | |
| 6 | 144-917-4330 | PLATE (WELDED) | 20006- | |
| 7 | 13F-Z27-1830 | BIT,END¤ L.H. | 20006- | |
| 8 | 13F-Z27-1840 | BIT,END¤ R.H. | 20006- | |
| 9 | 144-917-4220 | PLATE | 20006- | |
| 10 | 144-917-4230 | PLATE | 20006- | |
| 11 | 144-917-4240 | PLATE,L.H. | 20006- | |
| 12 | 144-917-4250 | PLATE,R.H. | 20006- | |
| 13 | 13F-Z27-1770 | PLATE | 20006- | |
| 14 | 144-917-4260 | PLATE | 20006- | |
| 15 | 144-917-4270 | PLATE | 20006- | |
| 16 | 13F-Z27-1810 | PLATE¤ 4.5MM | 20006- | |
| 17 | 13F-Z27-1820 | PLATE¤ 2.3MM | 20006- | |
| 18 | 01010-31255 | BOLT | 20006- | |
| 19 | 01602-01236 | WASHER | 20006- | |
| 20 | 01643-31232 | WASHER | 20006- |