| Item | Part No. | Part Name | Qty | Serial No. |
| 20U-71-00022 | BLADE ASS'Y | 18001- | ||
| 20U-71-00021 | BLADE ASS'Y | 14993-18000 | ||
| 20U-71-00020 | BLADE ASS'Y | 8001-14992 | ||
| 1 | \6\ | BLADE | 8001- | |
| 2 | 20T-71-81120 | EDGE (WELDED) | 8001- | |
| 3 | 20T-71-81140 | BUSHING | 14993- | |
| 07144-10304 | BUSHING | 8001-14992 | ||
| 4 | 07145-00035 | SEAL,DUST | 8001- | |
| 5 | 07020-00675 | FITTING,GREASE | 8001- | |
| 6 | 20S-70-71240 | PIN | 8001- | |
| 7 | 04082-00212 | LOCK | 8001- | |
| 8 | 01010-81230 | BOLT | 8001- | |
| 9 | 01643-31232 | WASHER | 8001- | |
| 10 | 20T-70-81720 | SPACERä 1.0MM | 16420- | |
| 20R-70-11270 | SPACERä 1.0MM | 8001-16419 |