| Item | Part No. | Part Name | Qty | Serial No. |
| 20R-71-00041 | BLADE ASS'Y | 22029- | ||
| \0\20R-71-00040 | BLADE ASS'Y | 18001-22028 | ||
| 1 | \6\ | BLADE ASS'Y | 22029- | |
| \6\ | BLADE ASS'Y | 18001-22028 | ||
| 2 | 20S-71-21120 | EDGE,CUTTING (WELDED) | 18001- | |
| 3 | 07144-10304 | BUSHING | 18001- | |
| 4 | 07020-00675 | FITTING,GREASE | 18001- | |
| 5 | 07145-00035 | SEAL,DUST | 18001- | |
| 6 | 20R-70-11270 | SPACER¤ 1.0MM | 18001- | |
| 20S-71-11250 | SPACER¤ 2.3MM | 18001- | ||
| 7 | 20S-71-11220 | PIN | 18001- | |
| 8 | 01010-51225 | BOLT | 18001- | |
| 9 | 01643-31232 | WASHER | 18001- | |
| 10 | 20S-71-11230 | SHIM¤ 1.0MM | 18001- | |
| 20S-71-11240 | SPACER¤ 2.3MM | 18001- | ||
| 11 | 20S-71-11210 | PIN | 18001- | |
| 12 | 01010-51225 | BOLT | 18001- | |
| 13 | 01643-31232 | WASHER | 18001- |