| Item | Part No. | Part Name | Qty | Serial No. |
| 20S-910-0021 | BLADE ASS'Y | 23135- | ||
| 20S-910-0020 | BLADE ASS'Y | 18001-23134 | ||
| 1 | \6\ | BLADE | 23135- | |
| 1 | \6\ | BLADE | 18001-23134 | |
| 2 | 20S-910-3120 | BRACKET,L.H. (WELDED) | 18001- | |
| 3 | 20U-910-1141 | BRACKET,R.H. (WELDED) | 18001- | |
| 4 | 20U-910-1151 | BRACKET,CENTER (WELDED) | 18001- | |
| 5 | 20U-910-1190 | BUSHING | 18001- | |
| 6 | 20S-910-3131 | EDGE | 23135- | |
| 6 | 20S-910-3130 | EDGE | 18001-23134 | |
| 7 | 20U-910-1980 | EDGE | 18001- | |
| 8 | 02090-10840 | BOLT | 23135- | |
| 8 | 02090-10840 | BOLT | 20098-23134 | |
| 8 | 02090-10845 | BOLT | 18001-20097 | |
| 9 | 02290-10813 | NUT | 23135- | |
| 9 | 02290-10813 | NUT | 18001-23134 | |
| 10 | 01643-31445 | WASHER | 18001-20097 | |
| 11 | 20U-910-1160 | PIN | 18001- | |
| 12 | 20R-70-11270 | SPACER, 1.0MM | 18001- | |
| 13 | 20S-910-3230 | PIN | 18001- | |
| 14 | 20U-910-1181 | PIN | 18001- | |
| 15 | 07020-00675 | FITTING,GREASE | 18001- | |
| 16 | 20U-910-1360 | BUSHING | 18001- | |
| 17 | 20U-910-1370 | COLLAR | 18001- | |
| 18 | 20U-910-1290 | BUSHING | 18001- | |
| 19 | 20U-910-1280 | COLLAR | 18001- | |
| 20 | 20S-70-31180 | SPACER | 18001- | |
| 21 | 01010-51230 | BOLT | 18001- | |
| 22 | 01643-31232 | WASHER | 18001- |