| Item | Part No. | Part Name | Qty | Serial No. |
| 21A-70-01120 | BOOM ASS'Y | 10001- | ||
| 1 | \6\ | BOOM | 10001- | |
| 2 | 21A-70-11230 | BUSHING | 10001- | |
| 3 | 21A-70-11240 | SEAL,DUST | 10001- | |
| 4 | 21A-70-11150 | PIN | 10001- | |
| 5 | 21A-70-11250 | PIN | 10001- | |
| 6 | 21A-70-11380 | SPACER | 10001- | |
| 7 | 01010-51020 | BOLT | 10001- | |
| 8 | 01010-51016 | BOLT | 10001- | |
| 9 | 01643-31032 | WASHER | 10001- |