| Item | Part No. | Part Name | Qty | Serial No. |
| 21W-70-00030 | BOOM ASS'Y | 16307- | ||
| 1 | \6\ | BOOM | 16307- | |
| 201-70-71XE1 | BRACKET (WELDED) | 16307- | ||
| 2 | \6\ | BRACKET (WELDED) | 16307- | |
| 3 | 203-46-41130 | SEAT (WELDED) | 16307- | |
| 4 | 201-70-21182 | BUSHING | 16307- | |
| 5 | 07145-00060 | SEAL,DUST | 16307- | |
| 6 | 07020-00900 | FITTING,GREASE | 16307- | |
| 7 | 07145-00060 | SEAL,DUST | 16307- |