| Item | Part No. | Part Name | Qty | Serial No. |
| 21W-70-00630 | BOOM ASS'Y | 15001- | ||
| 1 | 21W-70-27140 | BOOM | 15001- | |
| 201-70-00420 | BRACKET ASS'Y (WELDED) | 15001- | ||
| 2 | 201-70-61131 | BRACKET (WELDED) | 15001- | |
| 3 | 203-46-41130 | SEAT (WELDED) | 15001- | |
| 4 | 21W-70-31110 | BUSHING | 15001- | |
| 5 | 07145-00060 | SEAL,DUST | 15001- | |
| 6 | 07020-00900 | FITTING,GREASE | 15001- | |
| 7 | 07145-00060 | SEAL,DUST | 15001- |