| Item | Part No. | Part Name | Qty | Serial No. |
| 20U-70-00161 | BOOM ASS'Y | 12800- | ||
| 20U-70-00160 | BOOM ASS'Y | 8001-12799 | ||
| 1 | \6\ | BOOM | 8001- | |
| 2 | 20T-70-81140 | BUSHING | 12800- | |
| 20T-70-71140 | BUSHING | 8001-12799 | ||
| 3 | 07020-00675 | FITTING,GREASE | 8001- | |
| 4 | 07042-70108 | PLUG | 8001- | |
| 5 | 07145-00050 | SEAL,DUST | 8001- |