| Item | Part No. | Part Name | Qty | Serial No. |
| 21W-70-01292 | Boom Assembly | 15001- | ||
| 1 | Boom | 15001- | ||
| 2 | 201-70-71211 | Bracket, Welded | 15001- | |
| 3 | 203-46-41130 | Seat, Welded | 15001- | |
| 4 | 21W-70-41611 | Bushing | 15001- | |
| 5 | 07145-00065 | Seal, Dust | 15001- | |
| 6 | 07145-00065 | Seal, Dust | 15001- | |
| 7 | 07020-00675 | Fitting, Grease | 15001- |