| Item | Part No. | Part Name | Qty | Serial No. |
| 208-70-86860 | Boom Assembly | 70458- | ||
| 1 | Boom | 70458- | ||
| 2 | 207-62-74231 | Bracket, Welded | 70458- | |
| 3 | 207-62-74371 | Bracket, Welded | 70458- | |
| 4 | 208-62-74210 | Seat, Welded | 70458- | |
| 5 | 208-62-74222 | Bracket, Welded | 70458- | |
| 6 | 208-62-74241 | Bracket, Welded | 70458- | |
| 7 | 208-62-74251 | Bracket, Welded | 70458- | |
| 8 | 208-62-74310 | Bracket, Welded | 70458- | |
| 9 | 20Y-70-11651 | Seat, Welded | 70458- | |
| 10 | 208-70-61610 | Bushing | 70458- | |
| 11 | 07145-00120 | Seal, Dust | 70458- |