| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 21K-70-71111 | BOOM | 10001-10379 | |
| 2 | 20Y-70-11651 | SEAT (WELDED) | 10001-@ | |
| 3 | 21K-62-74211 | BRACKET (WELDED) | 10001-@ | |
| 4 | 21K-62-74221 | BRACKET (WELDED) | 10001-@ | |
| 5 | 21K-62-74231 | BRACKET (WELDED) | 10001-@ | |
| 6 | 203-70-51221 | SEAT (WELDED) | 10001-@ | |
| 7 | 21K-62-74280 | BRACKET (WELDED) | 10001-@ | |
| 8 | 21K-70-71311 | BUSHING | 10065-@ | |
| 8 | \0\21K-70-71310 | BUSHING | 10001-10064 | |
| 9 | 07145-00080 | SEAL | 10001-@ |