| Item | Part No. | Part Name | Qty | Serial No. |
| 207-70-00550 | BOOM ASS'Y | 40001-40606 | ||
| 1 | \6\ | BOOM | 40001-40606 | |
| 2 | 205-62-73430 | SEAT | 40001-40606 | |
| 3 | 207-62-54750 | BRACKET (WELDED) | 40001-@ | |
| 4 | 207-62-74221 | BRACKET (WELDED) | 40001-@ | |
| 5 | 207-62-74230 | BRACKET (WELDED) | 40001-40606 | |
| 6 | 207-62-74240 | BRACKET (WELDED) | 40001-@ | |
| 7 | 207-62-74251 | BRACKET (WELDED) | 40001-@ | |
| 8 | 207-62-74281 | BRACKET (WELDED) | 40001-@ | |
| 9 | 207-62-74310 | SEAT (WELDED) | 40001-40606 | |
| 10 | 207-62-74340 | BRACKET (WELDED) | 40001-@ | |
| 11 | 207-62-74370 | BRACKET (WELDED) | 40001-@ | |
| 12 | 20Y-70-11651 | SEAT (WELDED) | 40001-@ | |
| 13 | 207-70-61610 | BUSHING | 40001-@ | |
| 14 | 07020-00000 | FITTING | 40001-@ | |
| 15 | 07145-00110 | SEAL | 40001-@ | |
| 16 | 207-70-61181 | PIN | 40001-40606 | |
| 17 | 207-70-31230 | PLATE | 40001-@ | |
| 18 | 01010-81640 | BOLT | 40001-@ | |
| 19 | 01643-31645 | WASHER | 40001-@ |