| Item | Part No. | Part Name | Qty | Serial No. |
| 176-70-00121 | BOOM ASS'Y,(6.2M) | 15686- | ||
| 176-70-00300 | BOOM ASS'Y,(7.3M) | 31557- | ||
| 176-70-00250 | BOOM ASS'Y,(7.3M) | 15686-31556 | ||
| 1 | \6\ | BOOM | 15686- | |
| 2 | 176-70-11460 | BUSHING | 15686- | |
| 3 | 176-70-41150 | SHAFT | 15686- | |
| 4 | 07020-00000 | FITTING,GREASE | 15686- | |
| 5 | 176-72-41230 | PLATE | 15686- | |
| 6 | 01010-81435 | BOLT | 15686- | |
| 7 | 01643-31445 | WASHER | 21739- | |
| \0\01602-01442 | WASHER | 15686-21738 | ||
| 8 | 196-70-12331 | ROPE | 21739- | |
| \0\196-70-12330 | ROPE | 15686-21738 | ||
| 9 | 196-70-12350 | SHACKLE | 15686- | |
| 10 | 01012-52490 | BOLT | 15686- | |
| 11 | 04050-15045 | PIN,COTTER | 15686- |