| Item | Part No. | Part Name | Qty | Serial No. |
| 21N-942-0031 | BOOM ASS'Y | 20001- | ||
| 1 | \6\ | BOOM | 20001- | |
| 2 | 156-21-11150 | SEAT (WELDED) | 20001- | |
| 3 | 207-62-31350 | SEAT (WELDED) | 20001- | |
| 4 | 21N-68-32610 | SEAT (WELDED) | 20001- | |
| 5 | 21N-68-32620 | SEAT (WELDED) | 20001- | |
| 6 | 21N-68-32650 | SEAT (WELDED) | 20001- | |
| 7 | 21N-62-18551 | CLAMP (WELDED) | 20001- | |
| 8 | 21N-62-38381 | CLAMP (WELDED) | 20001- | |
| 9 | 21N-62-38430 | CLAMP (WELDED) | 20001- | |
| 10 | 21N-62-38461 | CLAMP (WELDED) | 20001- | |
| 11 | 21N-62-39211 | CLAMP (WELDED) | 20001- | |
| 12 | 21N-942-3421 | CLAMP (WELDED) | 20001- | |
| 13 | 21N-942-3431 | CLAMP (WELDED) | 20001- | |
| 14 | 205-62-54622 | SEAT | 20001- | |
| 15 | 209-62-58520 | SEAT | 20001- | |
| 16 | 209-70-57170 | SEAT (WELDED) | 20001- | |
| 17 | 209-72-15120 | SEAT (WELDED) | 20001- | |
| 18 | 209-72-12140 | BRACKET (WELDED) | 20001- | |
| 19 | 21N-70-31160 | BUSHING | 20001- | |
| 20 | 21N-70-31181 | BUSHING | 20001- | |
| 21 | 209-72-11311 | SEAL | 20001- |