| Item | Part No. | Part Name | Qty | Serial No. |
| 21N-70-00110 | BOOM ASS'Y | 20001- | ||
| 1 | \6\ | BOOM | 20001- | |
| 2 | 205-62-54622 | SEAT | 20001- | |
| 3 | 209-62-58520 | SEAT | 20001- | |
| 4 | 209-70-57170 | SEAT (WELDED) | 20001- | |
| 5 | 209-72-15120 | SEAT (WELDED) | 20001- | |
| 6 | 21N-62-18551 | CLAMP (WELDED) | 20001- | |
| 7 | 21N-62-38361 | CLAMP (WELDED) | 20001- | |
| 8 | 21N-62-38381 | CLAMP (WELDED) | 20001- | |
| 9 | 21N-62-38420 | CLAMP (WELDED) | 20001- | |
| 10 | 21N-62-38430 | CLAMP (WELDED) | 20001- | |
| 11 | 21N-62-39211 | CLAMP (WELDED) | 20001- | |
| 12 | 21N-942-1151 | CLAMP (WELDED) | 20001- | |
| 13 | 21N-70-31160 | BUSHING | 20001- | |
| 14 | 21N-70-31181 | BUSHING | 20001- | |
| 15 | 209-72-11311 | SEAL | 20001- |