| Item | Part No. | Part Name | Qty | Serial No. |
| 21W-70-01250 | 1ST BOOM ASS'Y | 22001- | ||
| 1 | \6\ | BOOM,1ST | 22001- | |
| 2 | 21W-70-41610 | BUSHING | 22001- | |
| 3 | 07145-00065 | SEAL,DUST | 22001- | |
| 4 | 07020-00900 | FITTING,GREASE | 22001- | |
| 21W-70-01031 | 2ND BOOM ASS'Y | 22001- | ||
| 5 | \6\ | BOOM,2ND | 22001- | |
| 6 | 21W-70-41630 | BUSHING | 22001- | |
| 7 | 07020-00675 | FITTING,GREASE | 22001- | |
| 8 | 07020-00000 | FITTING,GREASE | 22001- | |
| 9 | 07145-00100 | SEAL,DUST | 22001- | |
| 10 | 21W-70-41140 | BRACKET | 22001- | |
| 21W-70-01061 | LINK ASS'Y | 22001- | ||
| 11 | \6\ | LINK,SUB | 22001- | |
| 12 | 21W-70-41640 | BUSHING | 22001- | |
| 13 | 07145-00050 | SEAL,DUST | 22001- | |
| 14 | 07020-00000 | FITTING,GREASE | 22001- | |
| 15 | 07020-00900 | FITTING,GREASE | 22001- |