| Item | Part No. | Part Name | Qty | Serial No. |
| 20A-973-2502 | BOOM ASS'Y | 10584- | ||
| 20A-973-2501 | BOOM ASS'Y | 10001-10583 | ||
| 1 | \6\ | BOOM | 10584- | |
| \6\ | BOOM | 10001-10583 | ||
| 2 | 20A-70-21120 | BUSHING | 10001- | |
| 3 | 07145-00040 | SEAL,DUST | 10001- | |
| 4 | 20A-70-21312 | BRACKET,TILT | 10001- | |
| 5 | 20A-70-21351 | PLATE | 10001- | |
| 6 | 20A-70-11360 | PLATE | 10001- | |
| 7 | 20A-70-11371 | SHEET | 10001- | |
| 8 | 01435-00820 | BOLT | 10001- | |
| 20A-973-2521 | BOOM ASS'Y | 10001- | ||
| 9 | \6\ | BOOM | 10001- | |
| 10 | 20A-70-21120 | BUSHING | 10001- | |
| 11 | 20A-70-21430 | COLLAR | 10001- | |
| 12 | 20A-70-21440 | COLLAR | 10001- | |
| 13 | 07145-00040 | SEAL,DUST | 10001- | |
| 14 | 20A-973-2541 | BOOM,4TH | 10001- |