| Item | Part No. | Part Name | Qty | Serial No. |
| 20A-70-11103 | BOOM ASS'Y,1ST | 2121- | ||
| 20A-70-11100 | BOOM ASS'Y,1ST | 1001-2120 | ||
| 1 | \6\ | BOOM,1ST | 2121- | |
| \6\ | BOOM,1ST | 1001-2120 | ||
| 2 | 20A-70-11120 | BUSHING | 1001- | |
| 3 | 20A-70-12221 | SEAL,DUST | 1001- | |
| 4 | 20A-70-11220 | BUSHING | 1001- | |
| 5 | 20A-70-12231 | SEAL,DUST | 1001- | |
| 6 | 20A-70-11312 | BOOM,2ND | 1001- | |
| 7 | 20A-70-11350 | PLATE | 1001- | |
| 8 | 20A-70-11360 | PLATE | 1001- | |
| 9 | 20A-70-11371 | SHEET | 1001- | |
| 10 | 01435-00820 | BOLT | 1001- | |
| 20A-70-11400 | BOOM ASS'Y,3RD | 1001- | ||
| 11 | \6\ | BOOM,3RD | 1001- | |
| 12 | 20A-70-11220 | BUSHING | 1001- | |
| 13 | 20A-70-11430 | COLLAR | 1001- | |
| 14 | 20A-70-11440 | COLLAR | 1001- | |
| 15 | 20A-70-12231 | SEAL,DUST | 1001- | |
| 16 | 20A-70-11610 | BOOM,4TH | 1001- | |
| 17 | 20A-62-13310 | COVER | 1001- | |
| 18 | 01010-50816 | BOLT | 1001- | |
| 19 | 01643-30823 | WASHER | 1001- |