| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20A-70-11131 | PIN,BOOM BOTTOM | 1001- | |
| 2 | 20A-70-11141 | PIN,BOOM TOP | 1001- | |
| 3 | 20A-70-11150 | PIN,BOOM CYLINDER BOTTOM | 1001- | |
| 4 | 20A-70-11160 | PIN,BOOM CYLINDER TOP | 1001- | |
| 5 | 01010-51025 | BOLT | 1001- | |
| 6 | 01010-51020 | BOLT | 1001- | |
| 7 | 01643-31032 | WASHER | 1001- | |
| 8 | 20A-70-11320 | PIN,BOOM ROD | 1001- | |
| 9 | 01010-51020 | BOLT | 1001- | |
| 10 | 01643-31032 | WASHER | 1001- | |
| 11 | 20A-70-11330 | PIN,3RD BOOM BOTTOM | 1001- | |
| 12 | 20A-70-11620 | PIN,3RD BOOM TOP | 1001- | |
| 13 | 04082-00212 | LOCK | 1001- | |
| 14 | 01010-51225 | BOLT | 1001- | |
| 15 | 01643-31232 | WASHER | 1001- | |
| 16 | 20A-70-11640 | PIN,ARM BOTTOM | 1001- | |
| 17 | 01010-51020 | BOLT | 1001- | |
| 18 | 01643-31032 | WASHER | 1001- | |
| 19 | 20A-70-11340 | PIN,OFFSET CYLINDER | 1001- | |
| 20 | 20A-70-11420 | PIN,OFFSET ROD | 1001- | |
| 21 | 01010-51020 | BOLT | 1001- | |
| 22 | 01643-31032 | WASHER | 1001- | |
| 23 | 20A-70-11630 | PIN,ARM CYLINDER | 1001- | |
| 24 | 01010-51020 | BOLT | 1001- | |
| 25 | 01643-31032 | WASHER | 1001- | |
| 20A-70-11201 | ROD ASS'Y,BOOM | 1001- | ||
| 26 | \6\ | ROD,BOOM | 1001- | |
| 27 | 20A-70-11220 | BUSHING | 1001- | |
| 28 | 20A-70-12231 | SEAL,DUST | 1001- | |
| 20A-70-11500 | ROD ASS'Y,OFFSET | 1001- | ||
| 29 | \6\ | ROD,OFFSET | 1001- | |
| 30 | 20A-70-11520 | BUSHING | 1001- | |
| 31 | 20A-70-12211 | SEAL,DUST | 1001- | |
| 32 | 21S-70-11440 | SPACER¤ 1.0MM | 1001- | |
| 33 | 20N-70-11280 | SPACER¤ 1.0MM | 1001- | |
| 34 | 20N-70-41270 | SPACER¤ 1.0MM | 1001- |