| Item | Part No. | Part Name | Qty | Serial No. |
| 21K-63-56501 | CYLINDER ASS'Y \,BOOM¤ L.H. | | 4208- |
| 21K-63-56500 | CYLINDER ASS'Y \,BOOM¤ L.H. | | 3001-4207 |
| 21K-63-56601 | CYLINDER ASS'Y \,BOOM¤ R.H. | | 4208- |
| 21K-63-56600 | CYLINDER ASS'Y \,BOOM¤ R.H. | | 3001-4207 |
| 21K-63-56511 | CYLINDER SUB ASS'Y | | 4208- |
| 21K-63-56510 | CYLINDER SUB ASS'Y | | 3001-4207 |
| 1 | 21K-63-56540 | CYLINDER | | 3001- |
| 2 | 707-76-70040 | BUSHING | | 3001- |
| 3 | 07145-00070 | SEAL,DUST | | 3001- |
| 4 | 707-27-11372 | HEAD,CYLINDER | | 4208- |
| 707-27-11371 | HEAD,CYLINDER | | 3001-4207 |
| 5 | 07177-07530 | BUSHING | | 3001- |
| 6 | 707-51-75211 | PACKING,ROD | | 3001- |
| 7 | 144-63-94170 | SEAL,DUST | | 3001- |
| 8 | 07179-00097 | RING,SNAP | | 3001- |
| 9 | 07000-12105 | O-RING | | 3001- |
| 10 | 07146-02106 | RING,BACK-UP | | 3001- |
| 11 | 01010-81655 | BOLT | | 3001- |
| 12 | 21K-63-56520 | ROD | | 3001- |
| 13 | 707-76-70040 | BUSHING | | 3001- |
| 14 | 07145-00070 | SEAL,DUST | | 3001- |
| 15 | 707-36-11461 | PISTON | | 4208- |
| 707-36-11460 | PISTON | | 3001-4207 |
| 16 | 707-44-11080 | RING,PISTON | | 3001- |
| 17 | 07155-01125 | RING,WEAR | | 3001- |
| 18 | 707-68-10580 | NUT | | 3001- |
| 19 | 07020-00675 | FITTING,GREASE | | 3001- |
| 20 | 21K-63-56580 | TUBE,L.H. | | 3001- |
| 21K-63-56680 | TUBE,R.H. | | 3001- |
| 21 | 21K-63-56570 | TUBE,L.H. | | 3001- |
| 21K-63-56670 | TUBE,R.H. | | 3001- |
| 22 | 07000-13030 | O-RING | | 3001- |
| 23 | 01010-50845 | BOLT | | 3001- |
| 24 | 01010-50855 | BOLT | | 3001- |
| 25 | 01602-20825 | WASHER,SPRING | | 3001- |
| 26 | 707-88-99100 | BRACKET | | 3001- |
| 27 | 707-88-99120 | BAND | | 3001- |
| 28 | 01010-51035 | BOLT | | 3001- |
| 29 | 01602-21030 | WASHER,SPRING | | 3001- |
| 30 | 07283-22738 | CLIP | | 3001- |
| 31 | 01599-01011 | NUT | | 3001- |
| 32 | 01643-31032 | WASHER | | 3001- |
