| Item | Part No. | Part Name | Qty | Serial No. |
| G1 | (\8\21J-63-X2500) | CYLINDER GROUP,BOOM L.H. | 1201- | |
| (\8\21J-63-X2301) | CYLINDER GROUP,BOOM L.H. | 1001-1200 | ||
| (\8\21J-63-X2510) | CYLINDER GROUP,BOOM R.H. | 1201- | ||
| (\8\21J-63-X2311) | CYLINDER GROUP,BOOM R.H. | 1001-1200 | ||
| ==================== | ||||
| 21J-63-02500 | CYLINDER ASS'Y,BOOM | 1201- | ||
| 21J-63-02300 | CYLINDER ASS'Y,BOOM | 1001-1200 | ||
| 1 | 21J-63-52740 | CYLINDER | 1201- | |
| 21J-63-52141 | CYLINDER | 1001-1200 | ||
| 2 | 707-76-70230 | BUSHING | 1001- | |
| 3 | 07145-00070 | SEAL,DUST (KIT) | 1001- | |
| 4 | 07020-00675 | FITTING,GREASE | 1001- | |
| 5 | 707-27-95921 | HEAD,CYLINDER | 1201- | |
| 707-27-95620 | HEAD,CYLINDER | 1001-1200 | ||
| 6 | 707-52-90420 | BUSHING | 1201- | |
| 707-52-90400 | BUSHING | 1001-1200 | ||
| 7 | 707-51-65030 | PACKING,ROD (KIT) | 1001- | |
| 8 | 707-51-65630 | RING,BUFFER (KIT) | 1001- | |
| 9 | 07000-15085 | O-RING | 1201- | |
| 07000-15090 | O-RING (KIT) | 1001-1200 | ||
| 10 | 707-35-90970 | RING,BACK-UP | 1201- | |
| 07001-05090 | RING,BACK-UP (KIT) | 1001-1200 | ||
| 11 | 144-63-92170 | SEAL,DUST (KIT) | 1001- | |
| 12 | 07179-12079 | RING,SNAP | 1001- | |
| 13 | 01010-81465 | BOLT | 1001- | |
| 14 | 705-17-04980 | WASHER | 1001- | |
| 15 | 21J-63-52720 | ROD | 1201- | |
| 21J-63-52120 | ROD | 1001-1200 | ||
| 16 | 707-76-70230 | BUSHING | 1001- | |
| 17 | 07145-00070 | SEAL,DUST (KIT) | 1001- | |
| 18 | 707-36-95531 | PISTON | 1201- | |
| 707-36-95410 | PISTON | 1001-1200 | ||
| 18A | 707-34-55020 | O-RING (KIT) | 1201- | |
| 18B | 707-35-90610 | RING,BACK-UP (KIT) | 1201- | |
| 19 | 707-44-95180 | RING,PISTON (KIT) | 1001- | |
| 20 | 707-39-95120 | RING,WEAR (KIT) | 1001- | |
| 21 | 707-44-95911 | RING | 1001- | |
| 22 | 01310-01016 | SCREW | 1201- | |
| 07165-14547 | NUT,NYLON | 1001-1200 | ||
| 23 | 21J-63-52770 | TUBE,L.H. | 1201- | |
| 21J-63-52170 | TUBE,L.H. | 1001-1200 | ||
| 21J-63-52870 | TUBE,R.H. | 1201- | ||
| 21J-63-52270 | TUBE,R.H. | 1001-1200 | ||
| 24 | 21J-63-52180 | TUBE,L.H. | 1001- | |
| 21J-63-52280 | TUBE,R.H. | 1001- | ||
| 25 | 07000-13025 | O-RING (KIT) | 1001- | |
| 26 | 01010-80850 | BOLT | 1001- | |
| 27 | 01643-50823 | WASHER | 1001- | |
| 28 | 707-88-96950 | BAND | 1001- | |
| 29 | 21J-63-52191 | BRACKET | 1001- | |
| 30 | 01010-81035 | BOLT | 1001- | |
| 31 | 01643-51032 | WASHER | 1001- | |
| 32 | 01010-81030 | BOLT | 1001- | |
| 33 | 01643-31032 | WASHER | 1001- | |
| ==================== | ||||
| SERVICE KIT | ||||
| KIT | 707-98-36250 | SERVICE KIT,1ST BOOM | 1201- | |
| 707-98-36200 | SERVICE KIT,1ST BOOM | 1001-1200 |