| Item | Part No. | Part Name | Qty | Serial No. |
| G1 | (\8\20U-63-X2301) | BOOM CYLINDER GROUP | 12800- | |
| G1 | (\8\20U-63-X2300) | BOOM CYLINDER GROUP | 8001-12799 | |
| ==================== | ||||
| 20U-63-02301 | CYLINDER ASS'Y,BOOM | 8001- | ||
| 20U-63-02300 | CYLINDER ASS'Y,BOOM | 8001- | ||
| 1 | 20U-63-57140 | CYLINDER,BOOM | 8001- | |
| 2 | 23T-870-1290 | BUSHING | 12800- | |
| 707-76-50471 | BUSHING | 8001-12799 | ||
| 3 | 07145-00050 | SEAL,DUST (KIT) | 8001- | |
| 4 | 07020-00000 | FITTING,GREASE | 8001- | |
| 5 | 707-29-10330 | HEAD,CYLINDER | 8001- | |
| 6 | 07177-05530 | BUSHING | 8001- | |
| 7 | 707-51-55211 | PACKING,ROD (KIT) | 8001- | |
| 8 | 707-56-55510 | SEAL,DUST (KIT) | 8001- | |
| 9 | 07179-12069 | RING,SNAP | 8001- | |
| 10 | 07000-12095 | O-RING (KIT) | 8001- | |
| 11 | 07146-02096 | RING,BACK-UP (KIT) | 8001- | |
| 12 | 07000-02100 | O-RING (KIT) | 8001- | |
| 13 | 20U-63-56220 | ROD,PISTON | 8001- | |
| 14 | 707-76-50740 | BUSHING | 12800- | |
| 707-76-50040 | BUSHING | 8001-12799 | ||
| 15 | 07145-00050 | SEAL,DUST (KIT) | 8001- | |
| 16 | 707-71-70630 | PLUNGER | 8001- | |
| 17 | 707-36-10340 | PISTON | 8001- | |
| 18 | 707-44-10180 | RING,PISTON (KIT) | 8001- | |
| 19 | 07156-01012 | RING,WEAR (KIT) | 8001- | |
| 20 | 01580-03629 | NUT | 8001- | |
| 21 | 20U-63-57170 | TUBE | 8001- | |
| 22 | 20U-63-56581 | TUBE | 8001- | |
| 23 | 01010-81025 | BOLT | 12800- | |
| 01010-51025 | BOLT | 8001-12799 | ||
| 24 | 01643-31032 | WASHER | 8001- | |
| ==================== |