| Item | Part No. | Part Name | Qty | Serial No. |
| 4A1-6C-10760 | CYLINDER ASSEMBLY, MAIN BOOM | A4057-- | ||
| 1 | 4A1-6C-10590 | BARREL ASSEMBLY | A4057-- | |
| 2 | 11706KF | BUSHING | A4057-- | |
| 3 | 4A1-6C-10780 | ROD ASSEMBLY | A4057-- | |
| 4 | 4A1-6C-10790 | ROD BEARING | A4057-- | |
| 5 | 4A1-6C-10560 | RING, SNAP | A4057-- | |
| 6 | 4A1-6C-10810 | SEAL KIT, ROD BEARING | A4057-- | |
| 7 | (NSS) | SEAL, BUFFER | A4057-- | |
| 8 | (NSS) | SEAL, ROD | A4057-- | |
| 9 | (NSS) | SEAL, DUST | A4057-- | |
| 10 | (NSS) | RING, BACKUP | A4057-- | |
| 11 | (NSS) | O-RING | A4057-- | |
| 12 | (NSS) | ROD, WEAR RING | A4057-- | |
| 13 | 4A1-6C-10820 | PISTON | A4057-- | |
| 14 | 4A1-6C-10830 | SEAL KIT, PISTON | A4057-- | |
| 15 | (NSS) | O-RING | A4057-- | |
| 16 | (NSS) | WEAR RING, PISTON | A4057-- | |
| 17 | (NSS) | SEAL, PISTON | A4057-- | |
| 18 | 4A1-6C-10840 | NUT, SELF LOCK | A4057-- | |
| 19 | 4A1-6C-10040 | WASHER | A4057-- | |
| 20 | 4A1-6C-10340 | BOLT | A4057-- | |
| 21 | (NSS) | PLUG, STEEL PRESSURE | A4057-- | |
| 22 | (NSS) | PLUG, STEEL PRESSURE | A4057-- |
