| Item | Part No. | Part Name | Qty | Serial No. |
| 4A1-6C-10510 | CYLINDER ASSEMBLY, MAIN BOOM | | |
| 1 | 22375KF | ASSEMBLY KIT, BARREL | | |
| 2 | 11706KF | BUSHING (3 IN ID x 3-1/2 IN OD X 4-1/4 IN) | | |
| 3 | 16561KF | NUT, CYLINDER ROD | | |
| 4 | (NSS) | RING, PISTON WEAR | | |
| 5 | (NSS) | RING, PISTON SQUARE | | |
| 6 | (NSS) | RING, PISTON CHEM-CAST | | |
| 7 | (NSS) | O-RING, PISTON | | |
| 4A1-6C-10530 | PISTON ASSEMBLY | | |
| 8 | (NSS) | PISTON | | |
| 9 | (NSS) | RING, ROD BEARING WEAR | | |
| 10 | (NSS) | O-RING, ROD BEARING | | |
| 11 | (NSS) | RING, ROD BEARING BACK-UP | | |
| 12 | 4A1-6C-10520 | HEAD, CYLINDER | | |
| 13 | 4A1-6C-10340 | BOLT | | |
| 14 | (NSS) | U-CUP, ROD BEARING | | |
| 15 | (NSS) | WIPER, ROD | | |
| 16 | 18282KF | ROD ASSEMBLY | | |
| 17 | 10704KF | FITTING, GREASE (0.125 NPT - STR) | | |
| 18 | 11706KF | BUSHING | | |
| 19 | 4A1-6C-10040 | WASHER | | |
| 24570KF | REPAIR KIT, MAIN BOOM SEAL | | |
| 4A1-6C-10620 | PACKING, ROD | | |
| 4A1-6C-10610 | RING, WEAR | | |
| 4A1-30-10150 | O-RING | | |
| 4A1-30-10160 | RING, BACK-UP | | |
| 4A1-6C-10540 | RING, BUFFER | | |
| 4A1-6C-10570 | SEAL, DUST | | |
| 4A1-30-10230 | RING, PISTON | | |
| 4A1-6C-10630 | RING, WEAR | | |
| 4A1-6C-10640 | O-RING | | |
| | | | |
| | F1 - PART INCLUDED IN SERVICE KIT: | | |
