| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 226-61-11340 | 2ND BOOM CYLINDER, ASSY. | 21D0220079-21D0220355 | |
| 2 | 21D-61-16121 | PISTON ROD | 21D0220079-21D0220355 | |
| 3 | 21D-61-16170 | BUSHING | 21D0220079-21D0220355 | |
| 4 | 21D-09-13110 | SCREW | 21D0220079-21D0220355 | |
| 5 | 21D-09-73700 | SPRING WASHER | 21D0220079-21D0220355 | |
| 6 | 21D-61-16130 | COVER | 21D0220079-21D0220355 | |
| 7 | 21D-61-12140 | RING | 21D0220079-21D0220355 | |
| 8 | 21D-61-16140 | CYLINDER HEAD | 21D0220079-21D0220355 | |
| 9 | 21D-61-16151 | PISTON | 21D0220079-21D0220355 | |
| 10 | 21D-09-24480 | NUT | 21D0220079-21D0220355 | |
| 11 | 21D-61-16111 | CYLINDER | 21D0220079-21D0220355 | |
| 12 | 21D-61-16180 | BUSHING | 21D0220079-21D0220355 | |
| \12 | 226-61-11320 | KIT, GASKET | 21D0220079-21D0220355 | |
| 13 | 21D-09-67120 | GASKET | 21D0220079-21D0220355 | |
| 14 | 07145-00050 | SEAL, DUST | 21D0220079-21D0220355 | |
| 15 | 855021824 | O-RING | 21D0220079-21D0220355 | |
| 16 | 855080824 | RING, WEAR | 21D0220079-21D0220355 | |
| 17 | 855661048 | GASKET | 21D0220079-21D0220355 | |
| 18 | 855021158 | O-RING | 21D0220079-21D0220355 | |
| 19 | 21D-09-67350 | PACKING ROD | 21D0220079-21D0220355 | |
| 20 | 21D-09-67440 | GASKET | 21D0220079-21D0220355 | |
| 21 | 21D-09-67380 | GASKET | 21D0220079-21D0220355 | |
| 22 | 21D-09-69980 | O-RING | 21D0220079-21D0220355 | |
| 23 | 21D-09-65170 | RING, WEAR | 21D0220079-21D0220355 | |
| 24 | 21D-09-67230 | PACKING ROD | 21D0220079-21D0220355 | |
| 25 | 855661206 | GASKET | 21D0220079-21D0220355 | |
| 26 | 21D-09-89140 | FITTING | 21D0220079-21D0220355 | |
| 27 | 226-61-11331 | PIPE | 21D0220079-21D0220355 | |
| 28 | 21D-09-69870 | O-RING | 21D0220079-21D0220355 | |
| 29 | 21D-09-69770 | O-RING | 21D0220079-21D0220355 | |
| 30 | 01252-40825 | SCREW | 21D0220079-21D0220355 | |
| 31 | 21D-09-73690 | SPRING WASHER | 21D0220079-21D0220355 | |
| 32 | 226-61-11110 | FLANGE | 21D0220079-21D0220355 | |
| 33 | 21D-09-69870 | O-RING | 21D0220079-21D0220355 | |
| 34 | 21D-09-69770 | O-RING | 21D0220079-21D0220355 |