| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | | Anti-drop Valve Piping, Boom Cylinder Piping, R.H. | | |
| 2 | | Anti-drop Valve Piping, Boom Cylinder Piping, L.H. | | |
| 3 | | Anti-drop Valve Piping, Chassis Side (#80001-80170) | | |
| 4 | | Anti-drop Valve Piping, Chassis Side (#80171-) | | |
| 5 | | Anti-drop Valve Piping, Chassis Side Piping (#80001-80170) | | |
| 6 | | Anti-drop Valve Piping, Chassis Side Piping (#80171-) | | |
| 7 | | Anti-drop Valve Piping, Boom Anti-drop Valve (1/2) | | |
| 8 | | Anti-drop Valve Piping, Boom Anti-drop Valve (2/2) | | |
| 9 | | Anti-drop Valve Piping, Tube (#80001-80609) | | |
| 10 | | Anti-drop Valve Piping, Tube (#80610-) | | |
| 11 | | Anti-drop Valve Piping, Arm Anti-drop Valve | | |
| 12 | | Anti-drop Valve Piping, Arm Anti-drop Valve Mounting | | |
| 13 | | Anti-drop Valve Piping, Arm Anti-drop Valve Piping (#80001-80170) | | |
| 14 | | Anti-drop Valve Piping, Arm Anti-drop Valve Piping (#80171-) | | |
