| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | Boom, Boom and Top Pin | |||
| 2 | Boom, Arm Cylinder Piping (1/3) | |||
| 3 | Boom, Arm Cylinder Piping (2/3) | |||
| 4 | Boom, Arm Regeneration Valve | |||
| 5 | Boom, Arm Cylinder Piping (3/3) | |||
| 6 | Boom, Lubrication Piping | |||
| 7 | Boom, Bucket Cylinder Piping, Bottom | |||
| 8 | Boom, Bucket Cylinder Piping, Top | |||
| 9 | Boom, Blind Parts | |||
| 10 | Boom, Pin, Arm Cylinder | |||
| 11 | Boom, Working Lamp |