| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | | Steering Hydraulic Piping, Steering Demand Valve Piping (1/5) | | |
| 2 | | Steering Hydraulic Piping, Steering Demand Valve Piping (2/5) | | |
| 3 | | Steering Hydraulic Piping, Steering Demand Valve Piping (3/5) | | |
| 4 | | Steering Hydraulic Piping, Inner Parts, Check Valve | | |
| 5 | | Steering Hydraulic Piping, Steering Demand Valve Piping (4/5) | | |
| 6 | | Steering Hydraulic Piping, Steering Cylinder Piping (1/3) | | |
| 7 | | Steering Hydraulic Piping, Steering Cylinder Piping (2/3) | | |
| 8 | | Steering Hydraulic Piping, Steering Cylinder Piping (3/3) | | |
| 9 | | Steering Hydraulic Piping, Pilot Valve Control Piping (1/3) | | |
| 10 | | Steering Hydraulic Piping, Pilot Valve Control Piping (2/3) (#60001-60007) | | |
| 11 | | Steering Hydraulic Piping, Pilot Valve Control Piping (2/3) (#60008-) | | |
| 12 | | Steering Hydraulic Piping, Steering Demand Valve Piping (5/5) | | |
| 13 | | Steering Hydraulic Piping, Mounting Parts | | |
| 14 | | Steering Hydraulic Piping, Pilot Valve Drain Piping | | |
| 15 | | Steering Hydraulic Piping, Pilot Valve Control Piping (3/3) | | |
