| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | | Hydraulic Piping, Piston Pump to Hydraulic Tank | | |
| 2 | | Hydraulic Piping, Piston Pump Related Parts | | |
| 3 | | Hydraulic Piping, Priority Valve | | |
| 4 | | Hydraulic Piping, Priority Valve Piping | | |
| 5 | | Hydraulic Piping, Strainer and Piping (#55001-56009) | | |
| 6 | | Hydraulic Piping, Strainer and Piping (#56010-) | | |
| 7 | | Hydraulic Piping, Return Piping (1/2) | | |
| 8 | | Hydraulic Piping, Return Piping (2/2) | | |
| 9 | | Hydraulic Piping, Inner Parts, Charge Valve (#55001-55694) | | |
| 10 | | Hydraulic Piping, Inner Parts, Charge Valve (#55695-) | | |
| 11 | | Hydraulic Piping, Charge Valve Related Parts | | |
| 12 | | Hydraulic Piping, Parking Brake Valve | | |
| 13 | | Hydraulic Piping, Charge Valve Piping | | |
| 14 | | Hydraulic Piping, Hose Clamp | | |
| 15 | | Hydraulic Piping, Drive Case | | |
| 16 | | Hydraulic Piping, Fan Motor Piping | | |
| 17 | | Hydraulic Piping, Parking Brake Piping | | |
| 18 | | Hydraulic Piping, LS Piping (1/3) | | |
| 19 | | Hydraulic Piping, LS Piping (2/3) | | |
| 20 | | Hydraulic Piping, LS Piping (3/3) | | |
| 21 | | Hydraulic Piping, Ripper Piping | | |
