Hydraulic System
AssemblyMain pumps, control valve, reservoir, and hoses powering the front end and swing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Hydraulic System parts and their functions
8 top-level parts · 59 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Main Hydraulic Pump 5 parts | 2× | Twin variable piston pumps |
| 2 | Main Control Valve 4 parts | 1× | Sectional spool valve bank |
| 3 | Pilot Pump | 1× | Gear pump supplying pilot pressure |
| 4 | Hydraulic Tank | 1× | Reservoir and return filter |
| 5 | Hydraulic Oil Cooler | 1× | Oil cooler |
| 6 | Center Swivel Joint 4 parts | 1× | Center rotary union feeding the undercarriage |
| 7 | Hydraulic Hose | 16× | High-pressure hoses and fittings |
| 8 | Pressure Sensor | 4× | System and front-end pressure sensors |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Hydraulic System
8 top-level lines · 21 rows shown · 59 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Hydraulic Pump 5 parts | long-reach-excavator-main-pump | 2× | 2 | 7 | assembly |
| 1.1 | Pump Rotary Group | long-reach-excavator-pump-rotary-group | 1× | 2 | · | part |
| 1.2 | Pump Regulator | long-reach-excavator-pump-regulator | 1× | 2 | · | part |
| 1.3 | Pump Housing | long-reach-excavator-pump-housing | 1× | 2 | · | part |
| 1.4 | Ball Bearing | ball-bearing | 2× | 4 | · | part |
| 1.5 | Oil Seal | oil-seal | 2× | 4 | · | part |
| 2 | Main Control Valve 4 parts | long-reach-excavator-control-valve | 1× | 1 | 15 | assembly |
| 2.1 | Valve Spool | long-reach-excavator-valve-spool | 8× | 8 | · | part |
| 2.2 | Relief Valve | long-reach-excavator-relief-valve | 4× | 4 | · | part |
| 2.3 | Valve Body | long-reach-excavator-valve-body | 1× | 1 | · | part |
| 2.4 | O-Ring Set | oring-set | 2× | 2 | · | part |
| 3 | Pilot Pump | long-reach-excavator-pilot-pump | 1× | 1 | · | part |
| 4 | Hydraulic Tank | long-reach-excavator-hydraulic-tank | 1× | 1 | · | part |
| 5 | Hydraulic Oil Cooler | long-reach-excavator-hydraulic-cooler | 1× | 1 | · | part |
| 6 | Center Swivel Joint 4 parts | long-reach-excavator-swivel-joint | 1× | 1 | 7 | assembly |
| 6.1 | Swivel Spindle | long-reach-excavator-swivel-spindle | 1× | 1 | · | part |
| 6.2 | Swivel Body | long-reach-excavator-swivel-body | 1× | 1 | · | part |
| 6.3 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 6.4 | Oil Seal | oil-seal | 4× | 4 | · | part |
| 7 | Hydraulic Hose | long-reach-excavator-hydraulic-hose | 16× | 16 | · | part |
| 8 | Pressure Sensor | pressure-sensor | 4× | 4 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the hydraulic system is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $5–$2k. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| kbl.co.in ↗ | Pune, IN | Pumps & fluid systems | 200 units | 6–10 wks |
| leo.com.cn ↗ | Taizhou, CN | Pumps | 200 units | 6–10 wks |
| shaktipumps.com ↗ | Pithampur, IN | Pumps | 200 units | 6–10 wks |
| cnppumps.com ↗ | Hangzhou, CN | Pumps | 200 units | 6–10 wks |
| rotopumps.com ↗ | Noida, IN | Pumps | 200 units | 6–10 wks |