Hydraulic System
AssemblyMain pumps, control valve, travel and swing motors, and cylinders. 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
7 top-level parts · 85 parts in total · full bill of materials below| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Main Hydraulic Pump 6 parts | 1× | Twin variable-displacement piston pump |
| 2 | Pilot Gear Pump | 1× | Gear pump supplying pilot pressure |
| 3 | Main Control Valve 5 parts | 1× | Sectional spool valve bank |
| 4 | Travel Drive Motor 5 parts | 2× | Track drive motors, one per side |
| 5 | Hydraulic Tank | 1× | Reservoir and return filter |
| 6 | Hydraulic Hose | 16× | High-pressure hoses and fittings |
| 7 | Pressure Sensor | 3× | Pump and system 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
7 top-level lines · 27 rows shown · 85 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Hydraulic Pump 6 parts | track-excavator-main-pump | 1× | 1 | 12 | assembly |
| 1.1 | Pump Rotary Group | track-excavator-pump-rotary-group | 2× | 2 | · | part |
| 1.2 | Swash Plate | track-excavator-swash-plate | 2× | 2 | · | part |
| 1.3 | Pump Regulator | track-excavator-regulator | 1× | 1 | · | part |
| 1.4 | Gearbox Housing | gearbox-housing | 1× | 1 | · | part |
| 1.5 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 1.6 | Oil Seal | oil-seal | 2× | 2 | · | part |
| 2 | Pilot Gear Pump | track-excavator-pilot-pump | 1× | 1 | · | part |
| 3 | Main Control Valve 5 parts | track-excavator-control-valve | 1× | 1 | 22 | assembly |
| 3.1 | Valve Spool | track-excavator-valve-spool | 9× | 9 | · | part |
| 3.2 | Relief Valve | track-excavator-relief-valve | 4× | 4 | · | part |
| 3.3 | Load Check Valve | track-excavator-check-valve | 6× | 6 | · | part |
| 3.4 | O-Ring Set | oring-set | 2× | 2 | · | part |
| 3.5 | Valve Body | track-excavator-valve-body | 1× | 1 | · | part |
| 4 | Travel Drive Motor 5 parts | track-excavator-travel-motor | 2× | 2 | 15 | assembly |
| 4.1 | Motor Rotary Group | track-excavator-motor-rotary-group | 1× | 2 | · | part |
| 4.2 | Travel Parking Brake | track-excavator-travel-brake | 1× | 2 | · | part |
| 4.3 | Ball Bearing | ball-bearing | 2× | 4 | · | part |
| 4.4 | Oil Seal | oil-seal | 2× | 4 | · | part |
| 4.5 | Travel Reduction Gear 4 parts | track-excavator-travel-reduction | 1× | 2 | 9 | assembly |
| 4.5.1 | Helical Gear Pair | gear-pair | 2× | 4 | · | part |
| 4.5.2 | Gearbox Housing | gearbox-housing | 1× | 2 | · | part |
| 4.5.3 | Ball Bearing | ball-bearing | 4× | 8 | · | part |
| 4.5.4 | Oil Seal | oil-seal | 2× | 4 | · | part |
| 5 | Hydraulic Tank | track-excavator-hydraulic-tank | 1× | 1 | · | part |
| 6 | Hydraulic Hose | track-excavator-hydraulic-hose | 16× | 16 | · | part |
| 7 | Pressure Sensor | pressure-sensor | 3× | 3 | · | 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 |