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Hydraulic Power Unit

Assembly

Tank, pump, motor and valves supplying metered oil to the cylinders. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Hydraulic Power Unit parts and their functions

9 top-level parts · 68 parts in total · full bill of materials below
Hydraulic Power Unit parts diagram: 1 oil reservoir, 2 variable piston pump, 3 pump motor, 4 valve block (manifold), 5 proportional valve, 6 accumulator, 7 oil filter, 8 oil cooler, 9 pressure sensor. 68 parts in 9 top-level items.
Hydraulic Power Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Oil Reservoir 1× Welded steel tank with breather, sight gauge and suction strainer holding the hydraulic oil.
2 Variable Piston Pump 6 parts 1× Variable-displacement axial-piston pump generating system pressure on demand.
3 Pump Motor 5 parts 1× Three-phase induction motor driving the hydraulic pump.
4 Valve Block (Manifold) 5 parts 1× Machined manifold carrying the relief, directional, fill and check valves.
5 Proportional Valve 2× one per cylinder
6 Accumulator 1× Nitrogen-charged bladder accumulator storing pressurised oil for peak demand.
7 Oil Filter 2× pressure and return line
8 Oil Cooler 1× Air-blast heat exchanger holding oil temperature in the working band.
9 Pressure Sensor 2× system and pilot pressure

3D model

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Build & assembly graph

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Bill of materials for Hydraulic Power Unit

9 top-level lines · 32 rows shown · 68 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Oil Reservoir press-brake-hydraulic-tank 1× 1 · part
2 Variable Piston Pump 6 parts press-brake-hydraulic-pump 1× 1 19 assembly
2.1 Cylinder Barrel press-brake-hydraulic-pump-barrel 1× 1 · part
2.2 Swash Plate press-brake-hydraulic-swash-plate 1× 1 · part
2.3 Pump Piston & Shoe press-brake-hydraulic-pump-piston 9× 9 · part
2.4 Ball Bearing ball-bearing 2× 2 · part
2.5 Oil Seal oil-seal 2× 2 · part
2.6 O-Ring Set oring-set 4× 4 · part
3 Pump Motor 5 parts press-brake-hydraulic-motor 1× 1 26 assembly
3.1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
3.1.1 Stator Core (laminations) stator-core 1× 1 · part
3.1.2 Copper Winding copper-winding 1× 1 · part
3.1.3 Slot Insulation stator-insulation 1× 1 · part
3.2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
3.2.1 Rotor Shaft rotor-shaft 1× 1 · part
3.2.2 Rotor Core rotor-core 1× 1 · part
3.2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
3.2.4 Ball Bearing ball-bearing 1× 1 · part
3.3 Motor Housing press-brake-hydraulic-motor-housing 1× 1 · part
3.4 Ball Bearing ball-bearing 2× 2 · part
3.5 Oil Seal oil-seal 1× 1 · part
4 Valve Block (Manifold) 5 parts press-brake-hydraulic-valve-block 1× 1 14 assembly
4.1 Pressure Relief Valve press-brake-hydraulic-relief-valve 1× 1 · part
4.2 Directional Control Valve press-brake-hydraulic-directional-valve 1× 1 · part
4.3 Prefill (Fill) Valve press-brake-hydraulic-fill-valve 2× 2 · part
4.4 Check Valve press-brake-hydraulic-check-valve 2× 2 · part
4.5 O-Ring Set oring-set 8× 8 · part
5 Proportional Valve press-brake-hydraulic-prop-valve 2× 2 · part
6 Accumulator press-brake-hydraulic-accumulator 1× 1 · part
7 Oil Filter press-brake-hydraulic-filter 2× 2 · part
8 Oil Cooler press-brake-hydraulic-cooler 1× 1 · part
9 Pressure Sensor pressure-sensor 2× 2 · part

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Where the hydraulic power unit is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used 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
VendorHQSpecialtyMOQLead time
🇮🇳Kirloskar
kbl.co.in ↗
Pune, IN Pumps & fluid systems 200 units 6–10 wks
🇨🇳Leo Group
leo.com.cn ↗
Taizhou, CN Pumps 200 units 6–10 wks
🇮🇳Shakti Pumps
shaktipumps.com ↗
Pithampur, IN Pumps 200 units 6–10 wks
🇨🇳CNP Pumps
cnppumps.com ↗
Hangzhou, CN Pumps 200 units 6–10 wks
🇮🇳Roto Pumps
rotopumps.com ↗
Noida, IN Pumps 200 units 6–10 wks