Hydraulic Drive Unit

Assembly

Centrifugal Pump.jpg · Commons ↗ Report photo

Compact pump-and-ram group, mounted in the pit or in a remote cabinet, that raises the cylinder in 3–7 seconds and lets it descend under control.

Direct parts	7
Total parts	12
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

Compact pump-and-ram group, mounted in the pit or in a remote cabinet, that raises the cylinder in 3–7 seconds and lets it descend under control. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Hydraulic Drive Unit parts and their functions

7 top-level parts · 12 parts in total · full bill of materials below

Hydraulic Drive Unit parts diagram: 1 hydraulic power pack, 2 lift ram, 3 valve block, 4 hydraulic accumulator, 5 hydraulic hose set, 6 oil seal, 7 o-ring set. 12 parts in 7 top-level items. — Hydraulic Drive Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Hydraulic Power Pack 5 parts	1×	Motor-pump group
2	Lift Ram	1×	Lift cylinder
3	Valve Block	1×	Flow control
4	Hydraulic Accumulator	1×	Emergency-raise reserve
5	Hydraulic Hose Set	1×	Pressure lines
6	Oil Seal	2×	Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.
7	O-Ring Set	1×	Set of elastomer rings seated in grooves to seal static or slow-moving joints against fluid and gas, sized to ISO 3601.

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 Drive Unit

7 top-level lines · 12 rows shown · 12 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Hydraulic Power Pack 5 parts	automatic-bollard-power-pack	1×	1	5	assembly
1.1	Pump Motor	automatic-bollard-pump-motor	1×	1	·	part
1.2	Gear Pump	automatic-bollard-gear-pump	1×	1	·	part
1.3	Oil Reservoir	automatic-bollard-reservoir	1×	1	·	part
1.4	Suction Filter	automatic-bollard-filter	1×	1	·	part
1.5	Pressure Sensor	pressure-sensor	1×	1	·	part
2	Lift Ram	automatic-bollard-ram	1×	1	·	part
3	Valve Block	automatic-bollard-valve-block	1×	1	·	part
4	Hydraulic Accumulator	automatic-bollard-accumulator	1×	1	·	part
5	Hydraulic Hose Set	automatic-bollard-hose-set	1×	1	·	part
6	Oil Seal	oil-seal	2×	2	·	part
7	O-Ring Set	oring-set	1×	1	·	part

Something wrong in this list? Report a problem with this BOM.

Where the hydraulic drive unit is used

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

Building & Construction Products 1 Automatic Rising Bollard

Used in 1 assembly

Automatic Rising Bollard

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
🇮🇳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