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Hydraulic power units
D&D Ricambi Srl: the leader on supply of hydraulic components and systems
hydraulic components for construction, earthmoving, agricultural and industrial machinery


D&D standard hydraulic power units and modules can supply the power your manufacturing operations require from your hydraulic drive solutions.

D&D power packs are designed to industrial standards and feature a wide range of fixed and variable displacement pumps along with an unmatched choice of options and accessories to meet your application needs. D&D standard power units range from 2-1/2 to 200 gallon units, providing power up to 75 HP and 65 GPM, with operating pressures to 3200 PSI depending on the model. D&D power packs are optimized to offer competitive pricing and quick delivery. 


D&D offers hydraulic power units for industrial, mobile and aerospace applications. Standard, compact and custom power units are available from D&D. Hydraulic power units consisting of pumps, reservoirs, relief valves, filters, sight gages, and filler breathers from D&D deliver reliable power for hydraulic systems.

Compact power units from D&D may have single or bi-directional rotation, internal valving, load hold checks and relief valves. They may be used to charge accumulators, power hydraulic motors and cylinders, provide pilot flow to servo valves, pressurize lube systems and supply multifunction circuits with external valving.

D&D hydraulic power packs and power units are the heart of the hydraulic system.

Power unit types and styles:

Compact AC or DC units
Standard vertical, submerged or flooded suction designs
Electrohydraulic power modules for aerospace applications
Standard D-Pak, H-Pak, and V-Pak series
Custom Systems
Gear, vane or piston pumps

D&D hydraulic power units come in an endless variety of pressure and flow ranges, reservoir capacities, materials, and fluid compatibility.

D&D power unit benefits

Quieter operation
Elimination of potential leak point
Improved diagnostics
Protects against system shock

D&D hydraulic power units meet a wide variety of industry standards, including:

Automotive, machine tool and industrial machinery
Mobile equipment


A modular hydraulic power unit forms the basis for a wide range of mobile and industrial systems. Typical applications include plant trailers, scissor lifts, tipping trucks, access control and security equipment as well as a variety of industrial machinery. Hydraproducts offers its worldwide OEMs and distributors reliable products through design and manufacturing expertise.

The versatile hydraulic power pack range comprises three core product types.

Standard power pack
Mini power pack
Micro power pack

Each type is expertly configured to ensure reliable fluid power performance in hydraulic installations.
Standard hydraulic power pack

These are conventional hydraulic power units using a standard range of modular components for easy specification, assembly and maintenance in the most demanding industrial applications. With motors up to 30 kW, flow rates to 100 Litres/minute, tank capacities to 180 litres and pressure capability to 250 bar, we can offer a standard power pack to meet most industrial requirements.
Mini hydraulic power packs

These fit into the range between our micro and standard units for applications requiring up to 5.5 kW. They offer a flexible platform of AC or DC hydraulic power unit for single and double-acting applications to 30 litres/minute, with tank capacities between 1 and 100 litres and pressure to 250 bar.
Micro hydraulic power units

Initially designed for mobility applications, they are perfect wherever hydraulic power is needed but space is limited. Designed around an 89 mm-square footprint, each micro hydraulic power unit is available as an HPR reversible or HPU uni-directional build. With 150–800 W DC and 150-375 W AC motors flow rates of 5 litres/minute are possible, whilst pressures of 200 bar can be reached.

From the most compact unit to our largest standard AC hydraulic power unit, the common denominators are the quality of in-house design and manufacturing, experience in hydraulic power and the care with which every product in each hydraulic power pack range is matched to your requirements.


These can be built strictly in accordance with client specifications or D&D can offer a full functional design specification service in the absence of any specific requirements, this will be detailed by our team of engineers whilst working closely with the client, ensuring the best possible technical and commercial solution is offered.

The Hydraulic Power Unit (HPU) system delivers low and high pressure filtered hydraulic fluid to topside and subsea control valves; these units can be designed as fully enclosed or as open framework and generally comprises of supply and return reservoirs, dual electrically driven hydraulic pumps, accumulators, filters and associated control and instrumentation for both, the LP hydraulic supply circuits and the HP hydraulic supply circuits.

The simplicity or complexity of the Hydraulic Power Units is purely down to the clients request based on the requirements of the project, D&D can offer a fully standalone autonomous power unit whereby all control and instrumentation devices are terminated within our Programmable Logic Controller (PLC), allowing fully automatic control of the system; (monitoring and controlling pump set pressures, reservoir levels, fluid cleanliness, filtration status, etc.) coupled together with communication links to the Master Control System (MCS) for operation monitoring and control.

Alternatively control and instrumentation devices can we wired back to integral junction boxes for direct connection to the Master Control System (MCS), allowing control and monitoring to be performed from a central location.

Our employed, competency assured, trained team of technicians are fully conversant with many types of exotic materials and fittings, including but not limited to:-

316 Stainless Steel
Incoloy 825
Super Duplex
Parker A-Lok
Parker MPI



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  Hydraulic power units
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  Mini power Units
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  Submerged hydraulic power units
  Reversible power units
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  Two stage hydraulic power units
  Mini power packs group 1 pumps
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  Hydraulic power units





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Thanks to the know-how and partnerships with global leaders suppliers of hydraulic components, our organization is able to offer customers the best solutions.

Our technical department is available to suggest the best solutions for every need.
Besides standard products supply, D&D Ricambi Srl provides custom solutions for small quantitatives.
SP 231 Km 80,176 - 70026 Modugno (Ba)
Fax +39 080.5352723  e-mail:info@dedricambi.it



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