Gear pump

External Gear Pump, Group 3PDF (20~71cm³/rev.)

Parker PGP Gear Pump Replacement – HENGYUHANG 3PDF External Gear Pump

HENGYUHANG 3PDF external gear pump is a reliable and cost-effective Parker PGP gear pump replacement for hydraulic systems requiring stable flow, high efficiency and long service life.

As a professional external gear pump manufacturer, HENGYUHANG designs and produces hydraulic gear pumps that meet international mounting and performance standards, allowing direct replacement of Parker PGP series gear pumps without modification of the hydraulic system

Technical Information

Displacement: 20~71cm³/rev.

Rotation direction: clockwise (D), counter-clockwise(S), reversible (R)

Min. speed: 400~600r/min

Max. speed: 2500~3500r/min

Peak pressure: 220~280bar

Served Industry

Construction machinery, Sanitation vehicles, Hydraulic systems

Features

High efficiency, long life service

High performance even at low speeds

Multiple oil port and shaft extension options available

Leakage-free shaft seal

Optional reversible pump and motor


Description


Professional External Gear Pump Manufacturer for Parker PGP Replacement

HENGYUHANG is an experienced hydraulic gear pump manufacturer specializing in external gear pumps for mobile and industrial hydraulic systems.

The 3PDF series gear pump is manufactured with precision-machined components and strict quality control. Its stable pressure output, low noise performance and durable structure make it a proven Parker PGP gear pump alternative for global customers.


Why Choose 3PDF as a Parker PGP Gear Pump Replacement

  • Compatible mounting dimensions with Parker PGP gear pumps

  • Stable flow and pressure output

  • High volumetric efficiency

  • Low noise and low vibration external gear pump design

  • Durable aluminum housing and precision gear set

  • Suitable for continuous and heavy-duty operation

Replacing Parker PGP gear pumps with the 3PDF series helps reduce procurement costs while maintaining reliable hydraulic system performance.


Typical Applications of Parker PGP Gear Pump Replacement

The HENGYUHANG 3PDF external gear pump can replace Parker PGP gear pumps used in:

  • Construction machinery hydraulic systems

  • Agricultural machinery and tractors

  • Industrial hydraulic power units

  • Machine tools and automation equipment

  • Material handling and lifting equipment


Technical Specifications of 3PDF External Gear Pump

  • Pump Type: External Gear Pump

  • Series: 3PDF

  • Displacement Range: 20~71cm³/rev (customizable)

  • Rated Pressure: 28 MPa

  • Maximum Pressure: 30 MPa

  • Maximum Speed: 3000 rpm

  • Working Medium: Mineral Hydraulic Oil

  • Operating Temperature: -20°C to +80°C


Parker PGP Gear Pump Models That Can Be Replaced

The HENGYUHANG 3PDF external gear pump is designed to replace commonly used Parker PGP gear pump models with equivalent displacement and mounting standards.

Common Parker PGP Models

  • Parker PGP505

  • Parker PGP511

  • Parker PGP517

  • Parker PGP620

  • Parker PGP640

  • Parker PGP330

  • Parker PGP350

  • Parker PGP315

  • Parker PGP365

For exact replacement, customers are welcome to send the original Parker PGP model, shaft type and mounting details for technical confirmation.


Advantages of Replacing Parker PGP Gear Pumps with HENGYUHANG

  • Direct replacement without changing hydraulic system design

  • Lower cost compared to original Parker PGP gear pumps

  • Shorter delivery time and stable supply

  • Professional technical support from manufacturer

  • OEM and customization service available


Get Your Parker PGP Gear Pump Replacement Solution

Send us your Parker PGP gear pump model, displacement, shaft type and operating pressure.
Our engineers will recommend the suitable 3PDF external gear pump replacement quickly and accurately



HENGYUHANG Company  is a set design, production, sales in one of the hydraulic components production company, the company has advanced hydraulic components manufacturing technology and technology, the use of high-precision equipment CNC machining center, gear hot processing automatic production line, , automatic heat treatment multi-purpose furnace, single-piece flow assembly line, automatic hydraulic pump performance test bench. Intelligent equipment adopts automatic unmanned production, and realizes online measurement to ensure product consistency and reliability, intelligent system uses ERP, MES management software, improve production efficiency, and achieve product traceability.

Hengyuhang Power Technology produces and sells external gear pumps, hydraulic synchronous motors, multi-pump units, gear pumps with built-in valves, and custom valve blocks. Meanwhile, according to the specific needs of customers, we provide a variety of products with special specifications.And it can also be used as a substitute for other products (such as Rexlex, Danfoss, MARZOCCHI, Parker, RONZIO, Atos, Buchet, ECKERLE, CONCENTRIC, HYADC, JIHOSTROJ, Hydraulic, SDH, VIVOLO, ARGO-HYTOS, HESPER,   HPLPA, HPI, DUPLOMATIC, ROQUET, BODEN,PERMCOP, Caproni, DUPLOMATIC, HIDRAULICA, SETTIMA, SALAMI, HONOR, SHIMADZU, GRH, Brevini, Galtech, BONDIOLI, REXROTH-SIGMA, BLUEASCEND, RISUNY, SUMITOMO, HYDROMAX, SCENERY, REXPOWER, CML, HOERBIGER, SUNNY, HYTEK, Hydro-pack, )

HENGYUHANG also sells a wide range of other international brands of hydraulic pumps, hydraulic valves, hydraulic motors, hydraulic cylinders, hydraulic oil seals, hydraulic equipment and accessories, and has high-quality overseas ordering channels

HENGYUHANG products are mainly used in the supporting services of industries such as automobiles, construction machinery, agricultural machinery, aerial work platforms, hydraulic systems, logistics handling vehicles, new energy vehicles, metallurgical machinery, petroleum machinery, machine tools, and wind powe


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HENGYUHANG Power Technology Co., LTD

Location

No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province

Make a Call

+86 19918575358

WhatsApp Email +86 19918575358