Gear pump

Gear pump
Gear pump
Piston pump
Piston pump
Vane Pump
Vane Pump
Maintenance parts
Maintenance parts
Motor
Motor
Caterpillar pump
Caterpillar pump
JCB pump
JCB pump

Tandem Gear Pump, Group 1PDF + Group 1PDF (1.4~13.8cm³/rev.)

Tandem Gear Pump, Group 1PDF + Group 1PDF (1.4~13.8cm³/rev.)

HENGYUHANG External Gear Pump, Group 1PDF + Group 1PDF (1.4~13.8cm³/rev.) Widely used Hydraulic system. Group 1PDF + Group 1PDF Advantages: Low noise, high efficiency, long life service,High performance even at low speeds.

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Tandem Gear Pump, Group 2PDF + Group 1PUF (0.8~30cm³/rev.)

Tandem Gear Pump, Group 2PDF + Group 1PUF (0.8~30cm³/rev.)

HENGYUHANG External Gear Pump, Group Group 2PDF + Group 1PUF (0.8~30cm³/rev.) Widely used Agricultural machinery, Construction machinery, Aerial work platform, Hydraulic system. Group 2PDF + Group 1PUF Advantages:Low noise, high efficiency, long life service,High performance even at low speeds,Multiple oil port and shaft extension options available.

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Tandem Gear Pump, Group 2PDF + Group 2PDF (0.8~30cm³/rev.)

Tandem Gear Pump, Group 2PDF + Group 2PDF (0.8~30cm³/rev.)

HENGYUHANG External Gear Pump, Group 2PDF + Group 2PDF (0.8~30cm³/rev.) Widely used Agricultural machinery, Construction machinery, Aerial work platform, Hydraulic system. Group 2PDF + Group 2PDF Advantages:Low noise, high efficiency, long life service,Multiple oil port and shaft extension options available.

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Tandem Gear Pump, Group 2.5PDF + Group 2.5PDF (10~45cm³/rev.)

Tandem Gear Pump, Group 2.5PDF + Group 2.5PDF (10~45cm³/rev.)

HENGYUHANG External Gear Pump, Group 2.5PDF + Group 2.5PDF (10~45cm³/rev.) Widely used Internal combustion forklift. Group 2.5PDF + Group 2.5PDF Advantages:Multiple oil port and shaft extension options available,Leakage-free shaft seal.

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Tandem Gear Pump, Group 3PDF + Group 1PUF(0.8~71cm³/rev.)

Tandem Gear Pump, Group 3PDF + Group 1PUF(0.8~71cm³/rev.)

HENGYUHANG External Gear Pump, Group 3PDF + Group 1PUF (0.8~71cm³/rev.) Widely used Construction machinery, Sanitation vehicles, Hydraulic systems. Group 3PDF + Group 1PUF Advantages:High efficiency, long life service,High performance even at low speeds.

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Tandem Gear Pump, Group 3PDF + Group 2PDF (3~71cm³/rev.)

Tandem Gear Pump, Group 3PDF + Group 2PDF (3~71cm³/rev.)

HENGYUHANG External Gear Pump, Group 3PDF + Group 2PDF (3~71cm³/rev.) Widely used Construction machinery, Sanitation vehicles, Hydraulic systems. Group 3PDF + Group 2PDF Advantages:Leakage-free shaft seal,Optional reversible pump and motor.

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Tandem Gear Pump, Group 3PDF + Group 3PDF (3~71cm³/rev.)

Tandem Gear Pump, Group 3PDF + Group 3PDF (3~71cm³/rev.)

HENGYUHANG External Gear Pump, Group 3PDF + Group 3PDF (3~71cm³/rev.) Widely used Construction machinery, Sanitation vehicles, Hydraulic systems. Group 3PDF + Group 3PDF Advantages:Multiple oil port and shaft extension options available,Optional reversible pump and motor.

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Cast iron External Gear Pump, Group 2PTF(3~30cm³/rev.)

Cast iron External Gear Pump, Group 2PTF(3~30cm³/rev.)

HENGYUHANG 2PTF external gear pump is a reliable and cost-effective CASAPPA gear pump replacement for hydraulic systems requiring stable flow, consistent pressure 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 CASAPPA gear pumps without modification to the hydraulic system.

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Cast iron External Gear Pump, Group 3PTF(20~71cm³/rev.)

Cast iron External Gear Pump, Group 3PTF(20~71cm³/rev.)

HENGYUHANG 3PTF Hydraulic Gear Pump is a high-performance external gear pump designed for medium to high pressure hydraulic systems. Featuring precision-machined gears, reinforced housing, and optimized internal structure, the 3PTF series delivers stable flow, high volumetric efficiency, low noise, and long service life. It is widely used in construction machinery, agricultural equipment, industrial hydraulic power units, and material handling systems. With standardized mounting flanges, multipl

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Cast iron External Gear Pump, Group 4PTF(8~92cm³/rev.)

Cast iron External Gear Pump, Group 4PTF(8~92cm³/rev.)

HENGYUHANG Cast iron External Gear Pump,Group 4PTF(8~92cm³/rev.) Widely used Construction machinery, Sanitation vehicles, Hydraulic systems. Group 4PTF has the following multiple advantages：Heavy duty special DU bearing with long working life,Displacement from 25 to 200cc/rev,High precision carburizing&quenching gears with extra hardness.

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Cast iron External Gear Pump, Group 5PTF(15~125cm³/rev.)

Cast iron External Gear Pump, Group 5PTF(15~125cm³/rev.)

HENGYUHANG Cast iron External Gear Pump,Group 5PTF(15~125cm³/rev.) Widely used Hydraulic systems. Group 5PTF has the following multiple advantages：Custimized mounting size and oil ports,Displacement from 25 to 125cc/rev,High precision carburizing&quenching gears with extra hardness.

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Cast iron External Gear Pump,Group 6PTF(20~250cm³/rev.)

Cast iron External Gear Pump,Group 6PTF(20~250cm³/rev.)

HENGYUHANG Cast iron External Gear Pump,Group 6PTF(20~250cm³/rev.) Widely used Hydraulic systems. Group 5PTF has the following multiple advantages：Custimized mounting size and oil ports,Displacement from 25 to 135cc/rev,Copper pressure balanced wear plates maintain high pump efficiency throughout all operating ranges.

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HENGYUHANG Hydraulic Gear Pump

Direct Replacement for Multiple Imported Hydraulic Gear Pump Brands

Product Description

HENGYUHANG hydraulic gear pumps are designed to directly replace a wide range of imported hydraulic gear pumps from leading international brands. Manufactured according to original installation standards and performance requirements, these gear pumps provide stable flow, high efficiency, and reliable operation in industrial and mobile hydraulic systems.

With OEM-compatible dimensions and interfaces, HENGYUHANG gear pumps allow plug-and-play installation without any system modification, helping customers reduce replacement cost and downtime.

Replacement Brand Compatibility

HENGYUHANG hydraulic gear pumps can be directly installed as replacements for gear pumps from the following brands, including but not limited to:

  • Rexroth (REXROTH)

  • Danfoss

  • Marzocchi (MARZOCCHI)

  • Parker (PARKER)

  • Ronzio (RONZIO)

  • Atos (ATOS)

  • Bucher (BUCHER)

  • Eckerle (ECKERLE)

  • Concentric (CONCENTRIC)

  • Hydac (HYDAC)

  • Jihostroj (Czech Republic)

  • Hidraulic (Romania)

  • SDH

  • Vivolo (VIVOLO)

  • Argo-Hytos (ARGO-HYTOS)

  • Hesper (HESPER)

  • Bondioli & Pavesi (HPLPA)

  • HPI (France)

  • Duplomatic (DUPLOMATIC)

  • Roquet (Spain)

  • Boden (BODEN)

Key Features & Advantages

  • OEM-compatible dimensions for direct replacement

  • Plug-and-play installation, no modification required

  • Stable flow output and high volumetric efficiency

  • Low noise and smooth operation

  • Reliable performance under continuous operation

  • Wide displacement and configuration options

  • Custom production available based on customer requirements

Customization Capability

In addition to standard replacement models, HENGYUHANG offers customized hydraulic gear pumps according to customer specifications, drawings, or sample pumps. Custom shaft types, mounting flanges, port positions, and performance parameters are available to meet specific application needs.

Applications

HENGYUHANG hydraulic gear pumps are widely used in:

  • Construction machinery

  • Industrial hydraulic systems

  • Agricultural and forestry machinery

  • Material handling equipment

  • Machine tools and automation systems

Call to Action

Looking for a reliable, plug-and-play replacement for imported hydraulic gear pumps?
Contact HENGYUHANG today with your original brand and model for technical confirmation and quotation.



◆HENGYUHANG Power Technology can customize and produce high-quality and stable hydraulic gear pumps according to the usage requirements of customers.

◆HYH's gear pumps are widely used in construction machinery, agricultural machinery, mining machinery and other fields, meeting the demands of large flow and medium pressure.

◆HENGYUHANG 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, )


◆If your equipment is unique and existing products cannot meetyour needs, our engineers and design team will collaborate withyou to manufacture products that are more suitable for yourequipment. Our technical personnel have professionalcustomization capabilities, relying on rich industry experience,professional production and processing equipment, and rigorouscustomization processes. We have provided professionalcustomized products for dozens of industries. For late-stageproduct fine-tuning, batch manufacturing, and OEM branding, wecan provide full-service support. lf you need customization,please feel free to contact us.

Based on the requirements and relevant parameters you provide,our design team will promptly design the relevant solutions foryour confirmation.


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