JCB pump

Parker JCB 20/918500 Triple Hydraulic Gear Pump 29+19+16CC/REV

HENGYUHANG Hydraulic Gear Pump is a hydraulic gear pump that replaces Parker JCB 20/918500, featuring stable performance and full compatibility, used in construction and industrial hydraulic systems.

RotationCounter Clockwise (looking from shaft end)
Shaft1” Diameter 15T SAE B-B splined shaft
Mounting FlangeSAE B 4 hole mounting flange
Front Pump Displacement29 cc/rev (29 L/min per 1000 rpm)
Middle Pump Displacement19 cc/rev (19 L/min per 1000 rpm)
Rear Pump Displacement16 cc/rev (16 L/min per 1000 rpm)
Weight38 KG


Description

HENGYUHANG Gear Pump – Perfect Replacement for Parker JCB 20/918500 Tandem Gear Pump

In hydraulic systems for construction machinery, the Parker JCB 20/918500 tandem gear pump has been widely used for many years. However, due to high cost, long delivery times, and limited flexibility, more customers are now searching for a reliable Parker JCB 20/918500 replacement solution.

The HENGYUHANG gear pump is engineered to perfectly replace the Parker JCB 20/918500 tandem gear pump, offering full compatibility, stable performance, and better overall value.


Functions and Technical Parameters of Tandem Gear Pumps

A tandem gear pump consists of two gear pump sections combined into one housing. It is designed to supply hydraulic oil to multiple circuits simultaneously.

Main Functions of a Gear Pump

  • Provide continuous and stable hydraulic flow

  • Support multi-function hydraulic systems

  • Improve system efficiency

  • Ensure simple structure and easy maintenance

Typical Gear Pump Parameters

  • Displacement range: 8–40 ml/rev (customizable)

  • Rated pressure: 16–25 MPa

  • Maximum pressure: up to 28 MPa

  • Speed range: 600–3000 rpm

  • Mounting type: SAE flange mounting

The HENGYUHANG gear pump matches these parameters and is fully compatible with the Parker JCB 20/918500 tandem gear pump, enabling direct replacement.


Applications of Gear Pumps

Due to their durability and reliability, gear pumps are widely used in many industries, including:

  • Construction machinery (excavators, loaders, backhoes)

  • Agricultural machinery

  • Industrial hydraulic systems

  • Building equipment

  • Mining machinery

The HENGYUHANG gear pump is especially suitable for machines originally equipped with the Parker JCB 20/918500 tandem gear pump.


Advantages and Disadvantages of Parker JCB 20/918500

Advantages of Parker JCB 20/918500 Tandem Gear Pump

  • Strong global brand recognition

  • Standardized design

  • Proven performance in original equipment

Disadvantages of Parker JCB 20/918500 Tandem Gear Pump

  • High purchase and replacement cost

  • Long lead time

  • Expensive spare parts

  • Limited customization options

Because of these drawbacks, many customers are looking for a cost-effective Parker JCB 20/918500 tandem gear pump replacement.


Advantages of HENGYUHANG Gear Pump

Q1: Can HENGYUHANG gear pump directly replace Parker JCB 20/918500?

Yes.
The HENGYUHANG gear pump is designed with the same mounting dimensions, shaft type, and hydraulic performance as the Parker JCB 20/918500 tandem gear pump, allowing direct installation without modification.


Q2: Is the performance of HENGYUHANG gear pump reliable?

Absolutely.
HENGYUHANG gear pumps use high-strength alloy gears and precision machining, ensuring stable pressure output, low noise, and long service life under heavy-duty conditions.


Q3: What advantages does HENGYUHANG gear pump have over Parker JCB 20/918500?

  • Lower overall cost

  • Shorter delivery time

  • Stable long-term supply

  • Flexible customization support

The HENGYUHANG gear pump delivers the same performance as the Parker JCB 20/918500 while reducing operating costs.


Q4: Who should choose HENGYUHANG gear pumps?

  • Construction machinery manufacturers

  • Aftermarket parts distributors

  • Equipment maintenance companies

  • Bulk buyers for overseas markets

For customers seeking a dependable Parker JCB 20/918500 replacement gear pump, HENGYUHANG is a smart choice.


Why Choose HENGYUHANG Gear Pump?

Choosing HENGYUHANG gear pump means:

  • Full compatibility with Parker JCB 20/918500

  • Stable and proven performance

  • Competitive pricing

  • Reliable delivery and technical support

The HENGYUHANG gear pump has become a trusted alternative for replacing Parker JCB 20/918500 tandem gear pumps worldwide.


Conclusion

If you are looking for a high-quality replacement for Parker JCB 20/918500 tandem gear pump, the HENGYUHANG gear pump is the ideal solution. With full interchangeability, stable operation, and cost efficiency, it meets the demands of modern hydraulic systems.

JCB CodeJCB CodeJCB CodeJCB Code
7049532007333/C523420/92559220/925338
20/925732333/G539220/92535720/925591
20/90310020/9255817029520007332/F9032
20/9253397441N702912004720/925586
7029120023702912000770291200097029120005
70291200787029120079702912112020/918300
332/F903020/925578919/7500220/925580
332/F9028333/G5393704952000620/925579
20/911200702912002220/92536620/902900
333/G539120/92558820/903300333/G5390


JCB gear pumps are an essential part of JCB machinery, ensuring efficient hydraulic power for a variety of applications. With their robust design and precision engineering, JCB gear pumps deliver reliable performance, contributing to the functionality of JCB excavators, loaders and other equipment. Whether powering excavation, lifting or maneuvering hydraulic systems, JCB gear pumps play a key role in increasing the overall productivity and versatility of JCB machinery on the job site.

JCB GEAR PUMP 3X 4X

39(1)

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

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+86 19918575358

WhatsApp Email +86 19918575358