Gear Pump

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1/2/2.5/3 GPM Hydraulic Single Gear Pump, 3600 psi

$149.69

SKU: ATO-HGPP-1245

Cheap hydraulic single gear pump for sale. Displacement 1/2/2.5/3 Max. GPM for selection, rated pressure 3000 psi, maximum pressure 3600 psi, rated speed 1800 rpm, max speed 4300 rpm, volumetric efficiency 88%, mechanical efficiency 85%, oil inlet/outlet port PT 3/8" thread, optional clockwise or counterclockwise rotary, SAE 2-bolt mounted.

1/2/4/5.5 GPM Hydraulic Single Gear Pump, 3600 psi

$169.91

SKU: ATO-HGPP-23467

Low price hydraulic single gear pump for sale. Displacement 1/2/4/5.5 Max. GPM, rated pressure 3000 psi, maximum 3600 psi, speed 500 rpm~4000 rpm, volumetric efficiency 92%, mechanical efficiency 88%, rotary direction clockwise/counterclockwise, mounting flange SAE 2-bolt. Small hydraulic gear pump, for industrial/commercial/chemical uses.

3/5/13/14 GPM Hydraulic Single Gear Pump, 3600 psi

$198.85

SKU: ATO-HGPP-3580

Buy hydraulic single gear pump at good price. Displacement 13/15/18/20 Max. GPM for selection, high pressure 3000~3600 psi, rated speed 1800 rpm, max 3500 rpm, max volumetric efficiency 93%, mechanical efficiency 90%, oil inlet port thread 3/4 inch, outlet 1/2 inch, clockwise or counterclockwise rotary, installation flange SAE 2-bolt. Industrial/commercial hydraulic pump, small size, lightweight.

1.5/2/4/5.5 GPM Hydraulic Single Gear Pump, 3600 psi

$169.69

SKU: ATO-HGPP-4567

Hydraulic single gear pump working at 3000 psi pressure (maximum 3600 psi), affordable price. Displacement 1.5/2/4/5.5 Max. GPM, rated speed 1800 rpm, max 4000 rpm, volumetric efficiency 92%, mechanical efficiency 88%, clockwise or counterclockwise rotary direction, mounting flange JIS 4-bolt. Reliable manufacturer, small hydraulic external gear pump for industrial/commercial uses.

7/9/10/11 GPM Hydraulic Gear Pump, 3300 psi

$402.46

SKU: ATO-HGPP-0235

Competitive price hydraulic gear pump for sale. Displacement 7/9/10/11 Max. GPM optional, working pressure 2600 psi, max 3300 psi, rated speed 1500 rpm, max 2000 rpm, volumetric efficiency 90~93%, mechanical efficiency 85%. 2-way transmission, 1 inlet and double outlet, high-pressure oil outlet direction can be changed according to different rotation directions.

10/20/25/30 GPM Hydraulic Gear Pump, 3600 psi

$325.54

SKU: ATO-HGPP-2345

Reliable manufacturer hydraulic gear pump for sale online. High displacement 10/20/25/30 Max. GPM for choose, working pressure 2900~3600 psi, speed 1500~2500 rpm, volumetric efficiency 90~93%, mechanical efficiency 82~85%, oil ports thread connection, multi-direction inlet/outlet is available, small size, economic price.

1/2/3/4 GPM Hydraulic Tandem Gear Pump, 3600 psi

$353.69

SKU: ATO-HTGP-1245

Hydraulic tandem gear pump has double working pump. Optional displacement 1/2/3/4 Max. GPM, rated pressure 3000 psi, max 3600 psi, rated speed 1800 rpm, max 4300 rpm, volumetric efficiency 88~91%, mechanical efficiency 85~88%, oil inlet/outlet ports 3/8 inch thread, clockwise/counterclockwise rotary. 2-stage hydraulic gear pump for sale online, good price.

11/12/13/14 GPM Hydraulic Tandem Gear Pump, 3600 psi

$474.31

SKU: ATO-HTGP-1380

Buy hydraulic tandem gear pump from manufacturer online. Displacement 11/12/13/14 Max. GPM, working pressure 3000 psi, maximum 3600 psi, speed 1800~3500 rpm, volumetric efficiency 90~93%, mechanical efficiency 88~90%, oil inlet thread 3/4 inch, outlet 1/2 inch, clockwise/counterclockwise rotary. 2-stage hydraulic gear pump has double pump, affordable price, easy use.

1/2/3 GPM Hydraulic Triple Gear Pump, 3600 psi

$479.69

SKU: ATO-HTGP-124536

Hydraulic triple gear pump with 3 working pumps. Displacement 1/2/3 Max. GPM for selection, operating pressure 3000~3600 psi, rated speed 1800 rpm, maximum 4300 rpm, volumetric efficiency 88~91%, mechanical efficiency 85~88%, oil inlet/outlet thread 3/8 inch, clockwise/counterclockwise rotary. Professional manufacturer, competitive price.

8/9/11/13/14 GPM Hydraulic Triple Gear Pump, 3600 psi

$709.69

SKU: ATO-HTGP-13580

Reliable manufacturer hydraulic triple gear pump for sale. Optional displacement 8/9/11/13/14 Max. GPM, rated pressure 3000 psi, max 3600 psi, speed 1800~3500 rpm, high volumetric efficiency 90~93%, mechanical efficiency 88~90%, oil inlet thread 3/4 inch, outlet 1/2 inch, clockwise/counterclockwise rotary. Hydraulic triple gear pump has three working pumps, displacement combinations can be customized.

What Is a Gear Pump?

A gear pump is a positive displacement pump that uses rotating gears to transfer fluids by moving a fixed volume of liquid with each rotation. Hydraulic gear pumps are commonly used for delivering hydraulic oil and other compatible fluids with stable flow and consistent pressure performance. With a simple structure, compact design, and reliable fluid transfer capability, gear pumps are suitable for hydraulic systems and various industrial fluid handling applications.

How Does a Gear Pump Work?

A gear pump works by using two rotating gears to transfer fluid from the inlet port to the outlet port. When the drive gear rotates, it drives the driven gear and creates expanding spaces on the inlet side, allowing fluid to enter the pump chamber. The fluid is then trapped between the gear teeth and the pump housing and carried around the outside of the gears toward the discharge side. As the gears mesh together again, the reduced chamber volume forces the fluid out under pressure. This continuous displacement process enables gear pumps to provide stable flow output, consistent pressure performance, and reliable hydraulic power transmission for various hydraulic systems and industrial applications.

What Are the Applications of Gear Pumps?

Gear pumps are widely used in hydraulic systems and fluid handling applications where stable flow, reliable pressure generation, and long-term operation are required. Their compact design, efficient fluid transfer capability, and dependable performance make them suitable for different types of machinery and equipment.

Gear Pump Applications	How Gear Pumps Are Used
Construction Machinery	Used in excavators, loaders, forklifts, and other heavy equipment to supply hydraulic power for lifting, steering, driving, and auxiliary functions.
Agricultural Equipment	Installed in tractors, harvesters, and farming machinery to support hydraulic actuators, steering systems, and other agricultural operations.
Industrial Machinery	Applied in machine tools, manufacturing equipment, automation systems, and production lines that require dependable hydraulic fluid circulation and pressure supply.
Hydraulic Power Units	Used in hydraulic power units to provide continuous oil circulation and pressure generation for various hydraulic applications.
Mobile Hydraulic Systems	Suitable for utility vehicles, transportation equipment, and specialized machinery operating in different environments where reliable hydraulic performance is required.
Material Handling Equipment	Used in lifting platforms, hydraulic presses, and handling systems to support smooth movement, load control, and efficient hydraulic operation.
Lubrication Systems	Applied for transferring lubricating oil in mechanical systems that require continuous circulation and stable oil supply.
Chemical and Process Equipment	Used for transferring compatible fluids in industrial processes where controlled fluid movement and reliable operation are needed.

What Makes ATO Hydraulic Gear Pumps Different?

ATO hydraulic gear pumps are designed for stable hydraulic oil delivery and power transmission in industrial, agricultural, commercial, and mobile equipment. With multiple displacement options, high-pressure capability, and flexible configurations, ATO gear pumps can meet different hydraulic system requirements.
Key advantages of ATO hydraulic gear pumps include:

High Pressure Capability: ATO hydraulic gear pumps are designed for demanding hydraulic applications, with models available for working pressures up to 3000 psi and maximum pressures up to 3600 psi.
Wide Displacement Range: Multiple displacement options are available to match different flow requirements, from compact low-flow hydraulic systems to higher-flow industrial equipment.
High Efficiency Performance: Selected models provide volumetric efficiency up to 93% and mechanical efficiency up to 90%, helping improve hydraulic system efficiency and reduce energy loss.
Flexible Configurations: ATO offers single, tandem, and triple gear pump configurations with optional displacement combinations, rotation directions, and mounting options for different equipment designs.
Compact and Lightweight Design: The small size and compact structure make ATO gear pumps easy to integrate into hydraulic machinery where installation space is limited.
Reliable Hydraulic Operation: Designed for continuous operation, ATO gear pumps provide stable fluid delivery and consistent performance in industrial machinery, construction equipment, agricultural machinery, and other hydraulic systems. With various flow, pressure, and configuration options available, ATO hydraulic gear pumps provide flexible solutions for different hydraulic system requirements.

Frequently Asked Questions About Gear Pumps

Q1: What factors should be considered when selecting a hydraulic gear pump?
A1: When selecting a hydraulic gear pump, consider factors such as flow rate, displacement, operating pressure, fluid type, rotation direction, mounting method, and installation requirements to ensure compatibility with the hydraulic system.
Q2: How can the service life of a hydraulic gear pump be extended?
A2: Proper fluid selection, clean hydraulic oil, correct installation, operation within recommended pressure and speed limits, and regular maintenance can help extend the service life of a hydraulic gear pump.
Q3: How do I choose the right displacement for a gear pump?
A3: The suitable displacement depends on the required flow rate and operating speed of the hydraulic system. Larger displacement provides higher flow output, while smaller displacement options are suitable for lower-flow applications.
Q4: Can hydraulic gear pumps be customized?
A4: Yes. Hydraulic gear pumps can be customized with different displacement options, rotation directions, mounting configurations, and pump combinations to meet specific hydraulic system requirements.