Best Gear Pumps of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 2, 2025

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Gear pumps are highly efficient and reliable devices used in various industries for fluid transfer and pumping applications. These pumps consist of two meshing gears that create a vacuum and draw in the fluid, which is then transported through the pump's chambers and discharged at a constant flow rate. Known for their simplicity and durability, gear pumps are commonly used in chemical processing, oil and gas, food and beverage, and automotive industries. Their compact design and high performance make them ideal for handling a wide range of fluids, including viscous and abrasive substances.

At a Glance: Our Top Picks

SEAFLO 12v Self Priming Gear Pump Cover #TOP 1
SEAFLO 12v Self Priming Gear Pump
ftb score rating icon 9.9
Haldex Midland G1216C5A300N00 Hydraulic Pump Cover #TOP 2
Haldex Midland G1216C5A300N00 Hydraulic Pump
ftb score rating icon 9.8
Amarine Made 12V Self-Priming Gear Pump Cover #TOP 3
Amarine Made 12V Self-Priming Gear Pump
ftb score rating icon 9.6

Top 10 Gear Pumps

#TOP 1

SEAFLO 12v Self Priming Gear Pump

SFGP1-032-003-01
zzzz-s
SEAFLO 12v Self Priming Gear Pump Cover
SEAFLO 12v Self Priming Impeller Gear Pump 3.2 GPM/12.0 LPM for Diesel Lubricants Machinery Fuel Scavenge Oil Transfer

The SEAFLO Gear Pump is designed to meet your oil transfer needs with its versatile voltage options, available in both 12V and 24V models. This flexibility allows you to use it in various power systems. With a high flow rate of 12.0LPM (3.2GPM), you can expect quick and efficient oil transfers, saving you time. The durable construction, featuring a robust metal head and gears, ensures that the pump will last through demanding tasks. Additionally, the thermally protected motor helps prevent overheating, allowing for safe and continuous operation during your projects.

What We Like
Flexible voltage options
High flow rate
Durable construction
Overheat protection
#TOP 2

Haldex Midland G1216C5A300N00 Hydraulic Pump

Haldex Midland
56021
Haldex Midland G1216C5A300N00 Hydraulic Pump Cover
Concentric High Pressure Hydraulic Gear Pump - 0.258 Cu. In. Model Number G1216C5A300N00

The Haldex Hydraulic Gear Pump offers impressive performance with a cubic inch size of 0.258. Operating at 1800 RPM, it delivers a flow rate of 2.0 gallons per minute, which is ideal for various hydraulic applications. When ramped up to 3600 RPM, the flow increases to 4.0 gallons per minute, providing the versatility you need for demanding tasks. With a continuous maximum pressure of 2300 PSI and an intermittent pressure of 3000 PSI, this pump ensures reliable operation under heavy loads, helping you get the job done efficiently and effectively.

What We Like
High flow rates
Reliable pressure performance
Compact size
Versatile for various applications
#TOP 3

Amarine Made 12V Self-Priming Gear Pump

FP-12
Amarine Made 12V Self-Priming Gear Pump Cover
Amarine Made 12v Self Priming Impeller Gear Pump 3.7 GPM/14.0 LPM for Diesel Lubricants Machinery Fuel Scavenge Oil Transfer

The Amarine Made Gear Pump offers impressive versatility with both 12V and 24V options, making it suitable for various power systems. With a high flow rate of 14.0 LPM, it ensures you can transfer oil quickly and efficiently, saving you time on your projects. Its durable construction features a robust metal head and copper impeller, designed to withstand the demands of high-viscosity fluids. Additionally, the built-in thermal protection helps prevent overheating, allowing for safe and continuous use, which is essential for maintaining your equipment and avoiding disruptions.

What We Like
Versatile voltage options
High flow rate
Durable materials
Thermal protection
#TOP 4

SEAFLO Electric Gear Pumps

GP123200301
Gold
SEAFLO Electric Gear Pumps Cover
SEAFLO 12V 3.2GPM 12LPM Low Pressure Electric Gear Pumps for Water Diesel Oil Lubricant Transfer

SEAFLO 12V Gear Pumps are self-priming electric pumps designed for transferring various liquids, including lubricants and viscous substances. With a rugged bronze body and stainless steel shaft, these pumps are built to withstand demanding conditions. They can be used to transfer salt water, fresh water, diesel, lubricants, and machinery fuel (excluding gasoline petroleum fuel). The easy connecting system and soft rubber mounts make installation and operation hassle-free. These pumps are CE, ISO9001:2008, and RoHS approved. Whether you need to transfer lubricants, diesel, or other liquids, the SEAFLO 12V Gear Pumps provide a reliable and efficient solution.

What We Like
Self-priming
Rugged construction
Versatile application
#TOP 5

Chief GP-F20-16-P-C Gear Pump

Chief
2-Bolt A
Chief GP-F20-16-P-C Gear Pump Cover
Chief Gear Pumps (5/8’’ Dia. Keyed Shaft) GP-F20-16-P-C: 2 Bolt A Flange Mount, 0.97 CID, 8.04 GPM @ 2000 RPM, 3626 PSI, 3600 RPM, SAE #12 Inlet and SAE #10 Outlet Ports, CW Rotation, 252163

The Chief Gear Pump is designed for efficiency and reliability. With a compact 2 bolt A flange mount, it is easy to install in various systems. The pump delivers a strong flow rate of 8.04 gallons per minute at 2000 RPM, making it ideal for high-demand applications. Its impressive pressure rating of 3626 PSI ensures that it can handle tough conditions, providing you with peace of mind. Additionally, the SAE #12 inlet and SAE #10 outlet ports allow for versatile connections, making it convenient to integrate into your existing setups.

What We Like
High flow rate
Compact design
High pressure capability
Versatile connections
#TOP 6

Vikye 0.5Mpa Gear Oil Pump

Vikye
Vikyep6es4umnwi-02
Vikye 0.5Mpa Gear Oil Pump Cover
0.5Mpa 1800r/min Gear Oil Pump, Insert Type Lubricating Cycloid Gear Pump Made of Iron(TOP-12A)

The Vikye Gear Oil Pump is a high-quality and durable gear pump made of iron. With a pressure rating of 0.5Mpa and a speed of 1800r/min, this pump provides high performance and stability. It is designed to perfectly match your original gear pump, according to the factory specifications. The pump is made of corrosion-resistant iron, ensuring its long-lasting use. Its easy installation makes it convenient for users, although professional installation is recommended. The Vikye Gear Oil Pump is a reliable choice for those looking for a gear pump that delivers excellent performance and durability.

What We Like
High performance
Stable
Corrosion-resistant
#TOP 7

Dayton Rotary Gear Pump Head 1 HP

4KHK6
Dayton Rotary Gear Pump Head 1 HP Cover
Dayton, 4KHK6, Rotary Gear Pump Head, 1 In., 1 HP

The Dayton Gear Pump is a reliable and efficient rotary gear pump head designed for various applications. Manufactured in India, this pump features a one-inch inlet, making it suitable for a range of fluid transfer tasks. With a powerful one-horsepower motor, you can expect strong performance and durability. This gear pump is ideal for users who need consistent and effective fluid movement, enhancing productivity and convenience in your projects. Whether you are working in industrial settings or other environments, this pump can meet your needs effectively.

What We Like
Powerful one-horsepower motor
One-inch inlet for versatile use
Durable construction
Efficient fluid transfer
#TOP 8

Magister Hydraulic Gear Pump 9 Tooth

HGP CI09S-A02-076R
0.76 CID
Magister Hydraulic Gear Pump 9 Tooth Cover
Magister Hydraulic Gear Pump 9 Tooth Spline Shaft 0.76 CID, 6.58 GPM, CW Rotation, Cast Iron Hydraulic Gear Pump, 3600 PSI, SAE A – 2 Bolts Mounting Flange and 3500 Max RPM

The Magister Hydraulic Gear Pump is a robust cast iron pump designed to deliver high performance. With a maximum pressure of 3600 PSI, you can trust it to handle demanding hydraulic tasks efficiently. The SAE A – 2 bolts mounting flange ensures easy installation, making setup a breeze for you. Additionally, it operates at a maximum speed of 3500 RPM, allowing for quick and effective fluid transfer. With a one-year warranty, you can feel confident in your investment, knowing that support is available if needed.

What We Like
High pressure capability
Easy installation
Fast fluid transfer
Durable cast iron construction
#TOP 9

ViaGasaFamido Gear Oil Pump

ViaGasaFamido
ViaGasaFamido3m8ca6fpkn-01
ViaGasaFamido Gear Oil Pump Cover
Gear Oil Pump 0.5Mpa 1800r/min Insert Type Lubricating Cycloid Oil Pump Replacement Part for Lathe Drilling Milling Grinding Machine Hydraulic Equipment Accessories(TOP-11A)

The ViaGasaFamido Gear Oil Pump is a high-quality replacement part for lathe drilling milling grinding machines and hydraulic equipment. With a pressure capacity of 0.5MPA and a speed of 1800r/min, this pump ensures efficient lubrication and smooth operation. It is designed to perfectly match the factory specifications, making it a reliable choice for users. Made of durable iron material, this pump offers a long service life and is resistant to wear and tear. Its high characteristics and stable performance make it practical and reliable to use. The easy installation process adds to its convenience, although professional installation is recommended for optimal results.

What We Like
Premium Quality
Perfect Match
High Characteristics
#TOP 10

Oberdorfer N1000S3 Gear Pump

Oberdorfer
N1000-S3
Bronze
Oberdorfer N1000S3 Gear Pump Cover
N1000S3:OBERDORFER PUMPS N1000S3 Bronze Pedestal Gear Pump Oberdorfer N1000S3 Bronze Pedestal Gear Pump

The Oberdorfer Gear Pump is a reliable choice for various applications. With its robust construction, this pump ensures durability and long-lasting performance. Its design allows for efficient fluid transfer, making it ideal for users who need consistent and reliable operation. Additionally, the gear mechanism provides smooth and quiet operation, which can enhance your overall experience. By choosing this pump, you benefit from its ease of use and maintenance, allowing you to focus on your tasks without worrying about equipment failure.

What We Like
Durable construction
Efficient fluid transfer
Smooth operation
Easy maintenance
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the difference between a gear pump and a hydraulic pump?

The main difference between a gear pump and a hydraulic pump lies in their operation. A gear pump uses cogs or gears to move fluid throughout the pump, while a hydraulic pump uses a piston to move liquid through the pump valves. Both pumps require hydraulic fluid to generate mechanical power.

2. What are the disadvantages of a gear pump?

Gear pumps have a few disadvantages. They are not recommended for pumping abrasive media or solids due to the meshing gears. The design of gear pumps can be complicated, adding to their initial cost. These pumps can be noisy in certain environments. Additionally, they have limitations in terms of size and are not suitable for operations requiring large bulk flow rates.

3. Can you pump water with a gear pump?

Yes, gear pumps are commonly used for pumping water, light oils, chemical additives, resins, or solvents. They are particularly preferred in applications where accurate dosing or high-pressure output is required. Gear pumps, especially external gear pumps, are capable of sustaining high pressures.

4. Which is better, a piston pump or a gear pump?

Both piston pumps and gear pumps have their advantages. Gear pumps are available in a wide range of displacement sizes and pressures, making them suitable for various machinery applications. On the other hand, piston pumps offer higher pressure ratings and are variable displacement and energy-efficient.

5. What are the types of gear pump?

There are two main types of gear pumps: external gear pumps and internal gear pumps. External gear pumps use two external opposing gears, typically spur gears, to transfer the fluid. Internal gear pumps, on the other hand, use one outer ring gear and one internal pinion gear running inside the ring gear.

6. Are gear pumps easy to maintain?

Yes, gear pumps are generally easy to use and maintain. They come at a low cost, are highly effective, and are not affected by changes in fluid viscosity or density. Gear pumps come in two different forms: internal and external.

Editor's Notes

During our gear pump research, we found 24 gear pump products and shortlisted 10 quality products. We collected and analyzed 2,277 customer reviews through our big data system to write the gear pumps list. We found that most customers choose gear pumps with an average price of $213.86.

The gear pumps are available for purchase. We have researched hundreds of brands and picked the top brands of gear pumps, including SEAFLO, Haldex Midland, Amarine Made, Chief, Vikye. The seller of top 1 product has received honest feedback from 19 consumers with an average rating of 4.4.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.