---
title: Pump Repair, Selection & Fluid Handling Guides | EV Pump Blog | Gear Pumps
description: Gear Pumps | Practical pump guides, troubleshooting tips, and field insights from EV Pump's technicians. Written for maintenance managers and operators, not marketers.
image: https://evpmp.co/hubfs/Website%20Feature%20Images/Home%20Feature%20Image%20-%20Website%20Images%20-%20EV%20Pump%20(1).png
---

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- [About](https://evpmp.co/about-us) 
    - [About Us & Our Team](https://evpmp.co/about-us)
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## Comprehensive Pump & Equipment Solutions

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From pump repair and rebuilds to custom machining and hard-to-source parts,  
we’re the team you call when no one else can figure it out.

##### Learn More

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## **"** We believe our impact goes beyond pumps. The energy and industrial sectors are crucial to global development, and we’re proud to contribute with our expertise and broad vision.

\- Clark Edwards, Owner

##### Our Resources

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## EV Pump & Equipment Blog

Filter by Tag Show All Case Studies Centrifugal Pumps Charge Pumps Chemical Injection Skids Chemical Processing Critical Spare Parts Custom Machining Diaphragm Pumps Diesel Engines Drilling Gasket Manufacturing Gear Pumps Grinder Pumps HDD High-Pressure High-Viscosity Injection Pumps Metallurgy Mud Pumps Oil & Gas Outsourced Service Work Peristaltic Pumps Positive Displacement Pumps Preventative Maintenance Pump Design Repair & Rebuild Self-Priming Pumps Skids Submersible Pumps Trash Pumps Wastewater Well Servicing

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### Gear Pumps

[![Desmi/Rotan gear pump and electric motor mounted on a blue painted baseplate, built by EV Pump & Equipment to suction-lift drilling mud for Aerion's ARM real-time monitoring system on active drilling rigs.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/How%20EV%20Pump%20Selected%20a%20Gear%20Pump%20for%20Aerions%20ARM%20System%20(1).png?width=1200&height=600&name=How%20EV%20Pump%20Selected%20a%20Gear%20Pump%20for%20Aerions%20ARM%20System%20(1).png)](https://evpmp.co/blog/how-ev-pump-selected-a-gear-pump-for-aerions-arm-system)

#### [How EV Pump Selected a Gear Pump for Aerion's ARM System](https://evpmp.co/blog/how-ev-pump-selected-a-gear-pump-for-aerions-arm-system)

Apr 28, 2026, 10:06:21 AM

EV Pump partnered with Aerion to design and test a gear pump capable of suction-lifting drilling mud across variable densities, viscosities, and...

[Mud Pumps](https://evpmp.co/blog/tag/mud-pumps) [Gear Pumps](https://evpmp.co/blog/tag/gear-pumps) [Case Studies](https://evpmp.co/blog/tag/case-studies) [Drilling](https://evpmp.co/blog/tag/drilling)

[Read More](https://evpmp.co/blog/how-ev-pump-selected-a-gear-pump-for-aerions-arm-system)

[![Three rebuilt blue Viking gear pumps on wooden skids on a flatbed trailer at sunset, staged for delivery and installation.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/How%20EV%20Pump%20Rebuilt%20Obsolete%20Viking%20Gear%20Pumps%20Before%20Grinding%20Season%20(1)%20(1).png?width=1200&height=600&name=How%20EV%20Pump%20Rebuilt%20Obsolete%20Viking%20Gear%20Pumps%20Before%20Grinding%20Season%20(1)%20(1).png)](https://evpmp.co/blog/how-ev-pump-rebuilt-obsolete-viking-gear-pumps-before-grinding-season)

#### [How EV Pump Rebuilt Obsolete Viking Gear Pumps Before Grinding Season](https://evpmp.co/blog/how-ev-pump-rebuilt-obsolete-viking-gear-pumps-before-grinding-season)

Jan 5, 2026, 10:44:43 AM

EV Pump rebuilt three obsolete Viking gear pumps for Lafourche Sugars in time for pre-season test runs, restoring flow and reducing truck-loading...

[Gear Pumps](https://evpmp.co/blog/tag/gear-pumps) [Case Studies](https://evpmp.co/blog/tag/case-studies) [Repair & Rebuild](https://evpmp.co/blog/tag/repair-rebuild)

[Read More](https://evpmp.co/blog/how-ev-pump-rebuilt-obsolete-viking-gear-pumps-before-grinding-season)

[![Collage of various industrial and agricultural pump systems, including a submersible pump, centrifugal pump, irrigation surface pump, and wastewater setup, representing different types of fluid handling equipment in real-world environments.](https://evpmp.co/hs-fs/hubfs/Blog%20Feature%20Images/Which%20Pump%20Should%20You%20Use%20A%20Comparison%20of%20the%20Most%20Common%20Pump%20Types%20(1).png?width=1200&height=600&name=Which%20Pump%20Should%20You%20Use%20A%20Comparison%20of%20the%20Most%20Common%20Pump%20Types%20(1).png)](https://evpmp.co/blog/which-pump-should-you-use-a-comparison-of-the-most-common-pump-types)

#### [Which Pump Should You Use? A Comparison of the Most Common Pump Types](https://evpmp.co/blog/which-pump-should-you-use-a-comparison-of-the-most-common-pump-types)

Jul 24, 2025, 12:28:07 PM

At EV Pump, we’re constantly asked the same question: “What kind of pump do I actually need for this job?” And it’s a good question - because the...

[Mud Pumps](https://evpmp.co/blog/tag/mud-pumps) [Centrifugal Pumps](https://evpmp.co/blog/tag/centrifugal-pumps) [Positive Displacement Pumps](https://evpmp.co/blog/tag/positive-displacement-pumps) [Charge Pumps](https://evpmp.co/blog/tag/charge-pumps) [Peristaltic Pumps](https://evpmp.co/blog/tag/peristaltic-pumps) [Diaphragm Pumps](https://evpmp.co/blog/tag/diaphragm-pumps) [Grinder Pumps](https://evpmp.co/blog/tag/grinder-pumps) [Trash Pumps](https://evpmp.co/blog/tag/trash-pumps) [Gear Pumps](https://evpmp.co/blog/tag/gear-pumps)

[Read More](https://evpmp.co/blog/which-pump-should-you-use-a-comparison-of-the-most-common-pump-types)

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