How to Test a Single Post Hydraulic Pump Motor

by Anthony Fairchild on 11/18/16 9:22 AM

Single Post motor P050M-2-097314-edited.jpgIf your hydraulic pump isn't operating correctly you may need to test and replace the motor. Below find step by step instructions on how to test a single post hydraulic pump motor. Save this article for future hydraulic pump maintenance and issues.

How to test a single post hydraulic pump motor:


1. Ground the housing of the motor using a jump pack or battery.

2. Take the positive directly to the post on the motor.

3. If it doesn’t run it's time to replace the motor.

4. If the motor sounds slow it’s time for a new motor.


If you're experiencing further difficulties with your hydraulic pump motor call me! To instantly receive a PDF of your PIERCE products wiring diagram, manual, and spec sheet register your PIERCE product by clicking the button below.


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Anthony_Fairchild.jpgMore Questions? Call me!

Anthony Fairchild, PIERCE Technical Service Manager

phone: 800-658-6301 email:

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This post was written by Anthony Fairchild

I'm the technical service manager at Pierce.