September 29, 2017
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4 Things to Consider when Replacing a Hydraulic Pump

The primary hydrostatic pump is what keeps your equipment moving. Without the hydraulic flow and pressure provided by the pump, it can’t move even if everything else is working all right.  In this Shop Talk Blog post, our topic is four things you should consider when it comes time to replace your hydraulic pump.


Find Out What You Need

The more information you can put together about the pump you are replacing, the easier it will be to find a replacement.  Make sure to write down the manufacturer, make, model, and serial number of your machine before you start doing a online search for a replacement pump.  Even more importantly, find any information you can retrieve from your current pump.  From the pump itself,  look for manufacturer, model number or product number, and attributes like shaft type, ports, displacement, control, and mounting flange.


Replacement Options

There are a few replacement options you have available when it comes to hydraulic pumps:

  • New hydraulic pump from the OEM
  • New aftermarket replacement for the hydraulic pump (such as Eaton brand pumps)
  • Rebuilt or reman hydraulic pump

A rebuilt or reman pump could mean one that you purchase from a reputable shop or, if you have the time, having your own pump rebuilt. Remember that a quality rebuild meets or exceeds the original OEM specifications at a fraction of the cost of a new pump.


Know your hydraulic pump's manufacturer, make, model, and serial number for reference.

Shipping Time

Most shops and dealers can ship your pump the same day you call, but only if they have that pump in stock. If downtime is important for you, always call and confirm that they have the pump in stock, when it will ship, and how long it will take for the pump to get to you. Don’t take it for granted that your pump can ship immediately — you don’t want to end up waiting two weeks for a pump you needed yesterday.



Always carefully read the fine print on any warranties that are offered. If a warranty sounds a bit too good to be true, it probably is. Most dealers and shops will offer one- or two-year warranties on new hydraulic pumps, and some will offer one-year warranties on reman or rebuilt hydraulic pumps also. Remember that warranties do have conditions that may involve proper maintenance and care for the warranty to remain in effect.  In order to take advantage of the warranty, you have to meet the conditions involved.



When it comes time to replace the main hydrostatic pump on your machine, remember to gather your pump information ahead of time, consider your options, check the shipping time, and pay attention warranties.   A good salesperson can not only help you identify the type of pump you need, but also answer questions about shipping time and warranties.

Ready for More?

Here are a few more Shop Talk Blog posts you might find useful …


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