Controlling Hydraulic Motor & Cylinder With Power Steering Pump





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Published on Aug 31, 2011

This is my setup to test a GM Power Steering Pump as a hydraulic pump to power hydraulic motors and cylinders. All the components used here are stock. The valve is a Gresen/Parker 400 bi-directional valve. The motor is a Ross (I'm unsure of the model or spec's on it). This setup worked great, now ready to adapt to my garden tractors!

Comments • 94

Simon Peter Mungai
what psi does it generate?
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Pasta Sarmonella E-Specialé
If you think about it, you could potentionally make these hydraulic motors into a generator if you know how to.
JW Smythe
That's a really great idea. I never thought about powering hydraulics with a simple car pump. For some reason, I assumed the pressure was under 100 psi, just like the water and oil pumps. I did a quick look and they run at about 800 to 1200 PSI, depending on the application. LKQ lists power steering pumps at about $21 + $5 core. It looks like they go for $50 or so with shipping on eBay.
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Brian Philbrook
Would this work on a garden tractor to run the three point hitch and a front blade or front loader?
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Chad Rossin
I've got a dual spoil valve on my tractor I've been told by the internet isn't worth rebuilding. Would you be interested in using it for a video?
Robert B
attach a pressure gauge next time. Anything can seem to work with no load. Lets see this setup under pressure and see how much work it can do and how much pressure it can generate. I'm betting it bogs down and does not generate over 1000 PSI, probably much less then this. Sorry I know this seems to be bashing what you did, I just want to know how useful such a setup actually is. Thank
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Is this setup powerful enough to drill a water well (simple 2" pipe for garden) about 35ft deep? How can I control the rpm on the hydraulic motor?
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Budd Hudd
Mmm idea for a tipping trailer
Ellef Tollefson
What PSI is it generating ?
steve lecain
what was the HP on your motor I would like to build one for test purposes as well.handy around the shop.
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