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John Deere Tractors Discussion Forum
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Re: Live pump pessure rating

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Pete in MD

01-03-2013 10:27:20

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Like Kent said, the pressure is controlled by the relief valve in the Powr-Trol valve body.

Both the pressure and GPM vary depending on the tractor model and model/serial# of the Powr-Trol valve body.

What model tractor and model/serial# valve body are you working on?

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01-03-2013 19:47:00

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 Re: Live pump pessure rating in reply to Pete in MD, 01-03-2013 10:27:20  
I have a 48 A I don't have a live pump at the moment but I would like to know what they are capable of in psi and GPM.I thought they were all the same. I could run it seperate from the powertrol unit. Will it run a 45 loader as good as the pto pump? they were below 1000 psi
Iwas hoping for more out of the live pump

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Pete in MD

01-04-2013 08:02:44

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 Re: Live pump pessure rating in reply to algar, 01-03-2013 19:47:00  
A live pump on an A has a rated working pressure of 610 PSI and a GPM of 10.4 at zero pressure and 8.9 at rated working pressure. The two pumps are about the same.
If you run the live pump seperate from the powertrol unit you"ll need to add a reservoir and a control valve.
I think the live pump will run a 45 loader just as good as the pto pump AND you"ll be able to raise the loader when the clutch is disengaged.

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01-04-2013 05:18:21

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 Re: Live pump pessure rating in reply to algar, 01-03-2013 19:47:00  
algar, you can plumb your tractor to run the powertrol and your 45 loader separate without using a live hydraulic pump. I have one plumbed into the powertrol and use a back blade and a 45 loader for moving snow. Email if you would like more info. thanks, Jim.

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