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08-10-2002 04:22:21

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I need to know if I can get a hydraulic motor to replace a Tecumseh 10hp to run a wood chipper that I can run off of my WD-45..... the Tecumseh had a rpm of 3400 to 3600.... I have asked several hydraulic companies for help but they never called back.....now I will ask where people know something..... Thanks

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08-10-2002 15:04:11

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 Re: HYDRAULIC MOTOR in reply to Bruce , 08-10-2002 04:22:21  
Use an Orbit motor that will run at a reasonable rate of speed off the hydraulics you have, and use a belt and pulley system to drive the chipper at the desired RPM, and it'll work just fine. Do you know the flow rate of the tractor hydraulics?

Hydraulic motors are rated a certain number of RPM'S per gallon per minute of hydraulic flow. If you do not know the flow rate of your system, a repairman with a flowmeter should be able to easily determine the flow rate for you.

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Carl (Ohio)

08-10-2002 11:49:16

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 Re: HYDRAULIC MOTOR in reply to Bruce , 08-10-2002 04:22:21  
I think you will have a hard time using a hyd motor off your WD-45 unless it has a seperate hdy pump the hyd system on those are 4000 psi with low volume Id pto power or use a engine like it already has just my $.027000 Carl

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08-10-2002 21:28:09

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 Re: Re: HYDRAULIC MOTOR in reply to Carl (Ohio), 08-10-2002 11:49:16  
I have to agree the hyd system on the wd45 (we have one)will not run a motor, as you say not enough flow. Maybe the little air cooled motor isn't so bad, other that it runs fast and makes a lot of noise. Did you think about a pto application, maybe that would work, plenty of hp. good luck Oly

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Rod (NH)

08-10-2002 11:33:20

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 Re: HYDRAULIC MOTOR in reply to Bruce , 08-10-2002 04:22:21  
Hi Bruce,

Surplus Center should have a hydraulic motor that can do the job you want. They are in Lincoln, NE. They do not have a web site but you can get their catalog by calling 800-488-3407.

Just make sure you match the pressure and flow requirements of the motor with your hydraulic supply capability in order to achieve your 10 hp at 3400+ rpm...and that the rotation is correct if it is not reversible. That type of information is provided in the catalog.


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08-10-2002 07:34:15

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 Re: HYDRAULIC MOTOR in reply to Bruce , 08-10-2002 04:22:21  
Bruce, i dont know your setup. if i understand it you want to remove a gasoline motor and install a hydraulic motor on your pump. then you need a pto pump on your tractor to power the hydraulic motor. dont sound very efficient and very expensive. how about using a PTO powered pump and run it thru a valve to your chipper. either put the present pump on the pto, or get a bigger pump and mount on pto of tracotr, then bypass the pump on the chipper.

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08-10-2002 08:02:51

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 Re: Re: HYDRAULIC MOTOR in reply to steve, 08-10-2002 07:34:15  

Why not run the chipper off the pto and forget about the hydraulics. Find an old hammermill or grinder-mixer to get the belt drive set-up. Hydraulic pumps and motors are very inefficient.

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