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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Eternal hydraulic control valve.

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Gary Knowlton

08-22-2003 08:48:03




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Looking fo an External hydro control for 550 Oliver to connect a loader, should bolt on to the right side of hydro box. Is this spendy?




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Mark

08-24-2003 06:56:52




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 Re: Eternal hydraulic control valve. in reply to Gary Knowlton, 08-22-2003 08:48:03  
For what you'll spend on an external valve, you'll be money ahead to put a front crank driven pump on. I gave $350 for my external valve, and even at full output, the loader moves pretty slow. The internal pump flow rate is pretty low. I'd use something at least 10-12 GPM for the front pump.



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bob goldesberry

08-23-2003 18:42:35




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 Re: Eternal hydraulic control valve. in reply to Gary Knowlton, 08-22-2003 08:48:03  
hi gary, i still have my loader for sale it has the crankshaft powered pump with it. it is ready to bolt on a 550 oliver. anyone interested email me at [email protected]. thanks and good luck, Bob



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Super 55

08-22-2003 22:20:13




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 Re: Eternal hydraulic control valve. in reply to Gary Knowlton, 08-22-2003 08:48:03  
The Oliver external control is very pricey and hard to find. I would think you might find one from $400 and up. Several postings have appeared on wondering if a person could rig a control up to the port to the right of the driver, but without success. I think the post below might be the answer for you.



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J. Schwiebert

08-22-2003 18:56:52




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 Re: Eternal hydraulic control valve. in reply to Gary Knowlton, 08-22-2003 08:48:03  
I think for about the same money or a little more, put a crank driven pump and an external valve on it. This way you can also have "float". I do not know what type of loader you have, but a good 12-15 GPM pump and a valve with float control would make 10 times the better setup. Do a little shopping for these parts for a good deal you will not have much more money in it.I don't think I would even stop at an implement place to price these items. Questions ask away.

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Gary Knowlton

08-26-2003 08:48:03




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 Re: Re: Eternal hydraulic control valve. in reply to J. Schwiebert, 08-22-2003 18:56:52  
Do Olivers make a belt driven hydro pump? Or must it be Crank driven ? where does it sit? outside of the radiator? Is there an after market belt driven hydro pump that could mount beneath the generator? Looks like there is room on the timing cover to bolt too.



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J. Schwiebert

08-27-2003 06:21:58




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 Re: Re: Re: Eternal hydraulic control valve. in reply to Gary Knowlton, 08-26-2003 08:48:03  
Get me an e-mail address in the next couple of days and I will send you stuff next week. Rule of thumb is that it takes one horse power for each one gallon of fluid pumped @1500 PSI. Pickup trucks do this all the time. Belts and belt tension is a problem. However the trend is getting to be away from it. Both Ford and GM have PTO options off the transmission. Tractors and industrial run off the crank. Somebody mentioned a PTO driven pump. If you go that route you need to speed it up as a gear pump is best operated at 14-1500 RPM so they work good when driven off the crank.

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Gary Knowlton

08-25-2003 10:21:58




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 Re: Re: Eternal hydraulic control valve. in reply to J. Schwiebert, 08-22-2003 18:56:52  
Thanks for the info. Where I should have taken time is with tractor options presale. I guess I will take time now.



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