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  1. #1
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    Default PTO powered splitter

    No chainsaws but I am going to pick up a powerhorse 3 point log splitter from Northern Tool. Instead of using my tractors rear hydraulics I want to use a pto driven pump. I plan on using a PTO pump by Prince with 21gpm flow. I will also use a 21 gallon tank and a filter.
    I know the return (out from the valve on splitter) line will empty into the tank but do I install the filter in the return line before or after the hydro tank? Does anyone have a diagram of how this should all be plumbed? I think it should be pump to spool to tank to filter, then back to pump.
    Thanks in advance.

  2. #2
    Elite Member Baby Grand's Avatar
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    L3240GST, B2320HST, B5100D & G5200H

    Default Re: PTO powered splitter

    Sounds good to me. Put the filter right before the pump to prevent anything from the downstream side fouling the pump. Good luck with your project and let us know how it works when you get everything together!
    That's the problem with trouble.
    It always starts out as such fun."
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  3. #3
    LD1
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    Default Re: PTO powered splitter

    Just keep in mind that a 21 GPM pump @ 3000psi and 80% effeciency is going to take 46 PTO HP to operate. So I hope you have a tractor that large.

    Best case scenerio...it is only a 2500 psi pump and 85% eff but would still require 36 PTO HP.
    ".........there is only one way to find out."
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  4. #4
    Silver Member
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    Default Re: PTO powered splitter

    Quote Originally Posted by LD1 View Post
    Just keep in mind that a 21 GPM pump @ 3000psi and 80% effeciency is going to take 46 PTO HP to operate. So I hope you have a tractor that large.

    Best case scenerio...it is only a 2500 psi pump and 85% eff but would still require 36 PTO HP.

    Have a 27 hp Montana and a 75 hp Montana. I was hoping to use the small tractor. Maybe I should go with the 11gpm pump instead. Then I could also use a smaller tank.

  5. #5
    Veteran Member CHDinCT's Avatar
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    Connecticut
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    Kubota BX25

    Default Re: PTO powered splitter

    Just did a bunch of shopping for a standalone splitter and just about all of them put the filter on the return line just before it enters the tank. I would worry about too much resistance on the pump if the filter was just before it. Like I said, take it for what it's worth, but that's how I'd set it up. Good luck.
    Chris

    2 acres and a mule, er, Kubota BX25, and too many other toys,er, tools to list.

  6. #6
    LD1
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    Default Re: PTO powered splitter

    Quote Originally Posted by Bud Soda View Post
    Have a 27 hp Montana and a 75 hp Montana. I was hoping to use the small tractor. Maybe I should go with the 11gpm pump instead. Then I could also use a smaller tank.
    The 11GPM would be a pretty good match to 27HP
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


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  7. #7
    Silver Member
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    Default Re: PTO powered splitter

    Quote Originally Posted by LD1 View Post
    The 11GPM would be a pretty good match to 27HP
    The tractor pump output is 7.5 gpm. I wonder if 11gpm would be much faster?

  8. #8
    LD1
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    Default Re: PTO powered splitter

    Quote Originally Posted by Bud Soda View Post
    The tractor pump output is 7.5 gpm. I wonder if 11gpm would be much faster?
    Yes it would definatally be faster. About 46% to be exact.

    If using a 4 x 24 cylinder with a 2" rod, cycle times would be.....


    ............................extend................ retract.................total
    7.5gpm...................10.4..................... .7.7....................18.1
    11gpm....................7.1...................... ..5.2....................12.4
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
    Kubota L3400GST W/LA463 FEL
    2005 Dodge 3500 4x4 Diesel
    8N Rebuilt and restored
    Bushhog 306
    3 Homemade wood hauling trailers
    Dolmar 6400 84cc ported
    Sachs-Dolmar 120SI Ported
    (4) Sachs-Dolmar 116SI Ported
    Dolmar PS540
    Sachs-Dolmar 115i
    Sachs-Dolmar 117
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  9. #9
    Platinum Member KYErik's Avatar
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    Default Re: PTO powered splitter

    Filter should go in the return line. If filter is on the suction side, the pump may cavitate and wear when cold fluid can't be sucked through filter fast enough to supply pump.
    "Attitudes are contagious; is yours worth catching?"

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