Go BottomLog splitters
 | Rick Morgan
Join Date: Posts: 1 
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2000-09-14 19796
I'm interested in a 3. log splitter, but am given to understand that the hydraulic splitters are pretty slow on a compact diesel (NH 33D, in my case)--any experiences? I've seen one post on this site about a screw-driven 3. splitter called a Unicorn; sounds like it might be a good idea, but can't find anything about it through search engines--any ideas how to find, and any input?
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| Rick Morgan
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2000-09-14 19799
WOW--re. the Unicorn--I did a bit better search and found a message from a guy whose friend lost two!?! arms using a Unicorn or similar splitter-- http://tractor.valley-internet.com/nboard/messages/1972.html ....
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| Bud
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2000-09-14 19803
I had one of those screw type three point splitters. they have a left hand thread on a cone about 10 or 11 inches long, and maybe 4" in diameter at the big end, and a piece of pipe to keep the log from turning. They split wood very quick, even with the engine running slow. They do everything else quick also. If anything happens you will be all busted up before the thing can be shut off. I would never attempt to use one if I was alone.
Bud ....
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| Richard
Join Date: Apr 2004 Posts: 0 ky
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2000-09-15 19808
The cylinder speed of a log splitter is related to two things 1) the capacity of the hydraulic pump on your tractor and the diameter of the cylinder. A smaller cylinder will travel faster but it will exert less force on the log to besplit. You could use an auxilary pump attached to the tractor pto to run the splitter and then you could increase the capacity to that of the tractors pto hp. I suggest you contact a hydraulics supply house and get a copy of "fluid power data book" published by womack educational publications (214) 357-3871. this book is cheap, about $ 1.00, and has a lot of usefull charts and information. ....
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| al
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2000-09-16 19839
i have a friend that has a 35 hp Kubota that we ran a hydraulic splitter off of the tractor hydraulics, there were three of us and we fed the thing as fast as it would cycle, and kept up with it ok, one fella running the valve and the other two feeding and stacking the wood, all three of us were busy. apparently these splitters are slower than the gas powered ones but i dont think they are that slow, but it all depends on how much wood you have to split, you also do not have to maintain the gas engine that you would use only occasionally. the cost of a gas powered splitter is at least $1000, thetractor powered ones about $350-$400 in this part of the country. i guess you pays your money and ya takes your choice.
good luck,
al ....
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| Rick Morgan
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2000-09-17 19846
Al--that's the kind of information I was hoping for. The TPH splitters are appealing because they come right along with you and, as you point out, are a good bit cheaper. Does anybody have any negative experience on the hydraulic TPH splitters (which seem to be relatively unpopular, given they're being phased out by several mfrs)? A related, basic question which I'm not sure how to phrase--what is the relationship between hydrostatic drive, hydraulic power, and engine HP? Does the drain on HP and/or hydraulics depend on whether the tractor is moving (ie, hydrostatic system engaged) or standing still? A question the book Richard suggests probably answers: The hydraulic pump capacity on my NH 33D is reported as 7.6 gpm, while the "total pump flow" is listed as 12.2 gpm--what is the difference, and why is "flow" higher than "capacity"?
As always, hoping to benefit from the collective knowledge--thanks!
Rick ....
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| moj
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2000-09-17 19854
I have used a stand alone splitter on and off for 15 years purchased from Northern Tool to split about 40-50 cords of wood and it does a great job and is still running strong...24" x 4" cylinder, 5 HP engine (still goes for about $900)... Am also considering getting a 3PH splitter as the stand-alone belongs to my dad and a bit hard to get a hold of when I need it.
I have a JD 870 and think it has enough hydro capacity...my only concern is that the Northern splitter has a 2 stage pump which basically doubles splitting force when splitting a piece of tough wood which seems to really help at times when it kicks in...the JD hydro is only "single stage" and I am a bit concerned as to what will happen when it gets over-loaded by a pice of tough wood. I always try to not overload the Northern splitter, but every now and then can see the advantage of the 2 stage pump when it 'down shifts'.
Was thinking that maybe next time I get a hold of the splitter I can 'splice it in' to my aux hydro on the JD and see how it performs. Another concern I have is the hydro on the splitter used 1/2" hoses/fittings vs 3/8" fittings on the JD...Seems the JD will somewhat restruct throughput to the splitter since I would have to adapt the hoses between the 2 parts of the system (3/8" to 1/2").
I believe that by the time I buy a valve/hoses/quick connects that the cost for the 3ph splitters is about $550 vs $900 for the standalone...not a bad price difference for a turn-key splitter with engine ready to go vs one I need to plumb into the JD.
Clear as mud? - MOJ ....
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