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Auxiliary Hydraulic Pump Pressure

D

dozerboy450

Member
I have a Massey 165 with a MF32 loader on it. I am looking to buy or build a 3 pt log splitter but was curious as to what kind of pressure I would get if I would try and run it off the aux. loader pump. It would easy to plumb and I should be able to just use the valving on the loader to actuate the cylinder. I did a search but really couldn't find anything relating to what I'm trying to do. Basically what I'm looking for is the pressure/GPM on the MF32 loader pump and would I be able (or should I even try) to use that pump to run a splitter. Thanks
 
Well first of all what kind of valve do you have? Plus most are adjustable to a point. Get yourself a 3000 PSI gauge and check the pressure and then you will know.
 
I don't have the exact figures, but most likely, 1500-1750 PSI, just a guess at GPM, but 3-8 is common in tractors of that era.
 

I'm thinking the internal hydraulics are around 3-8 GPM. The loader pump surely has to be in the range of 10-30 GPM. My dozer has a 15 GPM pump. Not to compare apples to oranges but my dozer blade is about half as fast as my tractors loader. If my dozer had the factory loader on it, it would have a 30 GPM pump (per my service manual). My dad has a gauge but I don't know when I'll get the chance to get it, let alone hook it up to test the pressure. I've found a couple of nice splitters on C/L and found a guy that's got all the parts to make one. I'm just trying to figure out what kind of tonnage I would get if I ran it off the front aux. pump. I know the speed would be way faster but I'm not sure if I would lose any pressure vs. the internal hydraulics. I was hoping this was published or known information. I've searched the forums and Google and couldn't find anything.
 

Sorry J., I forgot to answer your question on the kind of valve. It's got the factory 2 spool valve that came mounted on the loader. Down pressure on both spools, not sure if you'd call that a 4 way???
 
Hi,
You can check the oil flow on your tractor by timing the filling of a gallon measure from a disconnected hose at different engine speeds.
If you are thinking to operate the splitter from the loader valve you will find this difficult as the splitter valve needs to be close to the splitter to give you comfortable control and a decent output from it. If you use the loader valve to supply the splitter valve then you should be looking at 1/2" pipework and probably 3/4" return. Its worth thinking about some means of attaching the splitter to the bucket or loader beam. The photo shows one that I made mounted on the rear of my 135. It would also fit the front end loader which was very convenient when the circular saw was mounted on the rear. The cylinder I used was from a Drott 4in1 bucket and was about 4 1/2" in cylinder diameter. There was very little that would stand in the way of the wedge. It was about 3" wide and from zero to about 4" over 6". Due to the size of the cylinder it was slow but at the benefit of lots of splitting power.
DavidP
a24960.jpg

a24961.jpg
 

Wow, that's a different take on a splitter from anything I've ever seen. My dad's splitter is a vertical only outfit that is made for the 3 pt but will stand on it's own 2" thick by 24" square base and that's how he uses it. He's currently got it hooked up on a DC Case. I was thinking of pulling up beside it and trying to hook on to it with my 165. The loader is not a quick attach by any means but it still uses lines with quick couplers for some reason. I was going to just pull those and then hook on and see how she acted. It would be pretty simple to use the tractor controls then as well since it's right there where the hoses are coupled.

I was hoping to get a better idea of what kind of pressure and GPM for reference if I were to build one. I'll just take it that the pump flow and pressure aren't common knowledge then. Not a big deal, I can always do like you said and get around to hooking dad pressure gauge on it to see what I've got.
 
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