Uses for belly pump?

MeanGene1

Member
Can a belly pump from a parted M be used for regular pump use, such as running a log splitter etc? Can it be overdriven, pressure raised, etc. enough to be worthwhile? How much actual hp does it take to drive one, and if it could be turned up, then how much hp? Seems a shame to waste a pump if it's usable for other things, and I have a splitter that was previously run off loader hydraulics, has about a 4x24 cylinder
Thanks in advance
 
If you use a nomograph provided in some hydraulic catalogs and literature, you will see that 1000 psi at 1 gpm is close to 1 hp. A continuous high pressure load on a later M Liftall would be about 10 hp. You will probably run into overheat problems if you don't plumb in some return line cooling hardware.
 
I hoped you would respond, as you are the resident "McGuyver" with these tractors LOL. So do you think it's feasible to do this, and would it necessary/feasible/possible to raise output by overdriving, and can the pressure be also increased to efficiently run something like a splitter, and if so, how? I don't recall ever seeing where anyone had used a salvaged belly pump as a standalone pump? I would have two to chose from, a '50 M and a '53 Stage 1 SM- sounds like they are different pumps, with the later pump being better/ more output and/or pressure?
Thanks again
 
If I remember my basic hydraulics correctly, psi x gpm divided by 1714= HP. I don't know the pressur eand flow rating of an M system, but if it's 850psi and 10gpm at rated rpm, that would be just slightly under 5HP.
 
Later pumps are tighter than early pumps but I don't have the year or serial number break.

I have never taken a countershaft driven Liftall apart. But there has to be a pressure relief valve in there somewhere. I assume it can be adjusted for higher or lower pop-off.

Countershaft turns at 37% of rated rpm of 1400. That would be 518. Seems very slow for a small pump. I think it might be alright at 2000 rpm but YMMV. If it seizes up, run the next one at 1500 rpm.

I'm thinking I wouldn't mess with the pressure. But would overdrive it. I would also use a 5" or 6" cylinder on a log splitter as the psi on those pumps is less than 1000.

All-in-all, I probably wouldn't use the Liftall for any continuous use. It would do OK on something like a lift in your shop or on some vehicle. But you could get something like pallet stacker reservoir/pumps/motors that will work better.
 
When I worked for a machine dealer 40 years ago he had a New Idea loader on an old M with overdrive. When we wanted to lift something heavy we engaged the overdrive. It did help.
 
Sell THAT pump to someone who needs it for am M and get a better pump suited to what you need.They make alot better pumps to run log splitters with.
 
(quoted from post at 05:02:33 01/04/12) Sell THAT pump to someone who needs it for am M and get a better pump suited to what you need.They make alot better pumps to run log splitters with.

That will get him his first $5 towards the new pump. :lol: Is there any demand for the belly pumps?
 
Well, I am looking for a Liftall Pump, because my 1947 Farmall M has no hydraulic system at all. Problem is there is a little bit of water between me and the U.S.A.!
SadFarmall
 

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