Running hydraulic pump off M belt pulley

Spotted Horse · Feb 19, 2010

Have any of you ran a hydraulic pump off the belt pulley on your M?
I think there must be some way to remove the pulley itself and replace it with an "adapter plate" with a PTO stub shaft welded to the adapter, in order to run a PTO driven hydraulic pump.

I know the pump would stop whenever the clutch is disengaged, but that's not important to me.

I'm open to any and all suggestions (and/or PICTURES) of how to get some hydraulic use out of a belt pulley that is currently just getting a "free ride" on my tractor,... and maybe provide an extra 2-4 hydraulic outlets on my M.
I have an extra tank and valves sitting in the shed just itching to be used on "something".

Right now, I have a Dual Loader that runs off the M's live pump, and a Saginaw 3pt. that runs off the belly pump,... so the belt pulley ISN'T being used at all.
I don't want to put a pump on the M's PTO, because I'd have to remove it every time I mow.

Any ideas, or am I just dreaming about something that's not feasible? LOL

erik dekeyser · Feb 19, 2010

Running a hydraulic pump of the belt pulley is a great idea i cant see why it wouldnt work.Let me know how that turns out. Erik..

E718 · Feb 19, 2010

I have seen that done. The idea was to run an auger from the pto and the auger hopper from the pump on the belt pulley. The belt pulley runs about 1100 rpm when the pto is 540. When you take the belt pulley off of the flange, the flange has 8 bolt holes in it. It is blacksmith work to make a drive adapter. I use a chain and sprocket to drive the belt pulley with a hydraulic motor on a 560 to do trenching work with. I can get a ground speed of 3 feet per minute with that setup.

glennster · Feb 19, 2010

its feasable. here is the belt pulley on my m, i use it to drive a dc welder
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Spotted Horse · Feb 19, 2010

Glennster,... wow, that's a nice outfit.

How many rpms does the welder need to function properly?

E718,... A trencher?? what a great idea.

I was thinking of making an adapter for the belt pulley drive that I could just slip a hydraulic pump onto, then run some hoses to the valves and tank.

I'm pretty good at cobbleing things together, so I figured on making the adapter myself.

Anyone have a good used 1000 rpm PTO driven hydraulic pump for sale,... or want to trade for a real nice "Prince" 540 PTO driven pump that was bought new in 1999 and used VERY little?

Wardner · Feb 19, 2010

Sounds like a piece of cake to me.

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Air compressor and 10 KW gennerator on W-400. Orange disc is part of drive coupling

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Clutch pump driven from crankshaft on F-400

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Pump on SMTA. Shroud cut.

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Air compressor running off Cotton Picker PTO on F-400

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Air compressor on W-650

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Prince pump on 650. Slides over PTO shaft. This one is bolted in but most instalations are easy on/off.

Spotted Horse · Feb 19, 2010

Wardner,... someone sure put a lot of thought into those modifications, were you the "engineer"?

glennster · Feb 19, 2010

the welder is 260 amp at just about full throttle on the belt pulley. has a high and low range and 4 position heat selector, so you say has an 8 speed. by varying the engine rpms and chosing your settings, you pretty much have a full heat range. as long as you run low rpms, i would think you can run the 540 pump off the belt drive.

Wardner · Feb 19, 2010

Ya, I did them all except the SMTA which was purchased in that condition. Not a big fan of destroying original parts. I try to do stuff that might look like factory attachments. If everything were painted, I am sure it would puzzle a few onlookers.

Spotted Horse · Feb 19, 2010

(quoted from post at 21:03:41 02/19/10) the welder is 260 amp at just about full throttle on the belt pulley. has a high and low range and 4 position heat selector, so you say has an 8 speed. by varying the engine rpms and chosing your settings, you pretty much have a full heat range. as long as you run low rpms, i would think you can run the 540 pump off the belt drive.

Glennster, I was thinking about using the hookups from the belt pulley drive, to raise my PT-10 Heston swather when cutting hay,... and may even attempt to run a JD 510 roundbaler off of the pump. I suppose I could experiment with "idleing down" when raiseing the swather, and while tying and dumping bales.

I just thought there might be less to worry about if I used a 1000 rpm pump.

Thanks for your thoughts on what I'm trying to do.

Spotted Horse · Feb 19, 2010

(quoted from post at 21:06:20 02/19/10) Ya, I did them all except the SMTA which was purchased in that condition. Not a big fan of destroying original parts. I try to do stuff that might look like factory attachments. If everything were painted, I am sure it would puzzle a few onlookers.

If you had everything painted, I'd darn sure be one of those "puzzled onlookers".

You've done an extraordinary job on modifying the attachments.

Wardner · Feb 19, 2010

Glennster is right about the 540 Prince pump. The same pump is sold as a 1000 RPM pump by changing the splines. Yup, you get double the volume too.

If you have a lathe and welder you could take an over-riding PTO adaptor and cut off most of the ratchet part. Weld it to a disc with four or eight holes. True it up in the lathe. Cut a counter bore on both sides of the disc to obtain concentricity. Attach a torque arm to pump body so that it doesn't rotate.

Or you could bore out the belt pulley shaft. Weld in a 1-3/8 six spline ID adaptor. Get a PTO shaft extension and stuff it in the adaptor.

All this PTO stuff is in the Hub City on-line catalog

armand tatro · Feb 19, 2010

E718: I would like more information and pictures of your 560 and trencher setup. Thank you. Armand

Spotted Horse · Feb 19, 2010

Wardner, thanks for the great ideas.

I'll check out the Hub City on-line catalog.

Vito · Feb 20, 2010

I have a V groove pulley on a W6 I am going to take off.Email me if you are intersted in it.

Vito

Spotted Horse · Feb 20, 2010

Thanks Vito,... I picked up a PTO extention and a few other things today, so I think I'm ready to start making an adapter.

I'll contact you if I wind up needing the V-pulley instead.

Thanks again,
Spotted Horse

barw · Feb 20, 2010

Yes I removed the belt pulley,made an adaptor plate that bolted to the belt pulley houseing.Used a mechanical coupler to direct drive a hyd. pump. Made a hyd. tank like original under the fuel tank.
Set works good.

Spotted Horse · Feb 20, 2010

Barw,... Thanks for the reply, I'm glad it works good.

When I bought my M the belt pulley was gone,... and a hydraulic pump sounds like a good way to get some actual use out of the old belt pully drive.

Running hydraulic pump off M belt pulley

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