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Re: M Hydraulics

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IH fan

11-10-2012 09:58:22

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Sparky2 said: (quoted from post at 12:26:50 11/10/12) Thanks, yes I like the live hydraulics on the 300.
I called Northern Tool. They do not have a pump
listing by application....i.e. 1951 Farmall M. They
told me to call back with bolt pattern, GPM flow,
open or closed and something else I cannot remember.
Do you know how I can obtain this type
info,,,,thanks again and standing by

You will probably want a pump in the 1.8 to 2.2 cubic inch per revolution to get the flow you need (2.0x 1500 / 231 = 13 gpm), assuming your M turns about 15-1600 rpm.... but I don't know for sure what an M is at full throttle. Using a loader, you will no doubt operate at less throttle much of the time, so going toward the bigger size will help. I am assuming your loader has it's own valves? If it does, it is most likely to be open center, meaning the flow will just by-pass with no load on the pump when the valves are centered.

As for the bolt pattern, you will need to measure that on the front pump mount you mentioned you have. I have the common dimensions somewhere in my information, but it's been so long I have no idea where it is. In Cessna/Eaton pumps (where I worked for 38 years) a larger B series or smaller L series will fit the bill, but I forget the mounting size... been retired 10 years the end of this month and really didn't deal with that part of the job for about another 12 years, so 22 years, I've slept a lot since then.
This post was edited by IH fan at 10:00:15 11/10/12.

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11-10-2012 11:37:43

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 Re: M Hydraulics in reply to IH fan, 11-10-2012 09:58:22  
Well thank you very much. I assume I need to dismantle the distributor from the front engine mount and measure that bolt pattern and the pump will fit inbetween..sound correct? I'll see what happens when I call them Monday

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