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M2L2farmer 
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Joined: 11 Nov 2011
Location: Wapakoneta
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 Topic: D17 hydraulic pump
Posted: 24 Nov 2011 at 8:29am |
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Does anyone know where to get a pump to mount on the side of the tractor? Has anyone ever done this? Is this hard to do? The pump under the belly does not pump fluid very fast with a loader on it!
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
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Posted: 24 Nov 2011 at 8:37am |
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If you have a series I, II, or III, the standard pump works fine with the right cylinders. It is a high pressure low volume pump. If you have larger diameter cylinders made for low pressure, high volume pumps, it will be slow. I have seen D17's with a pump added in place of the belt pulley, but it won't be live with the foot clutch like the series IV D17.
There is also the possibility of mounting a true live pump up front off the crankshaft and I know some guys on this forum have done that also.
Edited by CTuckerNWIL - 24 Nov 2011 at 8:38am
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Brian G. NY
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Joined: 12 Sep 2009
Location: 12194
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Posted: 24 Nov 2011 at 8:38am |
I don't believe you can mount a live pump like the one on the Series IV D-17 at the pulley location on the side of the tractor. The internals are set up totally different so as to provide full time power to the pump.
Your best bet is to install a front mount pump to run off the crankshaft.
You will find a wealth of info about doing this in past posts on this site which you should be able to access by doing a search.
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DaveKamp
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Joined: 12 Apr 2010
Location: LeClaire, Ia
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Posted: 24 Nov 2011 at 9:46am |
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What Brian and Charlie are saying, is:
You CAN, and people HAVE done this. What they've done, is obtained a belt-pulley accessory, and lopped off the housing and shaft, and machined it to accept a plate that would accept a standard type hydraulic pump.
The catch is, just as Charlie stated... the belt-pulley attachment uses a bevel gear to engage the engine output shaft JUST PAST the clutch... so whenever the clutch is depressed, the pump will stop.
The Series IV had a different clutch arrangement- there was an inner and outer shaft, one which coupled directly to the flywheel, and turned whenever the engine was running... it was coupled to the hydraulic pump mounted at the belt-pulley position. The other shaft was coupled through the clutch, and drove the rearend just like the earlier series.
So if you mounted a high-volume pump at the belt-pulley, you'd have the equivalent of say... mounting a PTO pump on the PTO shaft (and leaving the PTO engaged). Anytime the clutch is out, you have hydraulics.
For a loader, that's more tolerable on a D17 than some OTHER tractors, because the Power Director allows you to disengage the drivetrain and leave the PTO spinning... but it's not what I'd call 'optimal'... because you eventually find need to do two things at once (lift and curl while shifting to reverse).
This is why the guys suggest mounting a front pump, which is what I'm doing right now (albeit rather slowly). One of these days, I'll find my post (now buried by several months at least) and add the most recent pictures...
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M2L2farmer
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Posted: 24 Nov 2011 at 8:47pm |
Does anyone have one of these mounting plates for the front or do I have to make one. I am a welder by trade so no big deal but how do you get the shaft attached to the front of motor?
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M2L2farmer
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Posted: 24 Nov 2011 at 8:52pm |
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Well I know its not a series IV for sure....It does say any series on it so I think its a series One!
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Brian G. NY
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Posted: 25 Nov 2011 at 10:33am |
Here are some pics that I saved from prior posts regarding the front mount pump.
I hope these will help.  |
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Brian G. NY
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Posted: 25 Nov 2011 at 10:38am |
Well, I can't seem to post more than 1 pic at a time today?!  
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Travis(NE)
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Joined: 24 Sep 2009
Location: Seward NE
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Posted: 25 Nov 2011 at 10:45am |
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All of the front pump parts were available from AGCO a few years back when I did my D-19 and I think someone was selling repop'd ones in Hutch this year.
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DaveKamp
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Location: LeClaire, Ia
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Posted: 25 Nov 2011 at 11:31am |
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Here... just added a picture to mine:
http://www.allischalmers.com/new/forum/forum_posts.asp?TID=29427&PID=313022#313022
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