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D19 Hydrolic pump

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Tim Gregory View Drop Down
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Joined: 21 Feb 2024
Location: Indiana
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim Gregory Quote  Post ReplyReply Direct Link To This Post Topic: D19 Hydrolic pump
    Posted: 21 Feb 2024 at 9:45pm
I have a 1964 D19. It has a "Freeman 3000" front loader.  Yesterday, as I was raising the bucket, something in the tractor went "clang" and the engine choked out.  Tractor runs with the clutch pushed in but when the clutch is released, the engine drags down and dies.  Looking into the hydro fill hole shows that the fluid is not circulating.  If it is the pump gone bad, which I think it is, do I have to split the tractor to get to the pump?
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DiyDave View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 22 Feb 2024 at 4:12am
Fraid  so, if the pump cam shaft is affected.  You can determine by dropping the pump compartment's pan, removing the pump, to see what has grenaded.  About a 4-6 hr job, IIRR...  When it happened to ours, one of the cam follower bearings broke out, gouging a lobe or 2.  Was able to wrap emery cloth around the cam, and have someone bump the starter, while I sanded out the cam lumps enough to remove the worst of the damage...

I don't know about parts availability now, as this happened 40+ years ago, to ours.  Good luck...Thumbs Up
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Lon(MN) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lon(MN) Quote  Post ReplyReply Direct Link To This Post Posted: 22 Feb 2024 at 6:05am
I have a torque tube complete without a pump I would sell. 
http://lonsallischalmers.com
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 22 Feb 2024 at 6:40am
Time for an engine driven front pump if there's room for it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote captaindana Quote  Post ReplyReply Direct Link To This Post Posted: 22 Feb 2024 at 11:09am
Yup Doc called it. My 19’s pump was inop when I got her 20 years ago. I remove the guts and installed a front pump that someone on here sold me for 60 bucks. Hasn’t missed a beat.
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                          Dana
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Tim Gregory View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim Gregory Quote  Post ReplyReply Direct Link To This Post Posted: 22 Feb 2024 at 1:36pm
Kinda leaning to that front pump option.  Any chance you could post a picture of how it would be installed?
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DiyDave View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 22 Feb 2024 at 4:51pm
Scroll down to the Ebay link in this thread:  https://www.allischalmers.com/forum/d14-hyd-pump-drive_topic199902.html

May not be the exact kit you would need, but the mounting will be much the same.  You still need to pull the junk out of the torque tube, and check to see if that cam is broke, or if there is anything else amiss...
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Tim Gregory View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tim Gregory Quote  Post ReplyReply Direct Link To This Post Posted: 23 Feb 2024 at 8:59am
Is the hydro pump behind this plate?
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 23 Feb 2024 at 11:50am
No. The pump sticks out from the front of the plate. On a D-19 there is a void behind the sheetmetal/grille where I think the pump can fit.
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Nathan (SD) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Nathan (SD) Quote  Post ReplyReply Direct Link To This Post Posted: 24 Feb 2024 at 7:43am
The D19 front hyd pump setup is different. It uses a flexible shaft to drive the pump. Eldon (WA) I believe posted pictures of his years ago if someone can dig them out of the digital bowels.
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 24 Feb 2024 at 7:47am
I believe that was to get it tucked in behind the sheetmetal. It should be able to be done with the chain coupler style but haven't seen one in a while.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stan R Quote  Post ReplyReply Direct Link To This Post Posted: 24 Feb 2024 at 7:49am
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DrAllis View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 25 Feb 2024 at 11:21am
To locate an "original" OEM front pump ( about 5 to 6 GPM) I believe would be impossible. It was specifically made to fit in the very tiny space behind the grille. Besides, all the other A-C front loader pumps (pump always the same) were in the 10 to 12 GPM range, double the GPM's of this D-19 specific front pump. This higher pump flow rate allows the engine to be operated at half throttle or less and still have good loader boom/bucket power and speed, while increasing foot clutch life.
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