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COD 
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Location: Mississippi
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 Topic: Hydreco pump part number
Posted: 02 Jan 2022 at 10:05am |
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Hello everyone! Does anyone know the Hydreco pump part number for an HD5B? The hydraulics aren’t listed or shown in the manuals I have.
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
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Posted: 02 Jan 2022 at 12:29pm |
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Seems no parts are around for that pump that i have found - Early machines used a Vickers gear pump but the parts to drive it from engine can't be found .
I took one of the pumps I had to hyd shop to see if they could get more pressure from unit as it use to stall engine if left in raise position at end of stroke of loader arms ,
They said the pump was shot and not repairable - so put it back on machine and it still works , just low pressure .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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COD
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Posted: 02 Jan 2022 at 12:36pm |
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Google pretty much tells me the same thing.👎 does anyone know the specs on it or a replacement pump that will fit with modifications?
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Ages Cat
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Joined: 12 Sep 2009
Location: Hutchinson, MN
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Posted: 02 Jan 2022 at 1:52pm |
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A hydraulic shop should be able to find a replacement based on dispacement and pressure. I looked for a replacement pump for the 540 loader last summer. The AC pumps are unique to AC at least on the later models. I ended up rebuilding it.
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Curt Anderson
HD3, HD5B, HD6AG,HD6B dozer, I-400,615, 616,620,720,ACP25 lift truck, 1956 D Grader, AC 540 loader, AC #84 plow, Simplicity tractors, Agco MT225, Agco 2025,
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COD
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Posted: 02 Jan 2022 at 2:06pm |
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Where did you find a rebuild kit for it?
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Codger
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Posted: 02 Jan 2022 at 2:29pm |
Edited by Codger - 03 Jan 2022 at 5:56pm
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COD
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Posted: 02 Jan 2022 at 5:49pm |
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I have thought about something along those lines. It’s just a simple hydraulic circuit. I really need to know the specs on the pump so I can get a replacement with the correct flow at RPM. Thanks for the diagram. Where did you find that?
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Codger
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Posted: 02 Jan 2022 at 6:14pm |
Edited by Codger - 03 Jan 2022 at 5:55pm
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DiyDave
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Posted: 02 Jan 2022 at 6:18pm |
I set the wayback machine back, a little, Sherman. This thread may give you some of what you are looking for:
Edited by DiyDave - 02 Jan 2022 at 6:19pm
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Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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COD
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Posted: 02 Jan 2022 at 8:32pm |
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Thanks guys!! I appreciate the help! I figure I can engineer something to work now that I know somewhat of some pump specs. Going with a cane pump versus gear is a great idea! Putting on my MacGyver hat.👍
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Codger
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Posted: 02 Jan 2022 at 8:46pm |
Edited by Codger - 03 Jan 2022 at 5:56pm
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Coke-in-MN
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Posted: 03 Jan 2022 at 9:14am |
Flow on the Hydreco pump is around 30 GPM at 1800 rpm and around 1200 psi. from what i remember . Early HD5G used a vickers vain pump but later was the gear pump
Thanks for the way back search - 2014 on the pump - knew it had been discussed before .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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COD
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Posted: 03 Jan 2022 at 1:36pm |
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Thanks Coke.
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gemdozer
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Posted: 03 Jan 2022 at 3:46pm |
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You can try 2025g1gb hydreco
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COD
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Posted: 04 Jan 2022 at 10:03am |
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Thanks Gem. Dumb question……is the shaft on the pump splined or keyed shaft? Anybody know the shaft size?
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gemdozer
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Posted: 04 Jan 2022 at 1:15pm |
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I dismanled 5 or 6 HD5 and the pump shaft was splenne and am't remember the shaft size but should be 1 inch
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Coke-in-MN
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Posted: 05 Jan 2022 at 11:09am |
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It's a splined shaft that fits into a drive type device that then fits into plate bolted to the front pulley< all kind of lose fitting pieces .
That is where the quandary is in mounting another pump to replace present one , making a drive plate that has some flex for perfect alignment . With some innovation it's possible but not a lot of room to do to many things in front of the engine
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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rcwitzel
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Posted: 05 Jan 2022 at 9:51pm |
COD; The shaft is 1". Will any of these parts help you? If the pump is correct, I can take it apart to verify it is good. Message me if you are interested.
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Joe(TX)
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Posted: 06 Jan 2022 at 10:13am |
I found a number of sources for parts including a Hydreco web site. I have used Womack supply in the past. Any good hydraulic rebuilder could get parts. However if the housing is damaged, it's probably not worth it. Knowing the pump specs would help. Input shaft size and spline count. Pump flange size. (B or C) Gear width and diameter. Most pumps I have worked on had a PN stamped on the flange. There are a lot of pumps out there that will probably fit. Do some research.
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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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COD
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Posted: 21 Jan 2022 at 8:31pm |
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rcwitzel I sent you a pm.
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