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blumrs3 
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Joined: 04 Aug 2018
Location: Marion, IL
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 Topic: wd45 hydraulic pump removal
Posted: 04 Aug 2018 at 7:20pm |
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Can someone tell me how to remove the hydraulic pump from a WD45 Allis Chalmers tractor?
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TedBuiskerN.IL.
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Joined: 11 Sep 2009
Location: Davis, IL.
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Posted: 04 Aug 2018 at 7:57pm |
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You can get it off without removing the frame rail, but you have to depress and hold the cam followers, two short 1/4 in bolts flattened and inserted at the pivot points will work. You may have to cut the heads off the bolts.
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Most problems can be solved with the proper application of high explosives.
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Sugarmaker
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Joined: 12 Jul 2013
Location: Albion PA
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Posted: 04 Aug 2018 at 9:35pm |
Frame rail off is the best but its not the eaisiest!:) I have never taken one out with the frame rail in place. I have heard about nails holding things too. Regards, Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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MACK
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Posted: 04 Aug 2018 at 9:58pm |
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Four fingers on the four pumping plungers and it will come right out. No problem. MACK
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Auntwayne
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Posted: 04 Aug 2018 at 10:49pm |
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We have replaced 3. Never removed rail or cut bolts.
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Dad always said," If you have one boy, you have a man. If you have two boys, you have two boys". "ALLIS EXPRESS"
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Brampton 02 gt
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Posted: 05 Aug 2018 at 8:27am |
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Harder to put back on with out ripping new paper thin gasket and or getting dirt or grease onto back side of pump. Just takes some patience. It needs to find the right angle to slide in.
Edited by Brampton 02 gt - 05 Aug 2018 at 8:27am
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albrown915
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Posted: 05 Aug 2018 at 11:42am |
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4 of8 or 10 penny nails flattened a little and bent just a hair inserted between each roller arm and housing. Then pump will slip in .
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irlbeck A-C'S
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Location: Crestview FL.
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Posted: 05 Aug 2018 at 3:55pm |
As others have said, It will come out and go back in without taking off the rail. Just need to wiggle it in and out. The pickup tube bends downward from the bottom so you will need to pick it up and tilt it so it will clear. The hold valve unbolts from the top. I found it easier for me to disconnect one line at the adapter on the back of the hold valve and the others can be disconnected at a swivel connection on the other end of the hose. Also seems like i may have double nutted a couple mounting studs to remove them and that gave me a little more clearance. It's been a few years though. Hard for me to remember things from yesterday. LoL... After thinking a bit. It may have just been the bottom stud i took out. Seemed to make it a little easier going back in.   
Edited by irlbeck A-C'S - 05 Aug 2018 at 4:20pm
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B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff
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B26240
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Joined: 21 Nov 2009
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Posted: 05 Aug 2018 at 4:20pm |
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When you get it out make sure you clean oil sump, mine was black slime on the bottom. Makes me wonder how long the engineer worked on this to make the least possible amount of room to r&r pump.
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Alvin M
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Location: PA
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Posted: 05 Aug 2018 at 4:45pm |
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take pto shifter off. remove pump out the bottom .put in from the top. push plungers in with fingers lay pump in rail put gasket on studs push in on pump put on nuts .that is how I do them
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chalmera
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Posted: 05 Aug 2018 at 6:11pm |
You'll probably mess it up the first time. I always do.
Take off the rail, fewer than a dozen bolts. Chase all threads, clean, make room, give yourself a good chance to get it right.
If it leaks, it will be easy to fix next time.
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MACK
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Posted: 05 Aug 2018 at 8:17pm |
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Put gasket I last. With pump started in hole, slide gasket around pickup tube and onto studs then pump onto studs. Have hundreds out and in over the last 50+ years and never tore a gasket. MACK
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OwlCreekFarm
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Joined: 05 Feb 2022
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Posted: 07 Feb 2022 at 8:56pm |
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I know this is an old thread, but perhaps someone is still around. Does anyone know where to get a pump rebuild kit? Is it difficult to rebuild?
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Allis dave
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Joined: 10 May 2012
Location: Northern IN
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Posted: 12 Feb 2022 at 3:48pm |
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AGCO still sells rebuilt parts and kits for these. I rebuilt mine about 12 years ago. It's not hard, just be careful. Get a WD45 service manual off email, it explains the rebuild well.
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dr p
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Posted: 12 Feb 2022 at 4:26pm |
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I think Chris pointed a thread of a rebuild a while back
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OwlCreekFarm
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Posted: 12 Feb 2022 at 6:47pm |
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Thanks! I called AGCO and they no longer carry any replacement parts for the hydraulic pump. Any ideas of aftermarket resources?
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
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Posted: 12 Feb 2022 at 8:00pm |
 OwlCreekFarm wrote:
Thanks! I called AGCO and they no longer carry any replacement parts for the hydraulic pump. Any ideas of aftermarket resources? |
I'd be suspecious of that answer. Sounds like lazy parts help. I'm sure you can't buy plungers or sleeves but can't believe they don't still have seat,balls and springs. Everything else is gaskets and orings.
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Albert
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Location: NW MO
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Posted: 12 Feb 2022 at 9:32pm |
Ziegler AG Maryville MO keeps the Gaskets seals o-rings and most of the springs in stock also keep the balls. 660 582 5150 Albert
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Thad in AR.
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Location: Arkansas
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Posted: 13 Feb 2022 at 5:30am |
Albert wrote:
Ziegler AG Maryville MO keeps the Gaskets seals o-rings and most of the springs in stock also keep the balls. 660 582 5150Albert |
Hello Albert. It’s been a while. I believe you sold me my rebuild kit for one of my 45’s back in the Dean ag days. Glad to see you on here. I just bought a new project. Will be calling you.
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Allis dave
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Posted: 13 Feb 2022 at 10:30am |
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I would get a parts books off ebay or lookup the part on AGCO's site. I bet they'd have them if you actually gave them part numbers.
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Sugarmaker
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Posted: 13 Feb 2022 at 5:50pm |
You may ask Brenda at Sandy Lake Implement. That is where I got my kit. But it was a couple years ago?? There are a lot of parts in there! Just sayin..... Regards, Chris
Edited by Sugarmaker - 13 Feb 2022 at 5:51pm
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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