190xt hydraulic pump rebuild
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=177639
Printed Date: 29 Aug 2025 at 5:49am
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Topic: 190xt hydraulic pump rebuild
Posted By: HagerAC
Subject: 190xt hydraulic pump rebuild
Date Posted: 18 Jan 2021 at 6:40pm
I am in the process of rebuilding my 3 section hydraulic pump on my 190xt III. I was able to get all the gears and plates and everything i needed from AGCO, however I will have nearly as much into this pump as i will into my engine overhaul. Anyway my A-C service manual states that a Loctite sealer should be used in between each section when assembling. So I'm just wondering exactly what i should use? It states to put it just inside the bolt holes of each gear plate.
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30+ A-Cs ranging from a 1928 20-35, to a 1984 8070FWA, Gleaner R52
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Replies:
Posted By: MACK
Date Posted: 18 Jan 2021 at 9:15pm
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Use a very small amount of red Loctite. MACK
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Posted By: Carl(NWWI)
Date Posted: 19 Jan 2021 at 8:31am
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I used loctite 515 on the last one I did.
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Posted By: tbran
Date Posted: 19 Jan 2021 at 1:57pm
We have rebuilt dozens, never used anything with the new type seals. IF a pump has blown out we check them on a flat glass and fine wet sand paper to make sure they are flat.
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When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: MACK
Date Posted: 19 Jan 2021 at 9:36pm
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I'm with you thran, I never use any sealer . It's good insurance for a first timer. MACK
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Posted By: Lonn
Date Posted: 20 Jan 2021 at 1:20pm
Would it have been cheaper to buy a new pump? I have no idea on the cost of rebuilding that pump but my 200 was kinda rebuilt by a AGCO dealership. They resealed it, but no other parts, and they flushed the system supposedly and new oil and filter and replaced a hose that goes to the oil cooler and my bill was $2000. A new pump is $2000 from AGCO. I didn't expect that cost and I wish I would have just bought the new pump and did all the rest myself.
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Posted By: HagerAC
Date Posted: 23 Jan 2021 at 7:08am
Only replacement pumps available are from A&I i believe and they're $2300. They also do not have bearings in them. Just bushings and they don't last is what i was told.
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30+ A-Cs ranging from a 1928 20-35, to a 1984 8070FWA, Gleaner R52
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Posted By: DrAllis
Date Posted: 23 Jan 2021 at 7:27am
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It would be interesting to follow up on that claim of "don't last as long". I know of quite a few older 190/190 XT's (this is the pump we are talking about) that may have went 5,000 hrs without any failures and when they did it was probably just a reseal job or a blown section plate, not a bearing rebuild. A tractor that had a loader on it and was used everyday would be a real test unit. None of these 50 yr old tractors get the usage they did 50 yrs ago, so if that new pump only lasted 3,000 hrs, that would be a LONG time in my books.
The hydraulic pumps on many of the Gleaner combines (K-F-G) had bushings in them and a belt yanking the shaft/pulley sideways all day long and they seemed to hold up pretty well.
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