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Slow hydraulics

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=193805
Printed Date: 12 Oct 2025 at 6:02am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: Slow hydraulics
Posted By: mikeyD
Subject: Slow hydraulics
Date Posted: 28 Feb 2023 at 4:48pm
They used to raise my 3-point fast enough that I did not have to slow down to lift my disc and turn.
Now I have to stop and after about 3 seconds they start slowly raising.
Any ideas would be appreciated.



Replies:
Posted By: DiyDave
Date Posted: 28 Feb 2023 at 5:21pm
Start with the basics, have you checked fluid level?

You didn't mention the tractor model, also if it has one, have you changed the filter and oil recently?


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Posted By: Tracy Martin TN
Date Posted: 28 Feb 2023 at 5:22pm
What tractor? What other symptoms? Tracy

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No greater gift than healthy grandkids!


Posted By: steve(ill)
Date Posted: 28 Feb 2023 at 5:28pm
this time of year, a little water contamination can freeze and cause little ICE CHUNKS that cause problems in the pump... You could pull the drain plug and drain out a quart and get an idea of what the oil condition is..

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Posted By: mikeyD
Date Posted: 28 Feb 2023 at 5:36pm
DiyDave - fluid level good...Allis C and Ford NAA...no filter or oil change
Tracy - no other symptoms
steve(ill) - that is what i will try next
Thanks all for replies.


Posted By: PaulB
Date Posted: 28 Feb 2023 at 6:28pm
The Allis C doesn't have a filter or even a screen on the pump inlet, unless one has been added at some time. Cruddy oil can gum up the check ball in the pump. I goo flush of the transmission/PTO/Hydraulic pump is the first and easiest thing to do.
 The Ford should have a screen on the inlet down inside of the transmission case. Sometime you can back flush it by removing the tube from the transmission to the pump. Cruddy oil is most likely your problem here as well. 


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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY


Posted By: Tbone95
Date Posted: 01 Mar 2023 at 6:38am
Wait, so it's doing it on 2 different tractors beginning at the same time?


Posted By: plummerscarin
Date Posted: 01 Mar 2023 at 11:43am
Implement hydraulic couplers if symptom is same for both tractors?


Posted By: mikeyD
Date Posted: 01 Mar 2023 at 6:31pm
PaulB - Thanks, will change fluids in both tractors

Tbone95 - yeah, the allis was just slow, now wont lift at all

plummerscarin- not quite sure what you mean

Thanks, all for responses


Posted By: plummerscarin
Date Posted: 01 Mar 2023 at 6:44pm
Wrong train of thought. Never mind me


Posted By: Tbone95
Date Posted: 01 Mar 2023 at 10:00pm
The way you answered the one question about which tractor, you made it sound like the Allis and the Ford had slow hydraulics   Possibly. That’s what Plummer and I were trying to clarify.


Posted By: plummerscarin
Date Posted: 01 Mar 2023 at 10:15pm
I re read OP and saw him say 3pt. But then later said 2 tractors with same problem so thought pull type with hydraulic cylinder
Need clarification now


Posted By: Tbone95
Date Posted: 02 Mar 2023 at 6:32am
I guess I forgot about 3 point. The two tractors comment threw me off and I was thinking cylinder as well.



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