175 Hydraulic Remote Valve interchangeably
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=210291
Printed Date: 05 Mar 2026 at 8:10am Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 175 Hydraulic Remote Valve interchangeably
Posted By: MisterDRH
Subject: 175 Hydraulic Remote Valve interchangeably
Date Posted: 04 Mar 2026 at 12:56pm
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I have a 175 with a seized remote valve that is being stubborn. I’ve had in a press with 5 ton of pressure on it without breaking the valve loose. It has been soaking for a week in various penetrating oils. I am now looking at finding a used replacement and am wondering about remote valve off different models manufactured in the same period. Are the remote valves on 170s, 180s, 185s or 190s interchangeable with the remote valves on a 175? Thanks.
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Replies:
Posted By: MisterDRH
Date Posted: 04 Mar 2026 at 2:34pm
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The section assembly number for the remote cylinder valve for the 170 and 175 is 242543-7. This is the part number for the complete remote valve assembly. Does anyone have a 180, 185, or 190 parts manual to check this number against? Thanks
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Posted By: DSeries4
Date Posted: 04 Mar 2026 at 2:41pm
The valve sections are common with most of the other 100 series models. I got a new section around 10 years ago from my local hydraulic shop around 10 years ago.
------------- '49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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Posted By: DrAllis
Date Posted: 04 Mar 2026 at 6:45pm
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The last one I had that was stuck the problem was at the rear in the detent mechanism. People don't replace the rubber dust plug at the rear of each spool valve and then, over time, everything gets all rusted up. My spool wasn't stuck in the valve body. The detent/return springs were so rusted up the spool couldn't move. Take the two Allen bolts out and see if the spool won't slide out of the body.
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