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AC 170 hydraulic pump

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=201507
Printed Date: 28 Nov 2024 at 12:15am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: AC 170 hydraulic pump
Posted By: luislanza
Subject: AC 170 hydraulic pump
Date Posted: 26 May 2024 at 4:18pm
I'm looking for a hydrulic pump for my 170 or at least the middle plate for it. Does anybody have ove one or know where i can get one.  Tractor kind of useless without it.

thanks



Replies:
Posted By: 8070nc
Date Posted: 26 May 2024 at 4:55pm
Orangeman had one for a d17 series 4 a while back. Now that I think about it the 170 pump is probally different because 170s have hydrostatic power steering

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1984 80780
1957 D14
DES 300 with 25000 engine
616 tractor


Posted By: DrAllis
Date Posted: 26 May 2024 at 5:54pm
Which 170??  Side pump or pump under the radiator ??


Posted By: DanielW
Date Posted: 26 May 2024 at 5:55pm
I had a friend whose father needed the same thing: middle plate for the pump on a 170 (side mount pump). He brought the old one (cracked in half) to a machine shop with a indicator on their CNC mill, who matched the old one and made a new one. I think he told them to make the bore 1 or 2 thou undersized to account for wear over the years, and the outside was about 1/4" larger all-around to give it some more strength. I had my doubts about it working because tolerance is so critical on that type of pump, but it worked beautifully.


Posted By: luislanza
Date Posted: 26 May 2024 at 6:24pm
side pump


Posted By: DrAllis
Date Posted: 27 May 2024 at 6:46am
I don't know for sure but would imagine AGCO would still have the broken plate in their parts system. Find someone who can go thru your pump and replace it and know the pump is good versus finding just a "used" pump.



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