Farm Equipment - cylinder size

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cylinder size

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=212525
Printed Date: 16 Oct 2026 at 12:05pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: cylinder size

Posted By: HudCo
Subject: cylinder size
Date Posted: 16 Oct 2026 at 9:59am

what size cylinder will i need to pull uploads/8753/IMG_1725_four_bottom.jpg" rel="nofollow - uploads/8753/IMG_1725_four_bottom.jpg this plow out of the ground

Replies:

Posted By: HudCo
Date Posted: 16 Oct 2026 at 10:02am

i have to extend 24 inches to undo the trans port lock , so i think that would be a 8 inch stroke , what size piston will i need?

Posted By: DrAllis
Date Posted: 16 Oct 2026 at 10:39am

It largely depends on what hydraulic system pressure you have. A D-17 before a series 4 is 3500-3700 psi and a series 4 and D-19 are 2,200 psi. I'm sure on that age of plow the typical AC high pressure ram worked just fine, but with hi-pressure. On a 2,200 psi system I'd imagine a 2 1/2" cylinder would be plenty and probably a 2 inch could get by.