Farm Equipment - Gpm flow to run 180 power steering system

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Gpm flow to run 180 power steering system

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=209781
Printed Date: 19 Jan 2026 at 2:22pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Gpm flow to run 180 power steering system

Posted By: Chuck in (wi)
Subject: Gpm flow to run 180 power steering system
Date Posted: 19 Jan 2026 at 12:11pm

We put a 180 front end and steering orbital on a 301 swapped wd45 and going to run it off a belt driven pump wondering what size gpm pump we weold need to effectively run it would a d19 power steering pump have enough flow plus it would have a relief valve?

Replies:

Posted By: DrAllis
Date Posted: 19 Jan 2026 at 12:31pm

A healthy D-17/19 belt driven pump is about 8 GPM and has a 1600 psi relief valve built into it. Should work fine. At a slow idle, you might have to throttle it up a little bit for easier steering. Depends on how much weight is on the front wheels.