Construction and other equipment - Allis chalmers 650 backhoe attachment

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Allis chalmers 650 backhoe attachment

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=24627
Printed Date: 04 Sep 2025 at 12:22pm
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Topic: Allis chalmers 650 backhoe attachment

Posted By: kris holden
Subject: Allis chalmers 650 backhoe attachment
Date Posted: 24 Jan 2011 at 7:15pm

i have just bought a 650 allis chalmers backhoe attachment and i am wondering about the hydraulics. how many gallon per minute pump i need and how big of a tractor will i have to put this attachment to. how much does the whole attachment weigh??? what are yalls recommendations for what size tractor and hydraulic punp needed.

Replies:

Posted By: Coke-in-MN
Date Posted: 26 Jan 2011 at 11:23pm

I have one also and it came off a HD4 with I believe a 24 GPM pump at 2200 PSI

1" lines from tractor to valve body .

cesna rotary piston for swing motor, that unit was also used on MF and some IH units.

hope you do not have to work on that as it's a real bear to get the seals in right on shafts.

Weight I would say is around 2500 or so

If you replace any of the ball joints on lever controls Simplicity parts for the rod ends work as I got mine from AC dealer out of lawn mover parts bens.

If you know anyone looking for one mine is for sale also.

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