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HD-5G 4n1 Bucket Spool Valve

W

WayneB

Member
I by no mean claim to be an expert on hydraulics.
I know enought to get my jobs done.
Based on the on-line information I have found, the Allis Chalmers HD-5G pump pushes 30 GPM, but at only 1200PSI. I am looking to add a spool as power beyond for the 4n1 or to install a 3 or 4 lever replacement valve body. I am energised to replace mine, it has a small constant leak, requiring a gasket.

Most valve bodies can only be adjusted down to 1500 PSI. Not sure whether that is a show stopper...

Another issue is most 30GPM get it at 3000PSI.

If I don't use the Bucket on my Allis Chalmers, it is a perfect fit for my backhoe.

Found two identical 40GPM valve bodies. Would mounting these together, one for old controls and the other for 4n1 (and whatever I want extra) work?

I am motivated to find answers before I start installing the bucket.


Wayne
 
My just be me but have been doing this for over 50 years and seems to me you are "Making a mountain out of a mole hill" as the old saying goes. I know you want to do it right but first I doubt the 30 gpm is there second the difference in 1500 and 1200 is not going to hurt the old machine. Me I would find a junk yard that has the three spool valve that was common on ever international td15B or C ( easy to find) jerk the complete ac valve off mount the ih and be going with half days labor. You could also use the one from 175b & c ih loader but probably harder to find.
 
Thanks,
If 30GPM is not a hard figure and 25GPM will do, I have lots of options.
I appreciate your comments.

Wayne
 
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