4 in 1 Bucket

WayneB

Member
Mounting a 4 in 1 bucket on a 1955 Allis Chalmers HD-5G.
What is the best way to rig the extra line needed for the 4n1 bucket cylinders?
 
Second question:
What is the GPM flow, if I replace the current valve set with one with more levers.
 
Found that answer rather easy.

"Flow on the Hydreco pump is around 30 GPM at 1800 rpm and around 1200 psi. from what i remember .
Early HD5G used a vickers vain pump but later was the gear pump." Coke-in-MN
Allis Page Post
 
Running a different valve with an extra spool like your talking about would work great. The alternative would be to use the current valve with a power beyond valve, and a single spool valve for the extra function.
 
I either have to replace the current valve body or put a gasket on it. Minor weep/leak.
My thinking is the lift spool valve should have a float feature, for the bucket blade.
 
The valve with extra spool might be a better option.The only problem with most power beyond set ups is you cant use the bucket clamp cyls at the same time as an other functions.
 
So far I am only finding 25GPM setups.

I have a 4 lever backhoe cylinder with 2 outrigger controls ON-HAND off a Dynahoe. Too easy to pull the extra handles. Certainly will handle the volume. Used it, so I know it is good.
 

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