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7520 Hydraulics

N

newgenjdcollector

Member
Is there any particular reason what I couldn't do this in order to eliminate all the dumb hoses and old valves under the cab?

The 7520 Rockshaft housing is the same as a 4630 so I'm thinking this should be easy or am I missing something. And if so, why did they use the dummy couplers in the first place?

mvphoto41094.jpg


mvphoto41095.jpg
 
I replaced a damaged rockshaft
housing 20+years ago and i am pretty
sure i used a 4620 housing. Don't see
why it wouldn't work with some
creative plumbing and some morse
cables to control the hitch and
remotes.
 
There is no creative plumbing to be done. The rockshaft already has oil. You may also use the plate manifold to get 4 scv from 4055 series?
I dono think that you miss anything. 8 believe that at the ime Deere was probably unsure about cables for scvs.
 
(quoted from post at 14:49:53 08/14/19) Will the load/depth arm match up??
Click to expand...

I may need to get creative in order to get the L&D to work. On the 75 it is just a manual lever with a notched plate. If I can't make it work from the cab, no big deal, I can leave it off.

I also am working on an ingenious method to be able to shift the 75s hi/lo trans from the quad shift levers rather than mounting the big ol lever in the cab somewhere.
 
If you want the Lh plate that goes between rockshaft and scvs tthat double them and make it a quad hydraulics, I think only 4wd 50 series and up add them?
I could be wrong but this is very unimportant.
 
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