How to mount joystick control on 1970 4020

perzaklie

New User
I have a 1970 4020, SN 227XXX with a 148 loader. I'm currently running my 148 loader off the rear remotes but that is inconvenient if I need to use implements plus not as precise as a joystick.

I've found a number of articles on mounting a joystick on pre '69 4020s but nothing on '69 and later. Can anyone give me some direction on where I can tap into the hydraulics on mine? The early models have a fitting under the brake pedal but mine does not.
 
On late model 3020/4020 one can use an auxiliary outlet box(PBY)(parts key 3) between rockshaft housing & scv or for pressure tee into line under floorboard that supplies oil to rockshaft and return oil to a ported filter cover. Manifold costs from JD is R54312 Manifold - MANIFOLD,AUXILIARY OUTLET ADD 274.88 USD
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Used PBY

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Shop made ported filter cover

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