JD 4020 diesel hydraulics

Just brought home a 64 4020 power shift. When pushing trees out of a field a hydraulic fitting got snapped off and fluid spraying out looked like milk. Got an operator manual ordered but would like to get this fluid and two filters out asap. What is capacity for this unit w power shift? I use JD fluids.
 
(quoted from post at 15:31:55 05/03/23) Just brought home a 64 4020 power shift. When pushing trees out of a field a hydraulic fitting got snapped off and fluid spraying out looked like milk. Got an operator manual ordered but would like to get this fluid and two filters out asap. What is capacity for this unit w power shift? I use JD fluids.

Shop manual says 17 US gallons.

Likely, it will take less because of oil in various places that doesn't drain out or doesn't drain out relatively quickly.
 
Not sure how familiar you are with those Waterloo JDs,
you should pull out the suction screen and clean it
when you have the fluid drained. It sets a bit back and
lower than the filters. Uses a 1/2 square drive to take it
out. You can view and download the operators manual
for no charge from the link below. Here is a copy and
paste of how to navigate it.
When you find your applicable machine type and
model click the arrow pointing sideways so it points
down and it shows the operators manuals and other
tech manuals. Click the arrow to point down by Op
manuals there you can put it in your cart. Also there is
a square at the right with the arrow up to the right
corner when you click that you can view it. The down
arrow with the line under it will down load it to your PC.
If you prefer not to view the manual on your PC you
could print it off and put it in a 3 ring binder.
JD publication site
 
(quoted from post at 04:44:29 05/04/23)
Ditto hyd oil suction screen needs to be checked/cleaned. Also clean breather in hyd oil filler tube cap.

Another question please. I can save $150 on 15 gallons of fluid buying Mobil Delvac over JD. Used to sell Mobil products, always thought good quality. Any thoughts?
 
(quoted from post at 16:17:27 05/05/23)
Mobil Delvac Tractor Hydraulic Fluid Product Data Sheet says it meets the J20C spec, so should be fine in your 4020.

Thanks Jim! Can use that 150 somewhere else.
 

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