1986 Deutz-Allis hydraulic filter

[Hickory Creek]

I am at a loss as to what filter fits this tractor. I finally got a small 5 foot bush-hog and the hitch does not want to operate most of the time. The tractor has been sitting up for two years. I have had it 10 years and never changed filters.. Yes, I know a lot of maintenance should have[ been done that wasn't.
Deutz-Allis 1986
Production I.D. 1456
Model 5230
Orange Filter Fram color only markings 9V28
There is a knob front of seat that can be turned to control speed of lifting action of 3 point. Sometimes it will move if I screw it back and forth, but I am betting on the filter being clogged. Cannnot find a place to drain oil either.
Any help appreciated.

 

[DeutzFahr85]

Being built by Hinomoto and sold by Agco the first place I'd go for the filter is back to an Agco dealer.

 

[Hickory Creek]

Being built by Hinomoto and sold by Agco the first place I'd go for the filter is back to an Agco dealer.

Thanks.

 

[topbuilder]

Are you sure you have a hydraulic filter? The previous model had a cleanable screen. I would think low oil level before clogged filter. The trans and hydraulics are likely together. Drain plug under the transmission.

 

[Hickory Creek]

Thanks. I have a filter and I found a replacement on Amazon. WIX5515 as I remember. Will look at tractor next time I go to farm. It is located just left hand side just back of seat.