JD tractor troubles

[mikegahr]

I have a JD 4430 tractor that i bale and load hay with, when i quit baleing Friday everything was running fine then i started up saturday morning i didn't have any hyd. couldn't raise the baler door, loader works slow and the wheels would only turn a little each way. A mechanic came out yesterday and turned the pump upand it help a little, any ideas?

 

[Anonymous]

Pump is shot, hyrdo fluid has water in it, filter clogged, spool valves stuck.....