John Deere 850 Loss of Hydraulic Pressure

   / John Deere 850 Loss of Hydraulic Pressure #1  

mglodowski

New member
Joined
Mar 31, 2014
Messages
2
Location
Amherst
Tractor
John Deere/850
Been having issues with losing hydraulic pressure after changing screw on type in line hydraulic filter. Did some trouble shooting and I have found the check valve that should open once the filter is screwed in place. What I am wondering is if the JD filter TY9425E is the right style filter or if I am missing a spacer that should be screwed on with the filter to help open the check valve?
 
   / John Deere 850 Loss of Hydraulic Pressure #2  
There are a few different filter applications for the 850 there is a early filter for serial numbers up to 16000 and later filters are different even a different number if they have a dealer installed power steering. The filter number you have is for an early 850.
 
   / John Deere 850 Loss of Hydraulic Pressure
  • Thread Starter
#3  
The tractor is a 950 not a 850. Would the 16000 and under still apply for this tractor for this filter number and we're would I look for the serial number.
 
   / John Deere 850 Loss of Hydraulic Pressure #4  
On a 950 the serial number cutoff is 20000 it appears to be the same the serial number is above the rear pto.

Here is the link to the JD parts lookup

John Deere - Parts Catalog
 

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