JD 2550 Jerking hydraulics at low rpm

   / JD 2550 Jerking hydraulics at low rpm #1  

richardga

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Joined
Oct 21, 2023
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1
Tractor
John Deere 2020
JD 2550 JERKING HYDRAULICS AT LOW RPM AND THREE POINT DROPPING AT ENGINE DHUTDOWN.
 
   / JD 2550 Jerking hydraulics at low rpm #2  
Welcome to this forum
How many hrs of use since hyd oil level was checked, hyd filter changed & hyd oil suction screen checked/cleaned???? 3pt dropping after stopping operation of engine could be caused from failed rockshaft piston seals or leaking rockshaft control valves. With hyd oil at operating temp, engine operating, 3 pt raised look into open hyd filler hole behind seat for moving/spraying oil. Moving oil indicates afore mentioned internal hyd leak locations.
 

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   / JD 2550 Jerking hydraulics at low rpm #3  
Which tractor do you have?

JD 2550

John Deere 2020

JD 2550 JERKING HYDRAULICS AT LOW RPM

What is tractor tachometer reading at "low" rpm?


 
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