425 hyd fluid ????

   / 425 hyd fluid ???? #1  

weeder

Silver Member
Joined
May 12, 2015
Messages
225
Location
Tuscola Illinois
Tractor
John Deere 425 lawn tractor
Hi everyone, I have 425 1996 model, I noticed today that the level of oil is low.... This is not engine oil but this is checked under the seat and has a dipstick. Is this regular HYD oil to add or a special John Deere oil? I don't have any books for this garden tractor.

Thks weeder......
 
   / 425 hyd fluid ???? #2  
This is listed in the on-line 425 Operator's Manual:

Anti-Chatter Transmission Oil
NOTE: Tractor is filled with John Deere Low Viscosity HY-GARD® (J20D) transmission oil at the factory. DO NOT mix oils.

These tractors are equipped with a hydraulic wet disc PTO clutch. To avoid chatter, use only Low Viscosity HY-GARD® (J20D) transmission oil. DO NOT use type "F" automatic transmission fluid.

John Deere Low Viscosity HY-GARD® (J20D) transmission oil is specially formulated to minimize clutch chatter, and to provide maximum protection against mechanical wear, corrosion, and foaming. Low Viscosity HY-GARD® may be used in all temperatures.
 
   / 425 hyd fluid ???? #3  
That is a special John Deere hydro-static oil called Lo-Vis HyGard. Have used that for many years. It cost about 13+ a gallon so isn't that expensive either.
 
   / 425 hyd fluid ????
  • Thread Starter
#4  
Thanks Guys gonna get some this week at the John Deere place!
 
   / 425 hyd fluid ???? #5  
And good idea to change the tranny filter too.
 
   / 425 hyd fluid ????
  • Thread Starter
#6  
I never have, I didn't know there was a filter on it for that. All I ever changed was the oil and filter. Is it hard to do that?
 
   / 425 hyd fluid ????
  • Thread Starter
#8  
Where is the drain plug on the transmission? Underneath? I looked under and saw the filter..looks like somebody had tried to take the filter off because it is bent in in a couple of places. I hope it is not froze on there?
 
   / 425 hyd fluid ???? #9  
The filter has to be changed. The plug for draining, if I remember correctly, is on in the lower rear. Owners manual will tell, or even a google search. Good luck.
 
   / 425 hyd fluid ???? #10  
Deere Dude is correct on the drain plug.. to the rear, lower right-of-center. (per pic in owners manual). Will be good to have one.
 

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