Yanmar F20 Hydraulic oil

   / Yanmar F20 Hydraulic oil #1  

Anonymous Poster

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I recently bought a used Yanmar F 20 and know very little about it. I did check the fluid levels and found the transmission / hydraulic fluid to be low. I bought a 5 gal can of "universal tractor transmisson /hydraulic fluid . It shows that is approved for IH, Kubota, John Deere, White and others. I does not specificly mention Yanmar. Is this the correct lubricant?
Thanks
 
   / Yanmar F20 Hydraulic oil #2  
Great machine, the standard fluid is fine, enjoy, bw
 
   / Yanmar F20 Hydraulic oil
  • Thread Starter
#3  
Most manuals seem to specify fluid that states it is compatible with JD 303 (which seems to be standard).
 
   / Yanmar F20 Hydraulic oil #4  
The Yanmars with wet brakes, like this one, should actually run JD20A compatible Hy/Trans, but most universal Hy/Trans is rated compatible with both JD303 and JD20A, so you are in good shape with the advice given above.
 
   / Yanmar F20 Hydraulic oil
  • Thread Starter
#5  
Thank you all. I was concerned about it. I added it this morning. Funny thing happened after I did it though. I have had a battery light on since I got the tractor. I had measured the battery voltage not running and had 12.xx volts then I started it and it read 14.8 volts with a multimeter so I did not worry about it. After I added the oil to the transmission the battery light went out???. Is one of the lights on there supposed to show low transmission oil? maybe the leads are crossed. /forums/images/graemlins/confused.gif
 

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