engine oil in hydro

   / engine oil in hydro #1  

GaryS

Gold Member
Joined
May 29, 2004
Messages
344
Location
franklin park, pa
Tractor
Kubota L3901 & LA525
While changing the hyro oil, I accidentally dumped in about a cup or two of engine oil. I've not started it up so I could drain it all out and replace with all hydro again if needed.

Is there any harm is having a couple cups of engine oil in the hydro? The transmission holds 7.7 gallons so it seems like a small amount.

thank,
gary
 
   / engine oil in hydro #2  
that small amount I would not even worry about. Now if you has two gallons I would be a little more concerned.
 
   / engine oil in hydro
  • Thread Starter
#3  
Thanks, i kinda hoped that was the case but I wanted to be sure before firing it up and doing any damage.
 
   / engine oil in hydro #4  
It won't hurt anything. In fact you could probably run all engine oil in there and it would not hurt anything. My JD skid steer specs engine oil for the hydraulics.
 
   / engine oil in hydro #5  
i agree.

I run heavy equipment that you can put 30w or 40w engine oil in the tranny and 30w in the hyds.

I know lots of guys that used to be able to get 10w 20w 0r 30w cheap engine oil cheper than hyd oil and used it.


I wouldn't bat an eye at putting a lil new engine oil in the hyds.

heck.

on dusty mowing days when i am changing out the oil in the oil bath air breather cup 2x or 3x.. I won't hesitate to use utf in the cup if that's what I have handy.. :)
 
   / engine oil in hydro #6  
Good question.... But no harm done at all!
 

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