Oil & Fuel Kubota b2920 hydro oil capacity

   / Kubota b2920 hydro oil capacity #1  

ericher69

Veteran Member
Joined
Aug 19, 2008
Messages
1,666
Location
Ontario Canada
Tractor
2008 Kubota b2920
I changed the hydro oil and filters. Added 15L of super UDT ran it at 2000RPM for a few minutes and shut down. Next day checked cold. Way over full!! Ran again and drove it around the yard. Parked and rechecked the next day. Way over full!! Is the capacity less than 15L or did I not get all the oil out? Drained from the bolt next to mid PTO and bolt on the tranny case between filter and axle. I don't get it?? Yes I have WSM and followed directions.

Any help appreciated since it's snow season and it will need to go to work soon
 
Last edited:
   / Kubota b2920 hydro oil capacity #4  
I "try" to always check the oil level before draining and then watch how much I was able to drain out... That way I usually will replace the same amount that was removed...
Measure the round drain pan to get you a close guess as to how much came out... If your 10 percent (or Less) over filled, I would not give it a second thought... If your more than 10 percent over... just remove a bit. KennyV
 
   / Kubota b2920 hydro oil capacity
  • Thread Starter
#5  
I "try" to always check the oil level before draining and then watch how much I was able to drain out... That way I usually will replace the same amount that was removed... Measure the round drain pan to get you a close guess as to how much came out... If your 10 percent (or Less) over filled, I would not give it a second thought... If your more than 10 percent over... just remove a bit. KennyV

Was doing engine oil, hydro at the same time using the same bulk waste container so this is not an option.

Will operate it again tomorrow let cool and recheck. I will drain some if needed.

Thanks
 
   / Kubota b2920 hydro oil capacity #6  
Check when it is hot & expanded... you can be a lot over full in the hydraulic system before you are going to have any problems... In an engine you can whip up the motor oil with the crank...
 
   / Kubota b2920 hydro oil capacity #7  
When I change mine I start with less than I think I should add then just keep topping it off until the dipstick shows full. That ridiculous yellow dipstick is almost worthless on the 2620. I read somewhere where folks have painted the stick black.
 
   / Kubota b2920 hydro oil capacity
  • Thread Starter
#8  
When I change mine I start with less than I think I should add then just keep topping it off until the dipstick shows full. That ridiculous yellow dipstick is almost worthless on the 2620. I read somewhere where folks have painted the stick black.

I did do this; put in 12L instead of 15L and kept on checking but after running and cooling its way over.

I may try something with the yellow dipstick. Will call the dealer in am to speak with a mech and see how much they put in.
 
   / Kubota b2920 hydro oil capacity #9  
When I bought my first Kubota, a used BX-23, the dealer had over filled the hydraulic oil so much that it came out a relieve valve over the rear axle. I thought I had a leak.
 
   / Kubota b2920 hydro oil capacity #10  
There are 3 bolts to remove to drain the transmission. Did you pull all 3?
 

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