Help! Kubota L2250 hydraulic failure

   / Help! Kubota L2250 hydraulic failure #1  

Johnbro

Gold Member
Joined
Aug 1, 2008
Messages
322
Location
Western Washington
Tractor
2010 Kubota L4240
Hello, this is my first post. Happy to find this forum!

My 1987 L2250 has been overfilled with THD for at least 17 years (long story, not interesting). For the last month or so it's had probably 3 gal too much THD in it. But it's been working great, although with this last overfill I noticed some leakage at the lower transmission fill area, but didn't worry about it. I realized the tractor had too much THD and assumed this was a overflow...

Today when using the tractor to do some raking the powersteering and hydraulics quit working. Also the engine was running a bit hotter than normal and smelling. FLuid was leaking out of the lower fill cap. When we pulled the cap the fluid poured out like from an artesian well.

Realizing it was over-full, we drained the THD down to the "h" mark on the sight glass, and started the engine. Power steering was restored but not the FEL or 3-pt hydraulics.

I will check the QD fittings tomorrow (just found a post on that here a minute ago) but is there anything else I should look at before I send it off to the dealer for repairs? Could this be a filter/screen issue? The fluid and filter have not been changed since I got it (ok, I'm a bad boy). I LOVE my tractor and am practically in tears because it's broken... it's my favorite tool.

Thanks in advance for any and all suggestions!
 
   / Help! Kubota L2250 hydraulic failure #2  
Hello John - this sounds like maybe isolated issues. Tractors have lots of room for hydraulic fluid - over filling may not have any effect by itself unless the level is so high the remaining air space is insufficient to handle the thermal expansion of the machine warming up. Now that it's had overnight to cool off how does it behave today?
 
   / Help! Kubota L2250 hydraulic failure #3  
Hello John - this sounds like maybe isolated issues. Tractors have lots of room for hydraulic fluid - over filling may not have any effect by itself unless the level is so high the remaining air space is insufficient to handle the thermal expansion of the machine warming up. Now that it's had overnight to cool off how does it behave today?
 
   / Help! Kubota L2250 hydraulic failure
  • Thread Starter
#4  
This morning I un-did and re-connected the QD fittings and everything's working again!!! I'm so happy I did the Dance of Joy.

Am going to change the hydraulic fluid as soon as I figure out what I can put under the drain pan that will hold 7 gal of dirty oil!

Thanks for helping...

JOhn
 

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