L2800 shaky, weak, Hydraulics problem

   / L2800 shaky, weak, Hydraulics problem #1  

DanielTerence

Bronze Member
Joined
Mar 24, 2006
Messages
63
Tractor
Kubota L2800
When I raise/lower the FEL, brush hog, or steer the tractor when moving I get a shaking or shuddering feeling. It seems to lessen if I run the engine at a higher RPM. I bought the tractor new in 2006 and it has 200 hours on it, so I don't use it a lot, but I do run it at least a few hours each month - more in the Summer.

I did the 50 hour maintenance, but I'm not a tractor mechanic. So just looking for suggestions before I have it hauled to the dealer for repair.
 
   / L2800 shaky, weak, Hydraulics problem
  • Thread Starter
#2  
By the way, when i checked the site glass the level is full
 
   / L2800 shaky, weak, Hydraulics problem #3  
Check the rubber suction hose above your right foot. It is about 8" long and has a few bends in it. They crack and it will allow air to get into the line. It will cause what you are describing. The one on my L3400 has a crack and I bought a new one that I need to install.
 
   / L2800 shaky, weak, Hydraulics problem #4  
Check the rubber suction hose above your right foot. It is about 8" long and has a few bends in it. They crack and it will allow air to get into the line. It will cause what you are describing. The one on my L3400 has a crack and I bought a new one that I need to install.

exactly what happened to mine at around 200 hours. what was interesting was that shortly after i discovered the stuttering i came inside to do a quick search on TBN and within minutes returned to my tractor and found the crack in the hose. truely a fantastic resource. it potentially saved me a trip to the dealer and alot of money!
 
   / L2800 shaky, weak, Hydraulics problem #5  
When I raise/lower the FEL, brush hog, or steer the tractor when moving I get a shaking or shuddering feeling. It seems to lessen if I run the engine at a higher RPM. I bought the tractor new in 2006 and it has 200 hours on it, so I don't use it a lot, but I do run it at least a few hours each month - more in the Summer.

I did the 50 hour maintenance, but I'm not a tractor mechanic. So just looking for suggestions before I have it hauled to the dealer for repair.


Make sure you're not dead ending the hydraulics. Do you have rear remotes? Did they get pushed to on with nothing connected?
 
   / L2800 shaky, weak, Hydraulics problem #6  
Bet a dollar it is the suction hose, take it off and wrap some of that silicone tape around it until you can get a new one. I have one around here somewhere still in the package, I don't have the tractor anymore.

James K0UA
 
   / L2800 shaky, weak, Hydraulics problem
  • Thread Starter
#7  
Thanks everyone, I checked the area above my right foot (above HST pedal) and I am not seeing a rubber hose. It was a little dark, so I'll try again tonight. Is it easy to find or tucked way up?
 
   / L2800 shaky, weak, Hydraulics problem
  • Thread Starter
#8  
I don't have rear remotes (that I am aware of). Only thing I can add, is that it seemed to happen after I took off my blade and put on the brushhog - but that might just be coincidence.
 
   / L2800 shaky, weak, Hydraulics problem #9  
Thanks everyone, I checked the area above my right foot (above HST pedal) and I am not seeing a rubber hose. It was a little dark, so I'll try again tonight. Is it easy to find or tucked way up?
it is kind of an L shaped hose, and usually painted grey from the factory, about an inch across maybe 1 1/4 in plain view.. but you may not have thought it a hose because of the paint..inboard from your right foot and of course a little ahead of your foot. Known trouble maker, and an easy fix.

James K0UA
 
   / L2800 shaky, weak, Hydraulics problem #10  
If you look under where your right foot rests you will see it. I have a new one in the bag for my L3400 becuase I know it will fail at some point. As the others said it is very likely the answer to your problem.
 

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