4 WD PROBLEMS

   / 4 WD PROBLEMS #1  

Dr. Neil

New member
Joined
Nov 3, 2022
Messages
2
Tractor
kubota BX 1870
I have a Kubota BX 1870 and it has been great for over 6 years, but recently the 4 WD started knocking and jerking. I can't use it at all. Anyone have any ideas?
 
   / 4 WD PROBLEMS #2  
Have you checked the drive shaft going from rear transmission to front axle? Possible u-joint is starting to fail.
 
   / 4 WD PROBLEMS
  • Thread Starter
#3  
Thank you, I will check that tomorrow.
 
   / 4 WD PROBLEMS #4  
I had similar problems on my bx25d, unsettling rhythmic noises, jerking, etc. Thanks to good advice on tbn, I detached and checked the u joints on the drive shaft, as suggested above. The front one was falling apart. The back one was fine. Apparently this is typical. Disassembly and replacement were easy. Found the parts diagram on Messick's. The parts arrived in a few days from them, for under $100. Reassembly took less than an hour. Anybody can do it!
 

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