HST stop working

   / HST stop working #1  

RgP454

New member
Joined
Aug 20, 2024
Messages
8
Tractor
New Holland TC45D
Hydrostatic transmission stopped Add new hydraulic oil gave to me by new holland dealer drove it about 100 yards and just stopped moving loader still working HST forward peddle wants to stay down to the floor it will return if I push reverse peddle but reverse doesn’t work either
 
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   / HST stop working #2  
I have a Kubota HST with a three speed transmission. If one of the gears is not engaged it will not move. There is a dead or neutral area between each gear, very easy to think you're in gear when you're not. You may wish to investigate that possibility on your tractor.
 
   / HST stop working #3  
@RgP454 - I wondering if this is just a coincidence as far as adding Hydraulic fluid...

The first thing I would check is the Trans Pivot Assembly under the right side of the tractor it attaches the pedals to the trans... (it is in the picture below)... They sometimes break at the welds & will cause the condition you are describing...




2018-04-29 15.25.46.jpg
 
   / HST stop working #4  
1724239090912.png


1724239109657.png
 
   / HST stop working
  • Thread Starter
#5  
@RgP454 - I wondering if this is just a coincidence as far as adding Hydraulic fluid...

The first thing I would check is the Trans Pivot Assembly under the right side of the tractor it attaches the pedals to the trans... (it is in the picture below)... They sometimes break at the welds & will cause the condition you are describing...




View attachment 919693
Thank you I will check that out tomorrow
 
   / HST stop working
  • Thread Starter
#7  
   / HST stop working
  • Thread Starter
#8  
@RgP454 - I wondering if this is just a coincidence as far as adding Hydraulic fluid...

The first thing I would check is the Trans Pivot Assembly under the right side of the tractor it attaches the pedals to the trans... (it is in the picture below)... They sometimes break at the welds & will cause the condition you are describing...




View attachment 919693
I zoomed in on the picture I see where it has been welded I will check that out tomorrow thanks again
 
   / HST stop working
  • Thread Starter
#9  
@RgP454 - I wondering if this is just a coincidence as far as adding Hydraulic fluid...

The first thing I would check is the Trans Pivot Assembly under the right side of the tractor it attaches the pedals to the trans... (it is in the picture below)... They sometimes break at the welds & will cause the condition you are describing...




View attachment 919693
That was the problem I got I weld back up all good creeping forward just a little but that job for another day Thank you so much for your help I really do appreciate your help thanks again
 
   / HST stop working
  • Thread Starter
#10  
@RgP454 - I wondering if this is just a coincidence as far as adding Hydraulic fluid...

The first thing I would check is the Trans Pivot Assembly under the right side of the tractor it attaches the pedals to the trans... (it is in the picture below)... They sometimes break at the welds & will cause the condition you are describing...




View attachment 919693
 

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