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  1. #1
    New Member
    Join Date
    Apr 2012
    Posts
    5
    Location
    creswell, OR
    Tractor
    Kubota BX23

    Default BX 23 Transmission Problems

    HST Problems. I have a 2005 BX23 that has had two transmission failures. The first failure was at 176 hrs and the one yesterday was 89 hours later.

    I was using the backhoe for approximately an hour when I return to the storage area and park the tractor outside. At that point everything seemed to be working fine.

    After about 4 hrs I went out to park the tractor in the pole barn and experienced problems with the engine wanting to stall when engaging the directional petal. I then checked fluid levels and found everything to be OK.

    I then tried again going forward and reverse experencing the same problem. Engine even wanted to stall when the transmission was in the neutral position and engaging the directional petal.

    Does anyone have ideas what is causing these failures.

  2. #2
    Veteran Member CHDinCT's Avatar
    Join Date
    Jul 2008
    Posts
    2,420
    Location
    Connecticut
    Tractor
    Kubota BX25

    Default Re: BX 23 Transmission Problems

    First guess would be plugged up fuel filter(s). When was the last time you changed them? Did you recently refuel it? Maybe a bad tank of diesel. From what you're describing, it sounds like it's stalling out under even a slight load which sounds like a fuel issue.
    Chris

    2 acres and a mule, er, Kubota BX25, and too many other toys,er, tools to list.

  3. #3
    New Member
    Join Date
    Apr 2012
    Posts
    5
    Location
    creswell, OR
    Tractor
    Kubota BX23

    Default BX 23 Transmission Problems

    HST Problems. I have a 2005 BX23 that has had two transmission failures. The first failure was at 176 hrs and the one yesterday was 89 hours later. I was using the backhoe for approximately an hour when I return to the storage area and park the tractor outside. At that point everything seemed to be working fine. After about 4 hrs I went out to park the tractor in the pole barn and experienced problems with the engine wanting to stall when engaging the directional petal. I then checked fluid levels and found everything to be OK. I then tried again going forward and reverse experencing the same problem. Engine even wanted to stall when the transmission was in the neutral position and engaging the directional petal. Does anyone have ideas what is causing these failures.

  4. #4
    Veteran Member Deano's Avatar
    Join Date
    Oct 2008
    Posts
    1,233
    Location
    Southern Maryland
    Tractor
    Kubota BX24

    Default Re: BX 23 Transmission Problems

    Fuel filters the first thing I thought of also.
    Deano
    2006 BX24, 6' Modern Implements rake, Woods RB60 rear blade, Wallenstein thumb, Bro-Tek rear skid plate, home made front skid plate, W.R. Long flat tooth bar, 4' finishing mower (TPH), 4' box blade, post hole digger, New style seat!!!!!, Agri-Fab drop spreader.

  5. #5
    Veteran Member CHDinCT's Avatar
    Join Date
    Jul 2008
    Posts
    2,420
    Location
    Connecticut
    Tractor
    Kubota BX25

    Default Re: BX 23 Transmission Problems

    Oh yeah, and make sure the brake is off
    Chris

    2 acres and a mule, er, Kubota BX25, and too many other toys,er, tools to list.

  6. #6
    Super Member
    Join Date
    Jul 2009
    Posts
    6,850
    Location
    SW WA
    Tractor
    Kubota BX2360

    Default Re: BX 23 Transmission Problems

    Quote Originally Posted by rickoshay View Post
    ... the engine wanting to stall when engaging the directional petal.
    Seat safety switch malfunction? Mine will have those symptoms if I move the pedal when standing beside the tractor.

    Bruce

  7. #7
    Elite Member
    Join Date
    Oct 2004
    Posts
    2,952
    Location
    limerick pa lycoming county pa
    Tractor
    kubota bx23

    Default Re: BX 23 Transmission Problems

    Quote Originally Posted by bcp View Post
    Seat safety switch malfunction? Mine will have those symptoms if I move the pedal when standing beside the tractor.

    Bruce

    I'm with him interlock problems, not the transmission,
    If it ain't broke we will help you brake it
    If it is broke we will help you get it fixed!


    https://www.facebook.com/joseph.t.mussington

  8. #8
    New Member
    Join Date
    Apr 2012
    Posts
    4
    Location
    Cranbrook, B.C.
    Tractor
    Kubota BX25

    Default Re: BX 23 Transmission Problems

    Yeah, sounds like it could be dirty contacts in the switch under the bottom of the seat. The switch senses the weight of the operator and if the operator is not sitting in the seat ( or the switch contacts are dirty), the engine will shut off if either the forward or reverse pedal is depressed.
    As a temporary fix, you could short the contacts in the plug that attaches to the switch. If the stalling problem is resolved, then you should clean, repair or replace the switch.

  9. #9
    Elite Member
    Join Date
    Oct 2004
    Posts
    2,952
    Location
    limerick pa lycoming county pa
    Tractor
    kubota bx23

    Default Re: BX 23 Transmission Problems

    I would remove the fuse or wire off the solenoid for the interlocks and see what happens.

    Doing this you wont bee able to stop the engine but will prove the safety circuit is the problem hook it all back up to shut it down.

    tom
    If it ain't broke we will help you brake it
    If it is broke we will help you get it fixed!


    https://www.facebook.com/joseph.t.mussington

  10. #10
    Veteran Member ericher69's Avatar
    Join Date
    Aug 2008
    Posts
    1,670
    Location
    Ontario Canada
    Tractor
    2008 Kubota b2920

    Default

    Sounds like the engine is loading up when depressing the treadle?

    Will the tractor roll in neutral?

    What was the cause of the two previous failures?

    My previous tractor (case 446) had this issue in the winter once...turns out there was water in the hydraulic oil that caused the transaxle to freeze up.
    ericher69
    IAFF Local 849

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