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  1. #1
    Silver Member Kayakin2's Avatar
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    Jan 2010
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    180
    Location
    Lakes Region, New Hampshire
    Tractor
    Kubota BX25

    Default BX-25 Always needs Hydraulic fluid added!

    After the sub-zero winter freeze my kubota BX-25 always needs Hydraulic Fluid added every time I use it. All hydraulics are sluggish! Suggestions?
    2010 Kubota BX25, Loaded R4s, BH (12"), 3PH, 60" Hyd Front Blade, Canopy, block heater, Landpride 50" Tiller & 54" Box Blade, Woods 60" Rake, 48" Tooth Bar, pallet forks and complete Bro-tek Package (BH thumb, Ripper/trenching plow, Wheel Spacers, Brush Forks, all skid plates), BXpanded Bucket Hooks, Wallenstein BX42, Agrex Spreader w/sand kit & Articulated Agitator.

    Toro Wheel Horse 268H, 42" Snowthrower, Snow Cab, rear blade, 17 cu. ft. Trailer, drop spreader & roller.

  2. #2
    Platinum Member Rock Crawler's Avatar
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    Aug 2017
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    567
    Location
    Pittsburgh, Pa.
    Tractor
    2018 Kubota B2650 TLB, Craftsman Excellerator GT (2010)

    Default Re: BX-25 Always needs Hydraulic fluid added!

    By chance, are you swapping the BH on and off often and dropping fluid? I would think that it is going to take a good number of connect/disconnect to see it on your level indicator.... But maybe your swapping multiple times a week?

    Have you pulled into a garage, ran the machine at operating RPM and cycled all cylinders for a few minutes to see if you can detect a drip/leak under the machine on that clean floor?
    2018 Kubota B2650 HST TLB - BH Thumb on 16" bucket, 60" SSQA Loader Bucket, Kubota 3rd function, 1.5" wheel spacers, oversized and filled R4 tires.
    2013 Kubota BX25 TLB - Back Blade, Titan 48' Box Blade, Skid Steer digging tooth bar. (Gone, but not forgotten)
    2010 Craftsman Excellerator GT, 26HP Kohler Courage / Hydro Gear G730,54" Deck, chains and wheel weights.
    2007 Yamaha Rhino 660 Sport SE (Liquid Metal Wrap).
    Stihl 026 saw.
    Woods HLS27 27 Ton Log Splitter with 4-way splitting blade.

  3. #3
    Silver Member Kayakin2's Avatar
    Join Date
    Jan 2010
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    180
    Location
    Lakes Region, New Hampshire
    Tractor
    Kubota BX25

    Default Re: BX-25 Always needs Hydraulic fluid added!

    No swapping of the BH for a month and quick disconnects appear ok and not leaking. Garage stop has not helped so far!
    No obvious leaks but have looked for leaks! May try clean cardboard under tractor to try to identify any Hydraulic leaks!
    2010 Kubota BX25, Loaded R4s, BH (12"), 3PH, 60" Hyd Front Blade, Canopy, block heater, Landpride 50" Tiller & 54" Box Blade, Woods 60" Rake, 48" Tooth Bar, pallet forks and complete Bro-tek Package (BH thumb, Ripper/trenching plow, Wheel Spacers, Brush Forks, all skid plates), BXpanded Bucket Hooks, Wallenstein BX42, Agrex Spreader w/sand kit & Articulated Agitator.

    Toro Wheel Horse 268H, 42" Snowthrower, Snow Cab, rear blade, 17 cu. ft. Trailer, drop spreader & roller.

  4. #4
    Platinum Member Rock Crawler's Avatar
    Join Date
    Aug 2017
    Posts
    567
    Location
    Pittsburgh, Pa.
    Tractor
    2018 Kubota B2650 TLB, Craftsman Excellerator GT (2010)

    Default Re: BX-25 Always needs Hydraulic fluid added!

    Huh... I would think that if it leaked enough that you see it dropping on the dipstick that it was leaking fairly fast. As in, you would be seeing a puddle if you man-handled the hydraulics under pressure.

    Maybe it leaks when you have a load against the hydraulics. I had a FEL fitting like that, it would not leak under its own influence, but if I put a bucket of snow in it I saw a stream start coming out. My issue was simple, I tweaked it with a wrench and never saw that leaking again.
    2018 Kubota B2650 HST TLB - BH Thumb on 16" bucket, 60" SSQA Loader Bucket, Kubota 3rd function, 1.5" wheel spacers, oversized and filled R4 tires.
    2013 Kubota BX25 TLB - Back Blade, Titan 48' Box Blade, Skid Steer digging tooth bar. (Gone, but not forgotten)
    2010 Craftsman Excellerator GT, 26HP Kohler Courage / Hydro Gear G730,54" Deck, chains and wheel weights.
    2007 Yamaha Rhino 660 Sport SE (Liquid Metal Wrap).
    Stihl 026 saw.
    Woods HLS27 27 Ton Log Splitter with 4-way splitting blade.

  5. #5
    Platinum Member
    Join Date
    Nov 2016
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    836
    Location
    Santa Cruz Mountains, Ca
    Tractor
    Branson 3725H

    Default Re: BX-25 Always needs Hydraulic fluid added!

    Oil does expand when heated and contract with cold. Not a huge amount but it's noticeable when measuring the level in an automatic transmission. The level will go up as the oil temp rises from ambient to the specified meauring temp. If this was causing your low level, the level would rise again when the oil heats up (which may require spring to arrive).

  6. #6
    Silver Member Kayakin2's Avatar
    Join Date
    Jan 2010
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    180
    Location
    Lakes Region, New Hampshire
    Tractor
    Kubota BX25

    Default Re: BX-25 Always needs Hydraulic fluid added!

    Great suggestion! Will try looking for leaks under load! Need to buy more Super to fill enough for dipstick to show level! After filling the plow/rear lift and steering are sluggish but at least function! May have some moisture in the lines! Thank You!
    2010 Kubota BX25, Loaded R4s, BH (12"), 3PH, 60" Hyd Front Blade, Canopy, block heater, Landpride 50" Tiller & 54" Box Blade, Woods 60" Rake, 48" Tooth Bar, pallet forks and complete Bro-tek Package (BH thumb, Ripper/trenching plow, Wheel Spacers, Brush Forks, all skid plates), BXpanded Bucket Hooks, Wallenstein BX42, Agrex Spreader w/sand kit & Articulated Agitator.

    Toro Wheel Horse 268H, 42" Snowthrower, Snow Cab, rear blade, 17 cu. ft. Trailer, drop spreader & roller.

  7. #7
    Elite Member RalphVa's Avatar
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    Dec 2003
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    4,744
    Location
    Charlottesville, VA, USA
    Tractor
    JD 2025R, previously Gravely 5650 & JD 4010 & JD 1025R

    Default Re: BX-25 Always needs Hydraulic fluid added!

    It probably has a spin-on filter. Are you sure it isn't leaking? They have to be much tighter than the standard oil filter.

    Ralph
    The natural gardener
    God's original intent

  8. #8
    Platinum Member
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    Dec 2011
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    859
    Location
    Western Washington USA
    Tractor
    MM UTS and Homemade

    Default Re: BX-25 Always needs Hydraulic fluid added!

    Is it possible on that tractor for a leaky pump seal to let hydraulic oil into engine crankcase? Some tractors will do that.

  9. #9
    Silver Member Kayakin2's Avatar
    Join Date
    Jan 2010
    Posts
    180
    Location
    Lakes Region, New Hampshire
    Tractor
    Kubota BX25

    Default Re: BX-25 Always needs Hydraulic fluid added!

    Ralph, Good thought as the 1000 hour service had just been done by the company from which I bought the tractor. Any idea where the filter is located on a kubota BX-25?
    2010 Kubota BX25, Loaded R4s, BH (12"), 3PH, 60" Hyd Front Blade, Canopy, block heater, Landpride 50" Tiller & 54" Box Blade, Woods 60" Rake, 48" Tooth Bar, pallet forks and complete Bro-tek Package (BH thumb, Ripper/trenching plow, Wheel Spacers, Brush Forks, all skid plates), BXpanded Bucket Hooks, Wallenstein BX42, Agrex Spreader w/sand kit & Articulated Agitator.

    Toro Wheel Horse 268H, 42" Snowthrower, Snow Cab, rear blade, 17 cu. ft. Trailer, drop spreader & roller.

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