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  1. #1
    New Member
    Join Date
    Jan 2013
    Posts
    2
    Location
    bantam, CT
    Tractor
    Kubota M5700HD

    Default frozen hydrolics

    My 13 year old kubota M 5700HD won't move when the air temp is below 25 degeees. The power stearing and bucket work OK.

  2. #2
    Super Member Gary Fowler's Avatar
    Join Date
    Jun 2008
    Posts
    6,521
    Location
    Bismarck Arkansas
    Tractor
    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: frozen hydrolics

    When did you last change the Hydraulic oil and HST filter? What oil did you use.? Something wrong with this picture. Shouldnt be any issue at that temp. Hydraulics and HST is on separate filter. I am thinking maybe the filter is plugged OR the oil is too thick. Perhaps you need to drain, flush, change all the filters and fill with SUDT2 , the full synthetic. It is supposed to flow better than the UDT or SUDT (I hear that SUDT is no longer stocked by dealers)
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp CC AC/DC welding machine and all the tools needed to keep them all repaired and running.

  3. #3
    New Member
    Join Date
    Jan 2013
    Posts
    2
    Location
    bantam, CT
    Tractor
    Kubota M5700HD

    Default Re: frozen hydrolics

    Thanks Gary, I replaced the fluid and both filters about 300 hours ago, but last fall I power washed the tractor and I may have gotten water inside the dip stick tube. It's hard to believe enough water could have gotten in, but the system may be real sensitive. What do you think?

  4. #4
    Platinum Member
    Join Date
    Nov 2012
    Posts
    766
    Location
    mansfield,Il
    Tractor
    john deere

    Default Re: frozen hydrolics

    Powerwashing is a good thing on the north side of your house . Not so good on tractors .

  5. #5
    Elite Member wdchyd's Avatar
    Join Date
    Apr 2010
    Posts
    2,657
    Location
    Hooksett, NH
    Tractor
    Kubota B2320

    Default Re: frozen hydrolics

    Yea, water would be my first gut reaction.....ice don't like to go through screens and filters below freezing.....if there's water in the spring cups at the control valve it'll have the same effect
    2010 Kubota B2320 FEL & BH65
    If it ain't fixed don't broke it!

    http://www.tractorbynet.com/content/...-month-wdchyd/

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