Hydraulic fluid for topping off and for replacement (2024)

Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

#1

Alan57

Member
Joined
Sep 14, 2020
Messages
32
Location
South West Missouri
Tractor
LS MT345E

    After replacing the hydraulic filter for the 50hr service I lost a little fluid, mostly from what was in the old filter. Now the manual gives specs for type of fluid to use but I’m not seeing these specs on any of the hydraulic fluid containers. Stopped by a LS dealer today and all they had was some universal hydraulic fluid with no specs and the parts man didn’t know if it was the correct fluid for my tractor. Went to an Oreilly auto store and they only had AW 32 and AW 46 hydraulic fluid in gallons. Looking for recommendations when I only need a gallon of fluid for topping off. Would also be interested in knowing what others are using for hydraulic fluid when they do there first fluid change.

    Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

    #2

    Doofy

    Super Member
    Joined
    Aug 16, 2017
    Messages
    5,176
    Location
    Alaska
    Tractor
    LS XR 3135HC

      This is what my LS dealer uses and recommended:

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      Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

      #3

      dlctcg

      Platinum Member
      Joined
      Jun 29, 2009
      Messages
      746
      Location
      CT
      Tractor
      New Holland TC40D, Lull 400, IR SP-48 Roller

        If your LS manual is listing a spec of API GL4 ISO VG 46/68 LSTH570 then I'm 99% sure you can use.... Traveller Premium Universal Tractor Trans/Hydraulic Fluid from Tractor Supply...

        Also the NAPA 85401 suggested above... ^^^ by Doofy...

        Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

        • Thread Starter

        #4

        OP

        Alan57

        Member
        Joined
        Sep 14, 2020
        Messages
        32
        Location
        South West Missouri
        Tractor
        LS MT345E

          dlctcg said:

          If your LS manual is listing a spec of API GL4 ISO VG 46/68 LSTH570 then I'm 99% sure you can use.... Traveller Premium Universal Tractor Trans/Hydraulic Fluid from Tractor Supply...

          Also the NAPA 85401 suggested above... ^^^ by Doofy...

          Manual recommends API GL4 ISO VG 32/46 LSTH400G

          Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

          #5

          Avenger

          Veteran Member
          Joined
          May 16, 2018
          Messages
          1,444
          Location
          North Idaho
          Tractor
          LS XR4145C

            Pretty much any hydraulic fluid that says its for a transaxle, HST, or transmission, will be just fine.

            Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

            #7

            PCABE5

            Platinum Member
            Joined
            Oct 31, 2007
            Messages
            812
            Location
            Wisconsin
            Tractor
            John Deere 4066R Cab and loader

              The Mobil recommendation is in-between ISO 46/68 and the Shell recommendation is closest to ISO 68.

              The only ISO 32 fluids that I know of are Kubota super udt 2 and John Deere low viscosity.

              Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

              #8

              Cycledude

              Veteran Member
              Joined
              Nov 26, 2020
              Messages
              1,141
              Location
              Rib Lake Wisconsin
              Tractor
              LS XR4155, Ford 6610, Ford 8n

                Alan57 said:

                After replacing the hydraulic filter for the 50hr service I lost a little fluid, mostly from what was in the old filter. Now the manual gives specs for type of fluid to use but I’m not seeing these specs on any of the hydraulic fluid containers. Stopped by a LS dealer today and all they had was some universal hydraulic fluid with no specs and the parts man didn’t know if it was the correct fluid for my tractor. Went to an Oreilly auto store and they only had AW 32 and AW 46 hydraulic fluid in gallons. Looking for recommendations when I only need a gallon of fluid for topping off. Would also be interested in knowing what others are using for hydraulic fluid when they do there first fluid change.

                Where do you live or plan on operating the tractor ? If your planning to operate in extreme cold weather I would probably choose the lighter oil. Fleet Farm stores sell it in 5 gallon containers for about $36 , there’s supposed to be a Tractor Supply store opening here this fall So I might wait to see what they will be charging.

                Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

                #9

                Bearsixty7

                Veteran Member
                Joined
                Jun 10, 2015
                Messages
                1,382
                Location
                St. Paul TX
                Tractor
                LS MT240HE. JD LA145.

                  PCABE5 said:

                  The Mobil recommendation is in-between ISO 46/68 and the Shell recommendation is closest to ISO 68.

                  The only ISO 32 fluids that I know of are Kubota super udt 2 and John Deere low viscosity.

                  Where are you getting this information from?

                  Only thing I could match up was the GL4 requirement. The Shell lists it as GL4, the Travellers doesn't list it.

                  Jul 19, 2021 / Hydraulic fluid for topping off and for replacement

                  #10

                  PCABE5

                  Platinum Member
                  Joined
                  Oct 31, 2007
                  Messages
                  812
                  Location
                  Wisconsin
                  Tractor
                  John Deere 4066R Cab and loader

                    Bearsixty7 said:

                    Where are you getting this information from?

                    Only thing I could match up was the GL4 requirement. The Shell lists it as GL4, the Travellers doesn't list it.

                    The product data sheets. The 40°C viscosity in particular.

                    Hydraulic fluid for topping off and for replacement (2024)
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