Can You Mix Hydraulic Fluid and Transmission Fluid

1. just bought a 2011 NH track loader with 250 hours and need to add some hydraulic fluid due to a leak on an zipper. I am new to all this, so may be a silly question merely the owner's manual says the optimum fluid for my expanse is a good 10W-30. I don't know what is currently in the loader. Is it ok to add this fluid without knowing what is in information technology?

2. You're fine mixing fluids...cleanliness is Style more critical than viscosity. Seems as though if you were going to use motor oil in Texas, 15w-40 would be a better choice. However, I usually defer to the operator'due south manual.

   Why not simply purchase medium hydraulic fluid - it's probable cheaper?

   ~ Mark

3. 

   tmc_31 Senior Member

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   Hi Red Durt, I live over northward of Tye and run a NH L190. Welcome to the madness. Similar you I don't know for sure what kind of fluid was in my sideslip when i got it. I take always kept it topped off with Hyd fluid from tractor supply. Also I rent attachments quite often so cantankerous contamination is always a possibility. So far I've not seen any sick effects from this.

   Tim

4. We ran NH for a number of years and most had a mix of 10w30 and THF. Never had a pump or drive motor issue on any of them. 6,000hrs on 1, iv,000 on another, 10,000 on another plus the older ones we had back in the day that I cant remember.

5. OK. Well, I said I was new and I am showing it. The SAE 10W-30 came from the owner's manual viscosity nautical chart for hydraulic fluid. I thought it was a viscosity rating for a particular hydraulic fluid. So, it's really motor oil they are referencing every bit an option? The chart is followed past this-- NOTE: CNH recommends exchanging factory fill hydraulic oil with SAE 10W30 for applications where continuous operations above 100 F or frequent roading applications (higher up 20 to 30 minutes) are common. (I volition be doing no roading but will have some of the 100+ days)

   Based on your responses, I assume that calculation Mystik AW Hydraulic Oil ISO 68 shouldn't be a problem regardless of what information technology has in it?

   Thanks for each of your responses. I appreciate information technology.

   Tim--a squeamish 24-hour interval in the neighborhood today, isn't it?

6. 

   tmc_31 Senior Fellow member

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   clear, 59deg, no wind, Yup a bully day in the neighborhood

   Tim

7. On a low hour machine I would stick to the 10w30 but I run 15w40 in my skids with over 2000hrs. Equally stated in a higher place I haven't had any problems with my equipment but have had to set several over the years. I always utilize diesel form oil. It is supposed to accept a better additive packet more than suited to the hydraulic systems than the standard automotive oil. I don't run the transdraulic or straight hydraulic oil well-nigh farm supply stores sell for cheap.

8. Cheers frogfarmer and to others for replies!

9. We ever used diesel 10w30 in our NH's. Delo XLE 10w30. Its important to note though some machines that phone call for 10w30 notwithstanding need additives. I know the case machines did at one signal.

10. 

    Tchara Fellow member

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    January half dozen, 2014

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    6

    Location:

    Texas

    I likewise but recently purchased a J.D. 250. I was at the dealer today, and the guy at the parts counter told me, that they recommend a /15w40 for hydraulic fluid. He said the 250 had a problem with the fluid getting to hot.

    But I was wondering the aforementioned matter about mixing. I have been using the tractor supply stuff. Should I drain it before adding a motor oil?

11. FWIW, I run the same multi form hydraulic oil in all my equipment: ISO AW 32/46/68. Far superior to engine oil and only a few bucks more than. Adapts to temperature changes well. Well-nigh name brand oil companies have it.

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