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Thread: Hydraulic Oil Requirements

  1. Join Date
    Sep 2005
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    Indiana
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    Hydraulic Oil Requirements

    I know Lucas 15W40 High TBN Truck Oil is the prefered oil for use in any Dixie Chopper drive system...new or old. I believe my local Napa can get that for me as they carry other Lucas oil additives currently.

    However..what are the general requirements of the drive system hydraulic oil? Generally speaking...will any 15W40 multigrade type oil that is commonly used in diesel engines (CI-4) work in the system? Thanks!

  2. Join Date
    Jun 2003
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    Coatesville, IN
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    Hyd.Oil

    We reccomend using Lucas 15W40 High TBN Long Drain Truck Oil or equivlent .A cheaper oil can be used, but we do not know what will happen.Why gamble on pumps and wheel motors with an inferior product?
    DC Service

  3. Join Date
    Sep 2005
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    Quote Originally Posted by DC Service
    We reccomend using Lucas 15W40 High TBN Long Drain Truck Oil or equivlent

    How about Amsoil Series 2000 SAE 20W-50 Full Synthetic Racing Oil?? That certainly isn't a cheap or low quality oil!!

  4. Join Date
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    Im sure the amsoil would work,but the 15w40 is whats recommended. If you have to use Amsoil I think the better product would be the Amsoil 15w40 diesel oil.With these hydro systems, it doesnt make sense to run anything other than the lucas oil,since its shown to run cooler,and extreme temps are not an issue ,so the protection of a synthetic isnt needed.If i couldnt get the Lucas,Id go online and order it. We are lucky to have the benefit of the a factory representative here telling us whats best for the hydro system,I think they are qualified to say,since they built it.Until I know more than them about there mowers(not likely ever),Ill listen to them.

  5. Join Date
    Sep 2005
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    Indiana
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    I will use the Lucas in my XXWD2600. But my question was what are the basic requirements for the hydraulic fluid? Is is 15W40 engine oil...or 40W Hydraulic Transmission Oil or ???.

    As far as the Yanmar is concerned...it will be getting Chevron Delo400 15W-40. Its a conventional that is second to none and perhaps few if any synthetics. Its well agreed upon, in the diesel community, that Delo400 is a superior product for any diesel engine with HD lubrication needs.

    But I will use Lucas my Hyd system. Thanks!!

  6. Join Date
    Sep 2005
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    Quote Originally Posted by John D
    it doesnt make sense to run anything other than the lucas oil,since its shown to run cooler,and extreme temps are not an issue ,so the protection of a synthetic isnt needed.

    It is interesting to note that per www.bin95.com/hydraulic_component.htm "fluid temperatures above 82 C (180 F) damage seals, reduce the service life of the hydraulic fluid and in most cases, will cause the viscosity limits of the fluid to be exceeded. This means that the operation of any hydraulic system at temperatures above 82 C (180 F) is detrimental and should be avoided"!! So extreme temps in hydraulic systems are actually quite low. After mowing a lawn, place a candy thermometer in your hydraulic tank to check the operating temp.



    We are lucky to have the benefit of the a factory representative here telling us whats best for the hydro system,I think they are qualified to say,since they built it.Until I know more than them about there mowers(not likely ever),Ill listen to them.

    I will, of course, follow the factory recommendations during the warranty period! However, with all due respect to the folks at Dixie Chopper who do build a fine mower, they do not design or build the hydraulic components, and are not lubrication specialists. Perhaps Amsoil full synthetic would do a better job!

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