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  1. #11
    New Member
    Join Date
    Feb 2013
    Posts
    15
    Location
    Fresno, CA
    Tractor
    Kubota L3130

    Default Re: Dirty oil

    Oops, manual says every 100 hours.

    Thank you

  2. #12
    Platinum Member
    Join Date
    Nov 2010
    Posts
    652
    Location
    Marshall Texas
    Tractor
    Kubota L4400

    Default Re: Dirty oil

    Yep, the soot in the oil may or may not be an issue, if you are wondering about the condition of the oil, get an oil sample bottle from Blackstone Labs and have it tested.
    Kubota L4400 GST

  3. #13
    Elite Member
    Join Date
    Dec 2007
    Posts
    3,095
    Location
    Ontario, Canada
    Tractor
    Ford 3930

    Default Re: Dirty oil

    Quote Originally Posted by cadale View Post
    Oops, manual says every 100 hours.

    Thank you
    With unknown previous maintenance, if this was my tractor, I'd change at least the oil filter at 50 hours. Who am I kidding, I'd change the oil too, or I wouldn't sleep properly (just my OCD , and ).

    Rgds, D.

  4. #14
    Veteran Member kuboman's Avatar
    Join Date
    Dec 2009
    Posts
    2,085
    Location
    Canada
    Tractor
    B3200, L5740,

    Default Re: Dirty oil

    I have used the diesel in the oil trick with good results. In light of our new diesel I would only use a 50/50 diesel to oil mixture and do not put the engine under load.
    L5740 LA854 loader
    L3130 LA723 loader sold
    B3200 LA504 loader
    B1550 sold
    B2620 sold
    B4200 sold
    F2680E
    GF1800
    Kubota RTV900
    JD 850D Gator sold
    JD F935 x 2 sold
    Case 590SM-2
    JD 310D TLB
    Ford 555D sold
    Gehl 602 excavator

  5. #15
    Elite Member Chilly807's Avatar
    Join Date
    Sep 2009
    Posts
    3,216
    Location
    Nova Scotia
    Tractor
    Kubota L3400DT

    Default Re: Dirty oil

    The newer oils are designed to hold particulates in suspension until either you change the oil or the filter removes them. In theory if they're changed regularly you should see less sludge build-up. You may have to revise your oil change interval as a result, which is part of the reason kubota wasn't enthused about using CJ-4 rated oils when they first came out. My manual advises NOT to use them, in fact. Funny that their own brand 10W30 meets CJ-4 standards now..

    Sean

  6. #16
    Veteran Member Deano's Avatar
    Join Date
    Oct 2008
    Posts
    1,168
    Location
    Southern Maryland
    Tractor
    Kubota BX24

    Default Re: Dirty oil

    Glad you figured the "knob" out! The verbage knob kinda threw me. All is good! We trade tractors when he needs my backhoe and works in his back yard around his pool. The L3130 cannot fit back there too easily. I can do with his tractor a few things at my place twice as fast if we swap! But I LOVE my BX24!
    Deano
    2006 BX24, 6' New Implements rake, Woods RB60 rear blade, Wallenstein thumb, Bro-Tek rear skid plate, home made front skid plate, W.R. Long flat tooth bar, 4' finishing mower (TPH), 4' box blade, post hole digger, New style seat!!!!! Country Manufacturing manure spreader, Agri-Fab drop spreader.

  7. #17
    Super Member JOHNTHOMAS's Avatar
    Join Date
    Apr 2008
    Posts
    5,794
    Location
    Somerset, Ky
    Tractor
    currently own F3080 F2680 B2620 FEL/BH RTV1140

    Default Re: Dirty oil

    Quote Originally Posted by cadale View Post
    Oops, manual says every 100 hours.

    Thank you
    I'd go with manual and change engine oil and engine oil filters when the manual says to and then go to sleep feeling good. Well, I'd change them earlier if it took me a few years to get the 100 hours on the tractor.
    2012 B2620 FEL BH, 2008 F2680 2WD 72" side Discharge Deck, 2012 F3080 4WD 72" rear discharge deck, 2010/2009 RTV1140CPX , RatchetRake, Forks, ...DEARBORN 2 BOTTOM PLOW 12" ?? FOR SALE $425).... Drawbar and Horse Drawn disk 13 Toyota Tacoma Double Cab, 13 Ford Flex. 2009 Subaru Impreza Sport

  8. #18
    Veteran Member chim's Avatar
    Join Date
    Apr 2002
    Posts
    1,820
    Location
    Lancaster County, PA
    Tractor
    Kubota L3200, Ford 1210

    Default Re: Dirty oil

    Just be sure to use oil rated for diesel service.

  9. #19
    New Member
    Join Date
    Feb 2013
    Posts
    15
    Location
    Fresno, CA
    Tractor
    Kubota L3130

    Default Re: Dirty oil

    Thank you everybody.

    There is a wealth of knowledge here and I appreciate your time in answering my questions.
    I will probably use the kubota about a 100 hours a year, so it should outlast me. So much nicer than my previous Ford 800 series.

    Dale

  10. #20
    Gold Member vabiker23518's Avatar
    Join Date
    Nov 2010
    Posts
    342
    Location
    Keysville, VA
    Tractor
    TM233

    Default Re: Dirty oil

    About 7 years ago, I purchased a used 1976 Bolens G152 (diesel) Iskea that was well used but also ran well. The oil would turn black as soon as I changed the oil and filter, and I change it once each fall at the end of season...usually about 70 hours/year. Never got better after each change. Two years ago I purchased a new TYM 233. I follow the same practice, and so far it is staying very clean. Don't know what all that means, but I'd stick to regular changes of oil and filter.

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