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  1. #1
    Platinum Member rjkobbeman's Avatar
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    Kubota M8540HD-12 2010

    Default Kubota Engines: EGR, Non-EGR, DPF, etc.

    In preparation for my 50 hour service, I noticed in my service manual there are different engine oil API specs for EGR, Non-EGR, Internal EGR, External EGR, DPF engines. The verbiage of the manual some oils are good for one category of EGR but not good for the other category. (Sorry for being a little vague, I don't have my manual handy.)

    My question is, how do I figure out what kind of engine I have? I figured this would be explained in the manual, but it isn't.

    It looks like the CI-4 API spec is good for all... so this is kind of moot, but I just want to know.

    Does kubota have EGR valves or not? Internal or external? DPF? Does turbo change things?

    I would rather this not turn into a "what kind of oil to use" thread. I just curious about the EGR. The manual says it matters... but give no insight on whether my engine has one or not! Seems crazy to me.
    M8540HD12-1, R4s, Weights, 2 Remotes, Rear Lights, Down Exhaust
    LA1353 FEL, QA 72" Bucket, Self Leveling Valve, 3rd Function Remote
    CCM Category II Hydraulic Toplink
    QA 48" Pallet Forks
    M8180 Ballast Box with concrete
    LP QH-20 Quick Hitch
    LP RCR2672 6' Rotary Cutter
    LP GS2596 8' Grading Scraper
    BAC BG-10 Post/Tree Puller

    BX2370RV60-1, R4s, 60" Mower, Loader Valve
    BX2763A Snow Blade
    LP QH05 Quick Hitch
    Rear Remotes
    40 gallon 3ph sprayer
    Subsoiler with wire spool provision


  2. #2
    Veteran Member DiezNutz's Avatar
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    Kubota B3030-HSD-F

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    But the weight/viscosity is the same for all, right? Without seeing your manual, I'm guessing that the different service categories are probably older ones. The manuals are notorious for not keeping up-to-date with the latest API categories/oil that you'll actually find on the shelves.

    Basically any of the major Diesel oil brands that you're going to buy today are going to be at least CI-4 PLUS if not CJ-4, which is appropriate for the ULSD that you'll most likely be putting in the tank.

    So I wouldn't give it much more concern than you already have.
    Kubota B3030-HSD w/R4s, LA403 60" FEL w/ATI TB, RCK60" MMM, Woods BH80-X 4pt Hoe w/24"+12" bkts & Thumb, Woods RB72" Blade w/shoes

  3. #3
    Veteran Member K7LN's Avatar
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    JD455 & JD790

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    I agree, and it's not like you have much choice anyway.

    1) Dino or synthetic

    2) API diesel rated or not (not really a choice is it?)

    3) SAE weight

    4) Pick a brand
    JD 790 w/70 FEL & 7 BH on turf tires
    JD 455 w/60" MMM & 54" front blade

  4. #4
    Platinum Member rjkobbeman's Avatar
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    Kubota M8540HD-12 2010

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    This really was just a curiosity issue. The CI-4 API spec seems to cover it all, but the mere subject in the manual got me wondering about the EGR and/or DPF issue specifically.

    This really has less to do with "what kind of oil do I use", but rather a "how do I know what kind of EGR and/or DPF do I have -- if I even have one" issue since the owner's manual specifically discussess the issue.
    M8540HD12-1, R4s, Weights, 2 Remotes, Rear Lights, Down Exhaust
    LA1353 FEL, QA 72" Bucket, Self Leveling Valve, 3rd Function Remote
    CCM Category II Hydraulic Toplink
    QA 48" Pallet Forks
    M8180 Ballast Box with concrete
    LP QH-20 Quick Hitch
    LP RCR2672 6' Rotary Cutter
    LP GS2596 8' Grading Scraper
    BAC BG-10 Post/Tree Puller

    BX2370RV60-1, R4s, 60" Mower, Loader Valve
    BX2763A Snow Blade
    LP QH05 Quick Hitch
    Rear Remotes
    40 gallon 3ph sprayer
    Subsoiler with wire spool provision


  5. #5
    Veteran Member K7LN's Avatar
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    JD455 & JD790

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    Quote Originally Posted by rjkobbeman View Post
    but rather a "how do I know what kind of EGR and/or DPF do I have -- if I even have one" issue since the owner's manual specifically discussess the issue.
    My guess as to the DPF - no. That would probably be for a California build. An EGR system - good chance. As to the type, no idea. You'd have to look at the engine and/or certification label for those answers.
    JD 790 w/70 FEL & 7 BH on turf tires
    JD 455 w/60" MMM & 54" front blade

  6. #6
    Platinum Member rjkobbeman's Avatar
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    Kubota M8540HD-12 2010

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    Quote Originally Posted by K7LN View Post
    My guess as to the DPF - no. That would probably be for a California build. An EGR system - good chance. As to the type, no idea. You'd have to look at the engine and/or certification label for those answers.
    Never thought about looking at the engine label.

    Thanks.
    M8540HD12-1, R4s, Weights, 2 Remotes, Rear Lights, Down Exhaust
    LA1353 FEL, QA 72" Bucket, Self Leveling Valve, 3rd Function Remote
    CCM Category II Hydraulic Toplink
    QA 48" Pallet Forks
    M8180 Ballast Box with concrete
    LP QH-20 Quick Hitch
    LP RCR2672 6' Rotary Cutter
    LP GS2596 8' Grading Scraper
    BAC BG-10 Post/Tree Puller

    BX2370RV60-1, R4s, 60" Mower, Loader Valve
    BX2763A Snow Blade
    LP QH05 Quick Hitch
    Rear Remotes
    40 gallon 3ph sprayer
    Subsoiler with wire spool provision


  7. #7
    Elite Member wmonroe's Avatar
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    1958 Ford 961 Powermaster

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    If you have a DPF then you must run ULSD and you need to use a CJ-4 rated oil, which is backwards compatible with previous oils. If you don't have a DPF then you can run CI-4 Plus but good luck finding it, at least around here all I can find is CJ-4. The kubota dealer might still have CI-4 Plus.

  8. #8
    Veteran Member DiezNutz's Avatar
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    Kubota B3030-HSD-F

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    Quote Originally Posted by K7LN View Post
    My guess as to the DPF - no. That would probably be for a California build
    My first thought was "DPF?? Really?" Surprised, but if it's in the manual, there must be some out there somewhere... Forgot all about the environazis on the West Coast.

    Quote Originally Posted by wmonroe View Post
    If you have a DPF then you must run ULSD and you need to use a CJ-4 rated oil, which is backwards compatible with previous oils. If you don't have a DPF then you can run CI-4 Plus but good luck finding it, at least around here all I can find is CJ-4. The kubota dealer might still have CI-4 Plus.
    Good luck finding LSD (non-ULSD, not the hallucinogenic).
    CJ-4 supercedes and encompasses CI-4 PLUS, so given the fuel options there's not much reason to expend effort hunting for the latter.
    Kubota B3030-HSD w/R4s, LA403 60" FEL w/ATI TB, RCK60" MMM, Woods BH80-X 4pt Hoe w/24"+12" bkts & Thumb, Woods RB72" Blade w/shoes

  9. #9
    Platinum Member rjkobbeman's Avatar
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    Kubota M8540HD-12 2010

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    Quote Originally Posted by DiezNutz View Post
    My first thought was "DPF?? Really?" Surprised, but if it's in the manual, there must be some out there somewhere... Forgot all about the environazis on the West Coast.


    Good luck finding LSD (non-ULSD, not the hallucinogenic).
    CJ-4 supercedes and encompasses CI-4 PLUS, so given the fuel options there's not much reason to expend effort hunting for the latter.
    Kind of funny that kubota's website specifically states to NOT use CJ-4. See here: Kubota Tractor USA - Lubricants Schedule

    Out of date and/or bad information posted by Kubota? Maybe, but you can understand my confusion...

    I don't even think my owner's manual references CJ-4 -- probably because it is so out of date. This is even more frustrating because it is for a 2010 tractor!
    M8540HD12-1, R4s, Weights, 2 Remotes, Rear Lights, Down Exhaust
    LA1353 FEL, QA 72" Bucket, Self Leveling Valve, 3rd Function Remote
    CCM Category II Hydraulic Toplink
    QA 48" Pallet Forks
    M8180 Ballast Box with concrete
    LP QH-20 Quick Hitch
    LP RCR2672 6' Rotary Cutter
    LP GS2596 8' Grading Scraper
    BAC BG-10 Post/Tree Puller

    BX2370RV60-1, R4s, 60" Mower, Loader Valve
    BX2763A Snow Blade
    LP QH05 Quick Hitch
    Rear Remotes
    40 gallon 3ph sprayer
    Subsoiler with wire spool provision


  10. #10
    Veteran Member DiezNutz's Avatar
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    Kubota B3030-HSD-F

    Default Re: Kubota Engines: EGR, Non-EGR, DPF, etc.

    Quote Originally Posted by rjkobbeman View Post
    Kind of funny that kubota's website specifically states to NOT use CJ-4. See here: Kubota Tractor USA - Lubricants Schedule

    Out of date and/or bad information posted by Kubota? Maybe, but you can understand my confusion...

    I don't even think my owner's manual references CJ-4 -- probably because it is so out of date. This is even more frustrating because it is for a 2010 tractor!
    Besides not being model-specific, others have pointed out flaws with that generic table. To say to not use CJ-4 with ULSD runs somewhat contrary to the API.

    Since CI-4 is OK, and virtually any bottle that says CJ-4 is also going to say CI-4/CI-4 PLUS, what then?

    I just don't have a lot of faith in this chart, nor in the manuals which tend to be outdated. I certainly understand your confusion.

    For reference:
    http://www.api.org/certifications/en..._March2010.pdf
    Kubota B3030-HSD w/R4s, LA403 60" FEL w/ATI TB, RCK60" MMM, Woods BH80-X 4pt Hoe w/24"+12" bkts & Thumb, Woods RB72" Blade w/shoes

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