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  1. #1
    Member
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    Aug 2009
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    42
    Location
    Caledon, Ontario, Canada
    Tractor
    Kubota B2920, Kioti CK35 HST, MF-205

    Default Single diesel oil for all aplications??

    Hi
    I have 2 older tractors , and 2 newer + RTV diesel, some older ones require SEA30 oil, newer 10W30, I found this on the amsoil web site and was wondering if this would be a good option of buying single oil for all my tractors? specs are impressive and is an Amsoil
    here is a link

    AMSOIL Synthetic SAE 10W-30/SAE 30 Heavy-Duty Motor Oil

    Any thoughts and recommendations are welcome
    Paul.W

  2. #2
    Silver Member moriboy's Avatar
    Join Date
    Jul 2010
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    111
    Location
    Oakland, Oregon
    Tractor
    Kubota M7040, BX 2370, KX-41 Komatsu D21A-7 Yanmar C25R track carrier

    Default Re: Single diesel oil for all aplications??

    I run Mobil 1 5W-40 synthetic in every diesel I own. Trucks, dozers, tractors, etc. May not be for everyone but it has worked for me quite well.

  3. #3
    Platinum Member HEC's Avatar
    Join Date
    Aug 2005
    Posts
    698
    Location
    Maine
    Tractor
    Kubota M5700 @ B2650HSDC

    Default Re: Single diesel oil for all aplications??

    Quote Originally Posted by moriboy View Post
    I run Mobil 1 5W-40 synthetic in every diesel I own. Trucks, dozers, tractors, etc. May not be for everyone but it has worked for me quite well.
    I know a contractor in my area who buys rotella t by the barrel and runs it in all his equipment, even his gas car and pick up , been doing it for years now .

  4. #4
    Elite Member GManBart's Avatar
    Join Date
    Dec 2012
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    2,925
    Location
    Belleville, MI
    Tractor
    Massey Ferguson 241, Massey Ferguson 2244 crawler

    Default Re: Single diesel oil for all aplications??

    I can't imagine having any problems running that oil in all four machines. At $40 a gallon it better be awesome!

    I won't say better oil won't produce better results, but I think regularly changing oil, and ensuring the proper fill level are the most important factors in long service life.
    Life is short, time is precious, buy enough tractor!

  5. #5
    New Member
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    Jun 2014
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    Location
    Rothbury, MI
    Tractor
    none yet

    Default Re: Single diesel oil for all aplications??

    Rotella synthetic 5w40 and Chevron Delo 5w40 synthetic are also very good oils for a reasonable price. The 5 weight vs 15 in cold weather makes a big difference in starting diesels. I have run both of these oils in gas motors as well, with very good oil analysis results.

  6. #6
    Super Member
    Join Date
    Feb 2006
    Posts
    8,622
    Location
    VA
    Tractor
    JD2010, Kubota3450,2550, Mahindra 7520 w FEL w Skid Steer QC w/Tilt Tatch, & BH, BX1500

    Default Re: Single diesel oil for all aplications??

    Quote Originally Posted by wpala View Post
    Hi
    I have 2 older tractors , and 2 newer + RTV diesel, some older ones require SEA30 oil, newer 10W30, I found this on the amsoil web site and was wondering if this would be a good option of buying single oil for all my tractors? specs are impressive and is an Amsoil
    here is a link

    AMSOIL Synthetic SAE 10W-30/SAE 30 Heavy-Duty Motor Oil

    Any thoughts and recommendations are welcome
    Paul.W
    In Canada winter, even here in Virginia, you really want a 0 or 5 for the 1st number. A 10 will slow your cranking in the cold and not lubricate as well during the first period of operation after starting.
    larry
    This side of 40
    JD2010, Kubota L3450/FEL w SK QC, L2550 w FEL
    Mahindra 7520 [Pinky] /FEL w Skid Steer QC/w Tilt Tatch & BH, BX1500 [Mighty Mouse]
    IH37 Baler, CCM165 Drum Mower, JD Rake
    JD 127 bushog, Flail, SK Tilt Tatch , KK tiller, Rhino rear blade, Post driver, post auger, chipper, pallet fork, Grapple/Loader Buddy, Homemade Splitter/DC Welder

  7. #7
    Member
    Join Date
    Aug 2009
    Posts
    42
    Location
    Caledon, Ontario, Canada
    Tractor
    Kubota B2920, Kioti CK35 HST, MF-205

    Default Re: Single diesel oil for all aplications??

    I hear what you are saying about single digits for the first number but New Kubotas recommend 10w30 all year, plus if you look at the specs for that 10w30 it has -33F pour point that is a lat colder than I would want to be outside LOL

    Paul

  8. #8
    Veteran Member MHarryE's Avatar
    Join Date
    Feb 2009
    Posts
    1,461
    Location
    Northeastern Minnesota
    Tractor
    JD 7720; Kubota M135GX, NH TS115A; JD 6230; Kubota L5740

    Default

    The important number is the second, the viscosity at 100 degrees C or 212 degrees F. That is approximately the oil operating temperature. The first number is the cold oil viscosity but there is no standard temperature for all oils for this number. It varies - you can Google it and find how it is determined. Regular mineral oils achieve their multi-viscosity rating by use of viscosity enhancers and can shear down to a lower number with use. Synthetics, however, at least the best ones, do not utilize viscosity enhancers and if it says 5W-40 for example, the 40 will remain throughout its life. You will find synthetics having a broader range than mineral oils. So you will have no trouble using one oil for all.
    JD7720; KubotaM135GX; NH TS115A; JD6230; KubotaL5740

  9. #9
    Veteran Member Pete Judd's Avatar
    Join Date
    Aug 2010
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    1,005
    Location
    The Thin Gravy Ranch in The wet PNW
    Tractor
    Yanmar 186d, JD 314

    Default Re: Single diesel oil for all aplications??

    I have been running Delo 400 10-30 or Rotella 10-30 for all the diesels I have. Boat, tractor and gas and diesel cars and trucks as well. Never had a oil wear issue. Just change as needed as well as filters. I have 200k miles on all my daily drivers, no smoke, or use of oil. Just maintain, and enjoy.
    Yanmar 186D 1981
    5 foot Unknown brush hog.
    5 foot HF Finish mower.
    5 foot J-Bar back blade.
    HF Quick Hitch.
    Home made land leveler.
    Countyline Middle Buster.

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