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  1. R

    BX2380 - 50 hr service - HST fluid replacement

    Sounds as though you're in luck on the BX. I tried elevating the back of my B2601 at 50 hour filter change and lost about a gallon of fluid. Too late to do the wet/dry vac trick. Sounds like on the BX that it is not needed.
  2. R

    What's to Small, B5100DT

    I'd think that your tractor should run a MacKissic (Mighty Mac) TPH 122 off the PTO on the 3ph. It's Category 0. I ran it on my 18.5 hp JD 4010, 24.5 hp JD 1025R and 24.5 hp JD 2025R. You just need the TPH (three point hitch) model. Because it's category 0, it would probably fit really fine...
  3. R

    ROPS. ?

    I keep mine at 45 degrees: low enough to fit underneath garage doors but high enough to work as ROPS.
  4. R

    Took used oil and coolant to Advanced Auto

    When they reclaim used oil, they vacuum distill it. Antifreeze and water would come out first even at atmospheric distillation. Heavy stuff from the vacuum distillation would get discarded and would have any metals, etc. in it. I've sometimes combined my brake fluid I replace with used oil.
  5. R

    Took used oil and coolant to Advanced Auto

    I took my used oil from the Isuzu change to Advanced Auto. I inquired about how to dispose of used coolant. They have a barrel for that, too. Used to have to wait for a day at the local landfill.
  6. R

    Antifreeze

    I doubt it makes much difference. I bought the Kubota antifreeze for it and have the manufacturer's ones for each of the cars. Could not get in touch with Central Maine Diesel when I did the 10 year coolant change on the Isuzu and know of no Isuzu dealers. So, I used a leftover, unused...
  7. R

    LX2610 Oil Fill Location

    The 3 JDs had those 2 locations. The B2601 seems to only have the top one on top the valve cover. That one is easier because it isn't slanted like the one on the 3 JDs down low in the front. The Isuzu has both like the JDs had.
  8. R

    Kubota oil

    Nice to see that they finally put the same stuff out for the public that I put together in the early 90s. At that time, the stuff I put together would have been proprietary. I've all the same tools as in the reference including a bunch more. Could model a whole lube oil processing plant to...
  9. R

    Kubota oil

    Here's the code from our tools. You just put it into Visual Basic part of Excel. Global Const FNULL = -3.4E+38 Global Const DNULL = -3.4E+38 Global Const TRF = 459.67 Function third_cs#(ByVal Vis1#, ByVal TempF1#, ByVal Vis2#, ByVal TempF2#, ByVal TempF3#) ' ******************** THIRD_CS...
  10. R

    Kubota oil

    The vis of oils @ 260 F: 15w40 = 8; 10w40 = 9; 5w40 = 9; 0w30 = 7; 0w40 = 9; SAE 20 = 5 @ 230 F: 15w40 = 11; 10w40 = 12; 5w40 = 12; 0w30 = 10; 0w40 = 12; SAE 20 = 7 The ASTM may have some sort of typical plot of oil temperature vs. outside temperature and some breakpoint vis that they use to...
  11. R

    Kubota oil

    I don't remember where I got the sq rt relationship for cranking speed. Online somewhere from some bench test results. I worked for 31 years in the lube oil industry and put together computer tools for us engineers to use in our office and in the field. Before, we had plots in a little...
  12. R

    Kubota oil

    Be interesting to compare the SAE 20 cranking viscosity with the one for 15w40. I could not contact ASTM to find out the reason for the upper temperature limits. All oils in water cooled engines operate at around 210 F as set by coolant at 195 F, typically. The lower temperature limit makes...
  13. R

    Kubota oil

    The ASTM equation is log log(cs+.7)=a+b log(t) Gives you a straight line for cs vs. temp. Can calculate viscosity at starting temp. Think it's absolute value of temp. The above plot clearly shows the advantage of 5w30 vs. SAE 30. I used this kind of information to compute relative cranking...
  14. R

    Lift Arm Adjustment

    Check the length of your top link vs. lower lift arms. Could be that your top link is longer than lower lift arms. I had this on my JD 4010 (like a 2019E if made). They'd put the lift pins on the brush hog in the wrong position. If the top link it too long, it will drive the trail wheel down...
  15. R

    Kubota oil

    There's not enough information on the plain SAE grades to determine what their cold temperature viscosities would be. Need VI or a 2nd viscosity value to do this. If they have no VI improver, they're probably only 95 VI, which is typically what is made off the final treatment usually dewaxing...
  16. R

    Kubota oil

    You're making a mountain out of a mole hill. The first number is the grade for starting at low temperature. Second # is the grade when at operating temperature. The single grade oils meet some sort of xxwyy spec but without VI to calculate what that lower temperature vis value is, you cannot...
  17. R

    Kubota oil

    The 20W is for like a 20w50 oil, for the 20W part. SAE 20 is just 20 weight oil. Neither above nor on line could I find any spec on VI or a lower temperature spec for it to know what xxw20 it is. The first number is NOT the grade of the oil. It is for its specification at some lower...
  18. R

    Kubota QH15 attachments pop off

    Can get the cat 1/2 and 2/3 bushings at TSC. The keepers on the end are the same as what you'd use for no QH.
  19. R

    BX ballast-400lb enough?

    My 400 to 518 # implements are good on the 3ph plus filled tires on every tractor I've owned for heavy FEL lifts, but the implements are quite a ways back. You'll need more on a more compact ballast box.
  20. R

    Kubota QH15 attachments pop off

    If your lift pins stick out far enough to put keepers in the end holes, you can just buy cat 1/2 bushings and use the keepers to keep them in place. LOTS cheaper at $4 vs. those lock-on $38 ones pictured above. My QH is Cat 3. So, I use Cat 1/2 and Cat 2/3 bushings with keeper pins in the end...