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  1. JRHill

    What did you do to or on your Kubota today?

    Just looking at the 'lil toy tractor and being thankful. I'll say this and it is that I've made two good purchases. #1 was a '75 Toyota Landcruiser and #2 was the 'ol '84 B7100. And the Land Cruiser has a broken Birfield on the front 'cause I was stupid and used it as a tractor.. But the B7100...
  2. JRHill

    B7100D Manual, 1984, Electrical

    Oh, lastly, I really appreciate this 'ol rig. I bought it well used in the early '90s and the hour meter was broken then. Lord knows how many hours it had then and I have put many, many hours on it. There was a new hour meter but now that's not working either. Probably electrical this time. It...
  3. JRHill

    B7100D Manual, 1984, Electrical

    I'm getting ready to do some rewiring. Mostly everything electrical is out of service except for the Starting circuit. Just this last weekend I eliminated the bayonet connectors to/from the alternator/gen under the exhaust manifold. I was charging as recently as this spring but now not at all...
  4. JRHill

    B7100 headlight switch

    Just ordered this switch. Gotta love Messicks. New PN is 55311-41121 for $26.81 and it appears to have spade connectors instead of the solder spots. WooHoo! But the UPS/handling, dang, $23. I didn't even flinch for more than 5 minutes long.... TG its still available. A lot goes on in this...
  5. JRHill

    Mystery Bolt/adjustment?

    Yeah, but... When the duty is split between a geared transmission and hydraulics it is a thing. Of course it has to be thin enough for the hydraulics, esp weather related. OTOH, its not 85w-90gear oil. Yeah, I've seen where Mobile had to take zink out of the formulation for its formulation for...
  6. JRHill

    Mystery Bolt/adjustment?

    I've looked around and haven't seen any input about Mobile1 for the trans/hydraulic. I had a jug of 0w30 and another of 0w20, both Mobile1 with nowhere for it to go so I thought to try it since everything is cleaned up and the screen clean. Like I mentioned above, I'm not using the 3pt so I'm...
  7. JRHill

    Mystery Bolt/adjustment?

    OK. I don't even use the 3pt anymore. The BH is on there pretty much forever. But, I have wondered what anybody has ever used the Aux tap on the 3pt for something useful? I've always wondered about it for a log splitter but I bet the volume is too low.
  8. JRHill

    Mystery Bolt/adjustment?

    '81 B7001 manual xmission: Under the seat, right side top by where the 3pt pressure line comes in and the diverter accessory valve is located is this bolt painted yellow from the factory. It has a lock nut on it so it seems to be an adjuster for something. I'm guessing its a pressure adjustment...
  9. JRHill

    '81 B7100 (B7001) Need differential exploded view

    You are correct as I was able to trace through the motions later on Saturday before getting rained out. And thanks for the attachment.
  10. JRHill

    '81 B7100 (B7001) Need differential exploded view

    Anyway, I spent some time cleaning. The rig is on jack stands. Sure enough, power from the engine goes through the gear box (1, 2 and 3 and R), into the differential and back into gear box. I can get high range to just barely engage. There doesn't seem to be that little spot where ya can get...
  11. JRHill

    '81 B7100 (B7001) Need differential exploded view

    I appreciate the confirmation for the site. To have the site be secure costs a bit and if they are doing it for free, well its free for everyone and no revenue stream. I am an open source guy but these days , as OldHokie said it, ya have to be careful. Heck, this site is https, gladly. That...
  12. JRHill

    '81 B7100 (B7001) Need differential exploded view

    Thx Dan. I was there: The connection to kubotabooks.com is not secure I just don't do those sites. It's not worth it, not to mention insecure PDFs if the site is not https. I'm an IT guy. There are just some things I don't do on line, regardless of my local precautions. My loss.
  13. JRHill

    '81 B7100 (B7001) Need differential exploded view

    Hi Folks, My toy tractor is down, kind of. Its stuck in low range. I pulled the cover with the shifter/MFWD levers and drained it down. Everything in the gear box is good. I can see where the range selector engages a yoke on a splined shaft and it goes through the gear case and into the...
  14. JRHill

    B2601 4WD front tires spinning

    This is absolutely true. If the back axle is locked you absolutely need the front axle on a free differential - esp if you have a load in the bucket. If you could lock both the front and rear axles you will either break things or wear them prematurely or have a handling problem. For example, I...
  15. JRHill

    B7100 Replacement Starter

    Update 6+ months later: Other than tracing some wiring to make sure there were no corroded or broken connectors, etc., I never did any rewiring. All I did was change out the starter. I was gonna get to the wiring later including the new switch assy but didn't need too. It was a long standing...
  16. JRHill

    Reuse Quick Disconnect

    Why not? If they operate without leaking they are good to go.
  17. JRHill

    Oil change

    I've run straight synthetic (Mobile1) in everything, gas or diesel for a LONG time. Many years back I had heard cautionary stuff of converting over to synthetic on an old engine because it would dissolve sludge and buildup around seals, gaskets and even rings and bearing surfaces. The horror...
  18. JRHill

    B7100 Replacement Starter

    In addition to some wiring restoration it was time to change out the 40 year old starter. It's been sluggish for quite a while and despite battery condition, new heavy cables, etc. it has just been something I tolerated because of the replacement cost. But a week ago I saw a whif of smoke coming...
  19. JRHill

    B7100 Std Hydraulic Tap

    There was I time when I tired of fighting a 8hp Tecumseh on a towable 20T log splitter. I debated if the optional tap was usable for this duty relative to the available hydraulic pressure. I didn't want to fashion a PTO pump mount as it meant removing the back hoe or maybe just installing some...
  20. JRHill

    B7100 Std Hydraulic Tap

    Folks, under the seat on this tractor is a handle that diverts the flow from the lift arms for the PTO to an optional output. It has a threaded plug in it. Has anyone ever used this output for anything?