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Recent content by jnf

Yesterday's Tractor Forums
  1. J

    U hydraulic

    I think this is what you need. Both lines go in, then out to your couplers on the tractor.
  2. J

    Minneapolis Moline U Transmission and Differential seals

    The original axles seals for my U were felt seals and were dripping. I measured the ID and OD and sourced modern neoprene seals. Worked for me.
  3. J

    Gear oil question ZTU

    Those front pedestals were of an interesting lubrication design. The lower bearing is greasable and has a felt seal. The upper bearing relies on the gear oil splashing out of the trough as the tractor bounces through the field. The oil is a consumable and needs replenished periodically. The oil...
  4. J

    M670lp crank, no start

    I use an Impco on my U. Just bolted the mixer to the intake manifold and mounted the vaporizer. Simple. Carb and Turbo in Shakopee, MN is another source. 952-445-3910. Let us know of your progress please.
  5. J

    M670lp crank, no start

    I will try to help. I have a U,GB and GVI on propane with ensign system, though slightly different than yours. If you disconnect the line that goes from the bottom of the mixer(carburetor) to the back of the vaporizer and can somehow gently pressurize it into the vaporizer by blowing into the...
  6. J

    M670lp crank, no start

    I will speculate that the vaporize/regulator is not opening for gas flow. It may need cleaning or rebuild.
  7. J

    UTS plugs help needed

    Can you apply the socket to a bench grinder and grind the outside circumference down?
  8. J

    UB special engine and pto question?

    Side note. U and UB shared the common rig gear and pinion. UB Special had same ring gear and pinion as GB. UB Special was the first MM to have an easily interchangeable front end, from wide front to narrow front.
  9. J

    cam shaft

    If I remember correctly, the cam has to be removed before the oil pump can be dropped out.
  10. J

    Gvi lp

    It appears to me you can remove the lines from the filter housing and bottom of the carb and plug or cap those ports. Those are original MM components (filter and carb).
  11. J

    Gvi lp

    These items appear to be add-on. They are not on my GVI LP. I would be inclined to delete them.
  12. J

    G700 tractors

    G704 has a 425 cu.in. engine. 705 and 707 has 504 cu.in. engine. 706 and 708 are front wheel assist versions of 705 and 707 respectfully.
  13. J

    UB coolant issue

    Just a thought. Is the overflow tube in good shape and discharging below the radiator? I had one that was broken and discharged in front of the fan.
  14. J

    UTS Clutch

    It is not necessary at all. We have used a U as an auger tractor for decades and leave it idling between loads with the clutch disengaged.
  15. J

    Propane regulator/vaporizer question

    Well, we will leave this as a mystery. I bought it from a pallet of parts that was thought to be from a UTU.
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