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Sunday, January 15, 2023

Kubota winter transmission problems

Kubota B8200 owner: Why does it take 20 minutes of running time before my 3 point lift will work on my B8200? I’ve replaced the fluid and cleaned the screen. It just won’t work until it hits temperature and it’s jerky at best then. The longer it runs the better it gets. And help is appreciated as I’m frustrated at this point.

Intelligent Tinkering: Here in Maine with a B6000 4WD, I chain the tiller, which lives on the 3pt, up for the winter. It makes a good counterweight for a loader filled with snow, so I don't use the 3pt. But the loader, which has a belt-driven pump and regular hydraulic fluid, takes fifteen-twenty minutes to warm up when it's cold. The warmer it is, the less time it takes. But it then runs fast and smooth. But do you keep it out of the rain the rest of the year? And is your state humid? The transmissions on these things can too easily get water in them from condensation from atmospheric humidity and leakage through the gearshift bellows, so check the oil for "milkshake" emulsion. Even if there isn't any milkshake, there can still be separated water in the bottom, so pull the plugs too and drain out the first pint or so. (If it's clear you can put it back in.) Go steady with this. If the water freezes in the reduction gear, you can break a half shaft. (I know from experience.) It takes a long time for engine heat to thaw the trans, and in even moderately cold weather it can't. The aluminum cases on the transmissions on these things won't accept a magnetic block heater, but if I put a farm heat lamp under the rear end I can speed things up.

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