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OP here with an update. After several tries (air alone; ratchet strap + air; exploding ether, etc.) I was finally able to reseat the bead on the tire in the field. What finally worked was using Murphy's Tire Soap (really goopy vegetable product, just packed it around the rims), ratchet...

I checked my original invoice, and it is indeed "Rimguard". Sounds like nothing toxic or anything I should be worried about having spilled all over. Bead is definitely off, tire completely loose around rim. I'm thinking the advice to remove the wheel and take it to a tire shop for reseating...

I have a B3300su with loaded rear tires. One day I used the tractor to push some snow around, and then a few days later I took it out to snowblow early in the morning (pitch dark) and couldn't get any traction with it, everything just spinning around, and I had to leave it outside where it was...

Ended up going with new ujoint at tractor end, as well as all the suggestions of rAzkid, and tried it out. Works great, no clunking anymore! Will look into new driveshaft someday, but this is probably doing to be a light-duty implement for me in SE Michigan. Thanks for all the help, everyone.

Is there a way to size the u-joint needed before disassembly or are these pretty standard sizes? Edit: spent 90 minutes pounding the darn thing out, but got it out and have now identified the part #. Link here if this is useful for anyone else...

Picture of outer/inner shafts. Inner is 15.5", outer is only 10". Overlap is ~7" when fully extended, 8" when in shorter (raised) position. Good news is that the u-joint nearest the implement seems pretty good -- no play and it's easy to move all directions. The U-joint on the tractor is...

Thanks, everyone! Good information, and I'll try all of this out and report back. PB has had several days to do its magic...

Good thought, but this shaft is slightly rectangular and only accepts the other half in two of the 90degree positions.

Good point. I just marked the shaft in both positions and measured the overlap: 8" when raised (works) and 7" when lowered (chatters). Shaft seems pretty tight, so I wouldn't imagine it's too short. Either way, I guess I would need to replace the PTO shaft? Looks like there may be a rusted...

I picked up an old George White 5' snowblower for my B3300SU Kubota. Seller demonstrated its operation on his tractor and everything looked smooth. Bought it, hooked it up, and it runs great if the blower is about 8" off the ground. When I drop toward the ground, the drive shaft starts...

Great work and nice pictures for others to reference, TedF -- let us know how it turned out for you! As for me, I bit the bullet and had the dealer look at it. They said there was too much scoring in the valve to be able to rebuild, so they had to order a new valve ($1200). Though my tractor...

Belated reply -- as I haven't made any progress on this issue: Removing the lower cap on the affected valve, all I can see is a spring, well-lubricated, without any sign of corrosion. I don't seem to be able to remove it, however, and even with the lower cap off, I cannot use the joystick to...

Hi everyone, I've read extensively all the threads I could find on this forum regarding control valve problems and feel I have a decent idea about these things, but looking for a few words of wisdom before I crack mine open to try to fix... The problem: I can't uncurl the bucket on my Kubota...