One of the UJT yokes on our Kubota tractor has failed, one of the 'arms' is broken so no longer retains the needle roller bearing. Is there any sane way of repairing this as replacements seem nearly impossible to find. It's a bit of a strange design as the yoke goes direct onto a flanged shaft (i.e. it has an internal spline) so finding a non-Kubota replacement is unlikely. However if anyone can recommend suppliers of (small) UJTs with splined connections I'd be interested.

Possibly cast iron? When you say broken, do you mean a brittle fracture or something else? Photo? Cast iron can certainly be TIG welded with the right rod and some skill. I'm not sure if it can be silver soldered. Maybe SG can be, not sure about grey. Google is ambiguous. If it were mine (and not having TIG) I'd probably try silver soldering. Obviously, you might need to bore out and sleeve the bearing housing afterwards, or perhaps see if a bigger bearing can be fitted. Failing that, might it be possible to cut off the splines and graft them on to something else?

Repair of a universal joint yoke - possible?

Oct 07, 2018 21 Replies

Rate this thread:

samchunk 7 years ago

There are operations that allow you to use a US address to have stuff shipped to which will then send it anywhere you like.

Secondly if you look at a list of prices or quite varied small

Vote

AJH 7 years ago

I think it was worth running a bead with a MIG over the yoke and seeing how it files across the parent metal. If it goes well and is machineable build it up, squeeze the ends parallel and get it line bored.

AJH

Vote

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required