Ignoramus7394 wrote:
I am eyeing a job that would involve pulling large gears off their
shafts. Gears are 3ft in diameter and some may be even 4ft.

This being the United States of America, I am sure that commercial
solutions have been developed for that kind of thing. I wonder what
sort of places should I call to rent some big gear pullers?

no answer to this, but did you make it to the Wisco openhouse last week?

There was quite a bit of welding and cutting equipment to play with.