AC B Stub axle replacement

Anonymous-0

Well-known Member
I need to replace the rear stub axle on a AC B. I know that there is a big nut on the inside of the final drive that must be loosened. The last time I did this, many years ago, I used a monkey wrench and a hammer. Anyone got any better ideas?
 
About exactly what I do. The difference in how I do it is with the press I do not have to beat on the axle. You do have to move the axle a little as you loosen the nut. On the press as soon as the nut clears the threads the axle drops out with very little pressing.

AllisBFinaldrivecasting3-vi.jpg
 
For stuff like that I use a 3/4 drive socket set I have and a long cheater bar or my impact gun. I have sockets all the way up to 3 inches and wrenches up to 2-1/2 inch
 
Can't use a socket as this nut has only two flats and is in the middle of the axle in a very tight space inside the bull gear housing.
 
i cut out a big wrench out of 3/8 steel plate. Has to be thin to get between the case and gear. Pipe wrench might be a little wide.
 
I cut myself a wrench. That is the same nut as the one on the outside, so I used that as a template. Used a piece 1/4" thick stock, 5' long, then cut half the nut pattern into the end, welded another section with the other half of the cut out to it. Now I have a long handled wrench to tighten the outside nut too. IIRC I jammed my pry into the bull gear and the nut was not too bad to loosen. Dick L has it right, loosen the nut, tap or pess the shaft until you run out of play, then repeat.
 

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