Transmission drive shafts

I began assembling the transmission drive shafts.  These are 3/4 solid steel rods, which I will need to cut a few grooves into for the pulleys keyways/set screws.  So far everything is looking like it is gonna fit and align perfectly.   One will be constantly sipping in forward, and the other in reverse when the motor is running.  There is no sort of clutches or anything.

Here are both of the shafts.  Once installed one will be right below the other one, and the pillow block bearings will bolt to the frame with the same bolts.
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I will weld in some mounting plates to bolt the bearing’s to the frame, since the holes would weaken that 3/4″ tube too much.  The white pulleys on the track drive sprockets are just set in place to show basic alignment.
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