I had a break in my work schedule, so I decided to pull the Eaton axle out.
I tried whimpingly to unbolt the u-bolts with a 4' pipe extension on a breaker bar - no luck.
So I cut them.
The torque put on these u-bolts is amazing, when I had a little more than a 1/16" to go, the u-bolt snapped apart.
I was told in these forums you should replace the u-bolts either way, and this pic proves that recommendation:
