XO jack in action. We got trapped on the trail because of a tree drop blocking the route. I didn't have room to turn everything around, so unhitched and spun the trailer right around. This would have been a big workout with any other trailer jack, love this thing.
Here's what I had to go through in order to keep the axle and spindle...https://www.expeditionportal.com/forum/threads/replacement-axle-recommendations-for-m101a2.68199/page-2#post-2467157
I wanted electric brakes and had to keep the military spindle because nothing would fit the tube. I had to...
It's over 3/8 more like 1/2" I shortened my A3 axle on each side, here's a section view.
Here's a picture of the shortened A3 axle under a M101A2 body. Tires are tucked under just right.