And now for the bolt machine

K, thanks for the help on the machinery descriptions.
Our speedswing is indeed narrow gauge. The DRGW had one that ended up on the D&S, it was so useful they wore out the original and just bought a brand new shiny one a year or two ago. Being the poor cousin, we purchased a good used one had had it converted to narrow gauge.
Your description of the spud liner sounds correct. I've only seen the machine, never seen one working. We bought a used standard gauge machine and are in the process of completing the conversion to narrow gauge.
The bolt machine is essenstially a hydraulic wrench used to tighten the bolts holding the angle bars....tedious job doing it by hand, we have a lot of joints that need tightening and this will speed up the process considerably.