Geez that was kind of harsh. Just never had tried to post a picture so after the first thing I tried it seemed the best thing to do was research a bit.
But seriously, thanks for the encouragement, believe I have it now.
They use the same setup to pay out new ties (with a grapple). Those tractors just skid along from car to car right down the work train. Pretty cool to watch.
The video in the other thread really shows a lot, I can see where this is a huge change for how railroads do business. You get a better look at how the hoe gets, and stays, on the cars.... still looks scary though