Pushers in Wisconsin? Soo Line 2550 and 700 team up to push a Soo Line (Lake States) train thru Fond Du Lac and up Bryon Hill in September of 1987. One doesn't normally think of Wisconsin as needing pushers, but this was a common occurrence here. Pushers were also sometimes used on the CNW in Hudson, WI, on the MILW up Lake Hill in Milwaukee, and other places as well.