This photo illustrates what goes on to the track structure during undercutting work as Union Pacific No. 902053 works on main 2 at McGrew, Nebraska, on the South Morrill Subdivision on July 26, 2009. UP No. 902053 is a Plasser & Theurer RM 2003 undercutter that specializes in cleaning ballast. Over time, ballast can break down, and other impurities like sand and dirt can further create drainage problems in the track structure. This machine excavates under the track to various depths as it moves along, with a series of conveyers taking the “dirty” ballast through screens, sorting out the fines and contaminants from good ballast, and depositing the “cleaned” ballast back onto the track with a oscillating return conveyor and distribution plow. The waste materials are discharged using conveyors that deposit the material to either side of the right-of-way, or into open-top railcars. The RM 2003 has the ability to lift the track to reduce the cutting depth when required, and can even shift the track laterally to clear trackside obstacles when needed. Better have good ties when using this machine!
Photo albums dedicated to the Men, and Women that keep the Railroad running around the clock 365 days a year. From Dispatcher to Track Gangs, these are the people that make the railroad moves!
