A Rail King RK 320 trackmobile prepares to move a locomotive at the transfer table outside the Union Pacific locomotive shop at South Morrill, Nebraska, on September 14, 2017.

Since no locomotives are allowed to run inside the shop, a Rail King RK 320 is used to move them in and out of Union Pacific’s locomotive shop at South Morrill, Nebraska, on September 13, 2017. ... (more)

Locomotives blocking the way when you’re switching with a Rail King RK 320? No problem. Just lift the wheels and drive to the next track, like this mobile railcar mover (trackmobile) is doing on... (more)

A Rail King RK 300 mobile railcar mover (trackmobile) rides the transfer table to the next locomotive switching move at Union Pacific’s Downing B. Jenks Shop at North Little Rock, Arkansas, on M... (more)

Rail King RK 320 No. 96 switches a freshly-painted C&NW covered hopper at Union Pacific’s De Soto car shops at De Soto, Missouri, on September 29, 2011. This Cummins-powered mobile railcar mover... (more)