2 pack of SD40E's helpers are on a hard push on the back of this 502 loaded coal train. The train has just hit the hard pull on the west side of the climb over the Alleghenies Mountains. The SD40E... (more)

2 pack of SD40E's helpers are on an easy push as this 502 slowly pulls east as the crew sets up the train for the decent into Altoona. Trains have to slow depending on tons per operating brake bef... (more)