| alex26, Ilia.Obuhov.52, RL , Yurko Slyusar and 4 other liked this |
1cctlives
Jun 18, 2020
If you look under the first freight car you can see a slight dip in the track. The engine will pull a cut of cars past, then push them back. As the cars pass over the dip they are uncoupled and gravity is used to roll the cars to the correct track.
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