Hump Duty

October 13, 2007. Alorton, Illinois.

Two UP SD40-2s sit idle on one of the two hump tracks at the Alton and Southern's Gateway Yard. You can see an auto rack car beginning to roll down the other hump track. Cars are pushed over the hump from the left and roll down the right side into what are called bowl tracks. Bowl tracks are were new trains are built and stored.

UP 9910 is fitted with remote control equipment so that the operator can be on the ground as the unit goes about its hump duties. If you look closely you can see the remote operator walking next to the two locomotives. The other SD40 is number 3120, and at the time did not appear to be fitted with remote control equipment.


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