A FS10 is picking up a P&LE 2-bay hopper from the terminal service track and taking it back to the interchange track. From there it will head back to a coal mine for another load of coal. The Pittsburgh and Lake Erie, the "Little Giant", is a NYC independent subsidiary with headquarters in Pittsburgh.
The F (FM) S (switcher) 10 (1000hp) is a RailKing H10-44, and the hopper is from Atlas.