A pair of Union Pacific 3GS21B genset locomotives, UPY 2743 and 2740, have backed the animal cars from the Ringling Bros. and Barnum & Bailey Circus train under the 57 Freeway and down the railroa... (more)

More and more Genset 3GS21B's have been spotted in the UP's North Yard in Denver as of recent.

Its always a bit exciting to see something new when trainspotting. For me, it was seeing for the first time in these parts a Genset 3GS21B. This one was spotted in the UP's North Yard in Denver. ... (more)

The Ringling Bros. and Barnum & Bailey Circus train always draws a crowd - particularly when it comes time to unload the elephants and horses! Late in the afternoon on July 24th, 2013, Union Paci... (more)

A pair of Union Pacific GS21B Genset switchers put together a short train of Ringling Bros. & Barnum and Bailey Circus cars (flats with wagons and the horse and elephant cars) to back them to Anah... (more)