Amtrak engine #174 in the new Phase VII paint brings the California Zephyr through the BNSF yard in Denver, Colorado.

After arriving in Denver on the front of the California Zephyr, Amtrak engine #174 gets positioned in the Denver Yard until the Winter Park Express Ski Train returns from its run to the ski resort... (more)

One of Amtrak's newest painted P42DC (#174) led the California Zephyr from Chicago to Denver, where the colorful unit will be pulled off and assigned to the Winter Park Express Ski Train.

BNSF Executive Grinstein #9709 (SD70MAC) is well known in the Denver area for making the Beer Train run between the Coors Brewery in Golden, Colorado and the yard in Denver.

UP 7425 (ES44AC) runs a hopper train through the North Yard in Denver, Colorado.

BNSF 1532 (GP28-2) repositions in a busy Denver Yard where it will work side by side other units sorting freight cars.

A line of heavies are getting serviced at the fuel and sand stations while light power works on sorting cars in the massive North Yard in Denver, Colorado.

Welcome to the wayback machine in Denver, Colorado. When was the last time you saw two Warbonnets and a Burlington Northern motor side by side?

A variety of light and heavy power wait for servicing at the engine facility in Denver, Colorado,

The California Zephyr pulls into Denver, Colorado as light snow falls. The train will now back up into Denver's Union Station to change crew, pick up and discharge passengers, and service the eng... (more)

Amtrak engine #169 (P42DC) sits in reserve at the BNSF engine facility in downtown Denver. If there exists a problem with an Amtrak motor while in the Denver area this engine would get called to ... (more)

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BNSF 1532 (GP28-2) climbs out of the bowl at the huge yard in downtown Denver, Colorado.

With only minutes of evening sunlight left, UP 5567 (AC4400CW-CTE) and four other UP motors head for the servicing island in the North Yard after being separated from the coal train in the upper l... (more)

It's Throwback Sunday at the BNSF engine servicing facility, with two former Santa Fe Warbonnets and a Cascade Green Burlington Northern SD40-2 waiting for service or orders.