A former US Army RS4TC works the terminal in Hudson, Colorado.

Hudson Terminal Railroad's #4027 (RS4TC) runs into the yard and will begin sorting oil cans.

Hudson Terminal Railroad's #4027 (former US Army RS4TC) runs to the yard past the wildflowers that have bloomed with recent rains.

Hudson Terminal Railroad's #4027 (RS4TC) moves a cut of oil cans in the yard in Hudson, Colorado.

Hudson Terminal Railroad's #4027 works the oil tanker yard in Hudson, Colorado. The diminutive switcher engine was built in the 1950's for the U.S. Army and later worked for the Royal Gorge Railr... (more)

HTR 4027 (Baldwin RS4TC) shuffles a string of oil cans at the terminal in Hudson, Colorado.

One of the best Baldwin RS4TC engines you will see is this Hudson Terminal Railroad's #4027 which can be found in Hudson, Colorado.

Hudson Terminal Railroad's ex-US Army Baldwin RS4TC assembles oil cans at the terminal in Hudson, Colorado.

An ex-US ARMY veteran, Hudson Terminal Railroad's 4027 (Baldwin RS4TC) can be found these days shuffling oil cans in Hudson, Colorado.

Hudson Terminal Railroad's 4027 (Baldwin RS4TC) heads into the yard to sort oil cans for the BNSF local, which will take them to Commerce City, Colorado.

Hudson Terminal Railroad's 4027 (Baldwin RS4TC) moves oil cans in the large yard and the terminal in Hudson, Colorado.

Hudson Terminal Railroad's 4027 (Baldwin RS4TC) runs through the yard of the large oil can transfer facility in Hudson, Colorado, passing one of the many old passenger cars that are stored at the ... (more)

A sharp looking Baldwin RS4TC works the oil terminal in Hudson, Colorado.

Here is a closeup of the Hudson Railway Terminal's Baldwin RS4TC, a 1950's ex-US Army engine now working in the large Hudson, Colorado facility shuffling oil cans.

Hudson Terminal Railroad's 4027 (ex US Army Baldwin RS4TC) is surrounded by oil cans as it sorts cars in the large yard in Hudson, Colorado.