The UP 844 steam special passes through the Keenbrook area in Cajon Pass as it prepares to crossover from the UP Mojave Sub to the BNSF Cajon Sub for the trip east to Yermo where the train will ov... (more)

UP 844 nears the summit of Cajon Pass just after passing through Silverwood.

UP 844 and train round the big curve west of Summit just as the clouds cleared to the delight of the many railfans on hand.

Union Pacific 4-8-4 844, the only steam engine never retired by its original owner, passes through the stark landscape at the northern side of Victorville, California, on November 19, 2011. The t... (more)

Union Pacific 4-8-4 844 leads a short train around Sullivan's Curve in southern California's Cajon Pass under skies that were threatening rain. The cold temperatures, though, provided more steam ... (more)

Union Pacific 4-8-4 844 passes through the "moonscape" just north of Victorville, California, as it heads for Yermo on November 19, 2011. (Coincidentally, the camera assigned this image the name ... (more)

Union Pacific train SWCYR 19, with 4-8-4 844 on the point, rounds Cajon Pass' famed Sullivan's Curve on November 19, 2011. The train is running from West Colton Yard, in Bloomington, to Yermo, ju... (more)

I think I can, I think I can.. After highballing West Colton yard, UP 844 leads its Yermo bound train up the UP Palmdale cut off to summit on a foggy and windy November morning.

UP 844 charges down the tracks as it rolls by the crossing at Lugo with a group of railfans enjoying this spectacular sight on Cajon Pass.

The engineers are on the lookout as UP 844 makes steam while rolling into Denver on a sunny morning.

Nearing its layover stop at West Colton, the UP 844 steam special rolls through Redlands at the west end of San Timoteo Canyon.

Nearing its layover stop at West Colton, the UP 844 steam special rolls through Redlands at the west end of San Timoteo Canyon.

Union Pacific 4-8-4 844, built by Alco, has been on the UP's locomotive roster ever since it was delivered in 1944. After dieselization, the 844 was used on special trains and excursions. One of... (more)

After stopping to repair a steam whistle in nearby Loma Linda, the UP 844 finally arrives West Colton where it will layover for a day of public display before continuing home to Cheyenne, Wyoming.

UP 844 heads for the yard as it approaches Pepper Ave.