An extra intermodal with steamship boxes bound for Georgia Port Authorities' Garden City terminal rounds a curve into Atlanta.

Union Pacific GE AC4400CW No. 6778 is having PTC electrical work done on Track 5, while over on Track 4, UP GE AC4400CW No. 6704 is in for an overhaul and getting a new prime mover installed, at r... (more)

A General Electric 16-cylinder 7FDL16 from Union Pacific AC4400CW 6704 sits on the shop floor after removal from the locomotive. It pretty obvious which cylinder or two had a defect or problem as ... (more)

On the afternoon of August 5, 2000, an eastbound Union Pacific coal train heads downgrade out of Plainview, Colorado, and is approaching Tunnel 1 on UP’s Moffat Tunnel Subdivision.

A Union Pacific coal train is eastbound in Little Gore Canyon east of Azure, Colorado, on June 6, 2013. The train is exiting 63-foot Tunnel 40, the shortest tunnel on UP’s Moffat Tunnel Subdivis... (more)

A worker at Union Pacific’s South Morrill Locomotive Facility attaches the old exhaust stack from UP GE AC4400CW No. 6704 to a new prime mover that is being prepared for installation during the ... (more)

A new prime mover is being moved across the shop floor via overhead crane for installation in Union Pacific GE AC4400CW No. 6704 during an overhaul at UP’s South Morrill Locomotive Facility on S... (more)

Two Union Pacific electricians work on PTC equipment installation for UP GE AC4400CW No. 6778 in the railroad’s locomotive shop at South Morrill, Nebraska, on September 14, 2017.

6778 & 4984 depart the Port of Beaumont with a train of military vehicles. In the background is the Neches River bridge, 22 March 2018

The 16-cylinder 7FDL16 from Union Pacific GE AC4400CW 6704 sits on the shop floor after removal from the locomotive. It pretty obvious which cylinder or two had a defect or problem as much of it i... (more)

A new prime mover is being prepared for installation in Union Pacific GE AC4400CW No. 6704 during an overhaul at UP’s South Morrill Locomotive Facility on September 14, 2017. The old prime mover... (more)

At Union Pacific’s South Morrill locomotive shop in Nebraska, Kaleb Ewing uses an overhead crane to move a used traction motor/wheel assembly on September 14, 2017.

UP 6778 and 5965 are moving right along, west of the town of Echo nearing Henefer.

UP 6778 rolls westbound through Echo Canyon.

Union Pacific 6778 passes Baskin in Echo Canyon. Pulling an afternoon westbound.