UP 5519 & 8473 westbound with a grain train.

A UP manifest is seen in various segments on Tehachapi Loop, with their DPUs about to enter the tunnel as the head end meets a BNSF grain train.

A couple DPUs bring up the rear of a manifest as they wrap around Tehachapi Loop.

UP 5519 leads its train east at Crowsnest Summit.

A spotless UP unit in Montreal. UP 5519 is spotless as it leads CP 550 with oil loads for Albany near Lasalle station. Another UP GEVO (UP 5509) was shoving on the rear of the train.

UP 5519 approaches Smiths Falls with Albany, N.Y. bound crude oil train #550.

A westbound Union Pacific freight led by AC4400CW-CTE No. 5519 is just east of Arlington, Nebraska, on August 16, 2012. In a panned photograph, the American flag on the locomotive’s side seems t... (more)

Union Pacific 5519 leads a stack train through Hesperia on California winter late afternoon.

UP 5519, NS 9879, MEC 606, MEC 348, MEC 600

Two of UP's hottest new locomotives are seen running elephant style at the lead of an outbound UP stack train at 34th st. (Desert 3). Nikon D70, 18-70mm. www.bayarearailroading.com