A UP SD40N leads the charge of a westbound empty grain train at Mount Prospect, IL.

UP SD40N 1914 holds at Central Ave in Mount Prospect with a eastbound grain train.

UP SD40N 1914 leads a grain train west past the depot in Mount Prospect.

A pair of UP SD40Ns lead a late MPRPR south through Des Plaines.

UP SD40N 1914 leads a late running MPRPR east through Mt. Prospect.

UP 1655 was built in 1980 as an SD40-2 numbered UP 3733. It was later rebuilt as a SD40N. Here the unit is working Union Pacific's Sargent Yard in midtown Memphis.

A UP SD40N, an H2 BNSF Dash 9 and a SOO GP38-2 are slowly making their way down the "Wash 4" track at KK Bridge in Milwaukee, taking train 286 to Bensenville. KK Bridge is still home to ... (more)

CP 286 rolls south at Rondout, IL with a very strange leader in UP 1950. UP 1950 is one of Union Pacific's fleet of fresh SD40Ns that is usually held captive to the Proviso ATS-equipped pool of en... (more)

With a very colorful history, including life as UP 1996, one of the two SD40 for the 1996's Olympics Relay train. The now rebuilt SD40N basks in the afternoon sun of Arizona after being set out a ... (more)

Harkening back to a time when waves of armor yellow painted EMD SD40-2s were standardizing road power on Union Pacific's portion of the Overland Route, a trio of North Little Rock 'rebuilds' burst... (more)

A rare leader in these parts, UP 1950 leads K636 where it'll tie down in about 2 miles for the day.

UP SD40N 1999 leads YPRCP west into Franklin Park.

A Union Pacific SD40N works the yard in Clinton, Iowa just after sunrise on a beautiful March day on the Geneva Sub.

UP 1914 leads C-OKNS (Oak Creek to NS interchange) south at control point Valley in Northbrook, IL. UP 1914 started off as a CNW SD40-2, and the engine is right at home next to the rare ovular CNW... (more)

The once-a-week Potash Local heads back Westbound on the Cane Creek Branch after departing the Mine at Potash.