Two EMD demo SD90MAC-H's sit outside EMD's LaGrange plant.

Merry Christmas, everyone! A westbound Union Pacific coal train led by EMD SD90MAC-H No. 8202 and two more SD9043MACs approaches Crescent, Colorado, on a very snowy April 23, 1999. Union Pacific 8... (more)

Warren Curve: Two Union Pacific SD90MACs (true 6000 h.p. SD90MAC-H locomotives), Nos. 8521 and 8513, pull a long freight eastbound through Warren, California, on March 28, 2001.

Union Pacific EMD SD90MAC-H No. 8502 leads four other UP GE locomotives with a westbound train out of Tunnel 9 at Walong, California, on famous Tehachapi Loop. Fate was not kind to the 6,000-horse... (more)

Two locomotives—12,000 horsepower: Two Union Pacific SD90MAC-Hs (the true 6,000 h.p. versions) approach Tunnel 2 at West Bealville, California. The train is in the middle of a long climb of Tehach... (more)

A long Union Pacific freight pulled by two SD90MAC-H 6000 horsepower locomotives ascend Tehachapi Loop, California, on March 28, 2001.

UP8509 descends toward tunnel 10.

UP8521 lifts a afternoon manifest into Tunnel 2.

UP8514 lifts an afternoon drag onto Tehachapi Loop.

A 6000 HP duo of SD90Macs lifts a lumber laden Manifest up Tehachapi Pass.

Several units wait thier fate including three of the four SD90MAC-Hs. Most of the SD40-2s were sold, however, the 90s still remain in the yard today.

I was given a tour of there property annd given permision to take photos.