A southbound Union Pacific manifest freight climbing the steep grades of Tehachapi Pass has stalled at Bealville, California, with locomotive problems. No surprise, since this train is powered by ... (more)

Two Union Pacific EMD SD90MAC-H locomotives pull an eastbound manifest freight up Tehachapi Pass at Cable, California, on a sunny March 8, 2001.

BNSF run through power leads an empty oil train through Smithton PA in beautiful fall colors.

Two Union Pacific SD90MAC-H's (the true 6000hp version) going up Tehachapi Loop, California October 06, 2001.

Two new Union Pacific SD90MAC-H #8523 and #8522 built 4/99 at Electro-Motive Canada London, Ontario sitting in Canadian Pacific yard May 22, 1999 . Photographer Pierre Ozorak. Photo taken f... (more)

After some stationary high-altitude testing by Union Pacific and Electro-Motive Division, the four 6,000 horsepower SD90MAC-H locomotives, got a workout with some tonnage. A test train consisting ... (more)

Union Pacific and Electro-Motive Division tested EMD’s SD90MAC-Hs in 1998 on a rare movement of coal loads going up the 2-percent grade from Denver toward the Moffat Tunnel. Union Pacific Nos. 8... (more)

Electro-Motive Division, along with Union Pacific, did some high-altitude testing of EMD’s SD90MAC-Hs at aptly-named Plainview, Colorado, in February 1998. Here, UP Nos. 8503, 8502 and 8505, alo... (more)

During the high-horsepower race in the late ‘90s, four 6,000 horsepower Electro-Motive Division SD90MAC-H locomotives, along with EMD’s test car, head up to East Portal, Colorado, for some hig... (more)

Electro-Motive Division SD90MAC-H No. 8504, specially painted for EMD’s 75th anniversary, is the DPU on a westbound loaded coal train that is testing on Union Pacific’s Moffat Tunnel route. Th... (more)

Union Pacific tested EMD’s SD90MAC-Hs in 1998 on a rare movement of coal loads going up the 2-percent grade from Denver toward the Moffat Tunnel. About a half a train of loaded coal hoppers, pro... (more)

Shamu
Four 6,000 horsepower Electro-Motive Division SD90MAC-H locomotives, along with EMD’s test car, head up to East Portal, Colorado, for some high-altitude testing on January 30, 1... (more)

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)