Electro-Motive Diesel’s SD70ACes demonstrators #1208, #1208 and some other UP power pass over the Colorado River Road with a westbound West Elk Mine coal empty.

EMD Demonstrators #1206 and #1208 pass through Range with coal empties on the Dotsero Cutoff - Glenwood Springs Sub.

Performing tests along CSX's former L&N mainline between Corbin and Cartersville, EMDX SD70ACe Demonstrators No. 1203 and 1202 lead a northbound empty hopper train through Lake City on CSX's KD Su... (more)

EMDX 1204 and 1205 pose at Louisville on the P&L. The units are on their way to Progress Rail at Mayfield, KY.

EMD SD70ACe's 1210 and 1209 lead a southbound loaded CSX coal train.

Owned at EMD locomotive, GT46AC model with corporative scheme, which is currently in the city of Vallenar, under the control of FERRONOR railway company for testing its iron trains, given the purc... (more)

First of its kind Developed as answer to replacing DC locomotives with AC power at a likely lower cost and a direct response to the GE ES44C4 model, EMDX 1207 is the first six axle AC loc... (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)

An eastbound UP stack train runs around EMD 7011 East at Stockridge. UP experimented with several SD70M demonstrators during this period before purchasing hundreds of the model.

EMD 1, EMD 2 and EMD 4 lead a special Santa Fe intermodal test train with specially equipped passenger test cars out of tunnel number 1 on Cajon Pass.

2 EMDX demos lead T411 through Akron after a considerable delay due to an eastbound autorack pulling a drawbar and having to wait for 7 other eastbounds to run around it.

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

Maybe it was an SD55. In any case EMDs test string was reportedly working on the Saluda grade which was still open then. These units varied in many features over the years and were iinteresting ... (more)

Bringing a final cut of 35 coal loads west from Liberty Mine, a pair of Electro Motive Division SD70ACe Demonstrators drag down the Pond Fork main enroute to Danville Yard. The demonstrators are c... (more)

BNSF's northbound Pikes Peak Local descends the Palmer Divide approaching Larkspur