UP SD70AH 8948 leads EMDX 1502 to the Moffat Tunnel for high altitude testing on a sunny day in March, 2016.
A mixture of sounds from EMD's 16-710 prime mover, along with the new 12-1010, and dynamics fills the air as a test train from Denver to Tabernash, Colorado makes its way up the 2-percent grade in... (more)
The weather continues to change rather quickly as a test train led by SD70AH No. 8948 consisting of two of EMD's brand new SD70ACe-T4 Demos is seen crossing over Rollins Pass Road between Tolland ... (more)
Electro-Motive: The Next Generation of Progress...
They say the weather in Colorado can change within five minutes, and that is absolutely true. While chasing the "Demos" up the hill, gaining almost 3,500 - 4,000ft in elevation, it was a... (more)
Union Pacific SD70AH No. 8948 leads EMDX SD70ACe-T4 Nos. 1502 and 1503 along with three other UP units on a test train from Denver to Tabernash, Colorado (SDVTN 07) up the 2-percent grade in Coal ... (more)