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)
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)