Photo By: Kevin Morgan

The first ever 4-stroke prime mover built by EMD went into the SD90MAC. The 6000 HP unit was brand new in 1998, and EMD was giving it a shake down on a loaded coal train on the Moffat. Here, UP 8503, UP 8502, and UP 8501 throttle up to head west out of the siding.
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Saturday, February 14, 1998
image date

Location Information
City or County and State
Arvada, CO

Moffat Tunnel (UP)

Milepost or Control Point
Plain (6,530ft)

Train Information
Union Pacific
Unit Number
UP 8503

Future Number(s)
UP 8913

(Post-UP 8503) - Photos of UP 8913


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