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EMD DDA40X
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The EMD DDA40X is a 6,600 hp D-D locomotive, built by EMD from 1969 to 1971, exclusively for the Union Pacific Railroad. It is the most powerful diesel–electric locomotive model ever built on a single
Union Pacific DDA40X 6944 at the National Museum of Transportation in Kirkwood, Missouri.
Union Pacific DDA40X 6944 at the National Museum of Transportation in Kirkwood, Missouri.
DDA40X 6943, behind GE C30-7 2400, demonstrating its comparative length on the Keddie Wye of the Feather River Route in 1984.
DDA40X 6943, behind GE C30-7 2400, demonstrating its comparative length on the Keddie Wye of the Feather River Route in 1984.
Union Pacific 6933, with another DDA40X and a GP30, hauls a TOFC train through Riverside, California in March 1979.
Union Pacific 6933, with another DDA40X and a GP30, hauls a TOFC train through Riverside, California in March 1979.
Union Pacific 6936 at the Railroading Heritage of Midwest America in Silvis, Illinois.
Union Pacific 6936 at the Railroading Heritage of Midwest America in Silvis, Illinois.
Union Pacific 6936
Videos
Union Pacific 6936 is an EMD DDA40X locomotive built for the Union Pacific Railroad. Previously a part of UP's heritage fleet, 6936 was for several decades the last remaining operational "Centennial"
EMD DDA40X
…retired by 1986. Twelve DDA40X units are preserved by various museums, while another unit survives as a source of spare parts for other locomotives. UP 6936, the sole operating unit, was owned by Union Pacific and was used in excursion service until 2016. In 2022, this locomotive was donated by Union Pacific…
Union Pacific 6936 as it appeared after its 2001 repairs
Union Pacific 6936 as it appeared after its 2001 repairs