Amtrak No. 644 (EMD SDP40F)

Amtrak No. 644 was one of 150 members of the EMD SDP40Fs/EMD SDF40-2s that were built between June 1973 and August 1974.
== Preservation ==
Amtrak No. 644 was acquired by Dynamic Rail Preservation Inc. and is in Boulder City, Nevada having been previously displayed in Ogden, Utah. It has been renumbered to its Santa Fe-era 6976 number and returned to operation in November 2019. Long term goals are to renumbered it back to 644 and return it to its Amtrak appearance.
== Trivia ==
* Not much information could be found on this diesel locomotive.
== Images ==
File:Maxresdefault644.jpeg
File:Dyrx 6976 03.jpg
== Videos ==
File:Ex-Amtrak SDP40F DYRX 644 Turns On Turntable (HD)
Category:Amtrak locomotives
Category:Amtrak
Category:AMTK
Category:Diesel locomotives
Category:Passenger locomotives
Category:Six-axled diesel locomotives
Category:Locomotives
Category:Preserved diesel locomotives
Category:EMD SDP40F
Category:Standard gauge locomotives of the United States
Category:4 foot 8 1⁄2 inch gauge
Category:American locomotives
Category:EMD locomotives
Category:United States
Category:Standard gauge locomotives
Category:Preserved locomotives
Category:C-C locomotives
Category:American diesel locomotives
Category:Utah State Railroad Museum