IC 6071 & 6072

Caption:  IC 6071 in August 2001.
Model:  SD40-2R
HP:  3000
Builder:  EMD
Year:  9/1966
Notes:  Prototype SD40, built on an SD35 frame.  EMDX 434 to GM&O 950 to ICG 6071 and finally to IC 6071.
 
Caption:  IC 6072 at Magnet, Illinois.
Model:  SD40-2R
HP  3000
Builder:  EMD
Year:  MKT 613 09/1979  MKT 628 08/1980
Notes:  Built from parts of MKT 613 and 628, became MKT 637 in 1985.  Became UP 3844 by 1991.  Finally to IC 6072 in 1997.