staples sub railfan engine types

  The   EMD GP9   is a four-axle   diesel-electric locomotive   built by   General Motors' Electro-Motive Division   between 1954 and 1959. The GP9 succeeded the   GP7   as the second model of EMD's General Purpose (GP) line, [1]   incorporating a new sixteen- cylinder   engine which generated 1,750   horsepower   (1.30 MW). [2]   This locomotive type was offered both with and without control