The 3,000 hp GP40 is a standard bearer of freight motive power in the second half of the 20th century. Introduced by EMD in 1968, the model sold 1,243 units with its successor GP40-2 adding ...

Its all-EMD roster spanned from the SW1 in 1941 to the GP40-2 in 1979. In comparison, the Clinchfield Railroad was almost all-EMD, excepting seven General Electric U33C units that only lasted a ...