The prototype of these locomotives was New York Central 1525, produced along with a line of boxcab switcher locomotives, by a consortium of ALCO, General Electric, Ingersoll Rand and Electric Storage Battery.
The prototype of these locomotives was New York Central 1525 delivered in February 1928. After succesful testing a series of 40 locomotives with boxcab carbodies were built along with the line of the ALCO boxcabs by a consortium of ALCO, General Electric, Ingersoll Rand and Electric Storage Battery.