

The first purchaser of the H15-44 was Monon, who quickly bought both the demonstrator and the second unit built in December 1947. Three units were then built for Rio Grande before additional demonstrators were produced later in 1948.
Before production ended in mid-1949, a total of 35 units had been built with Jersey Central owning the most units at 14 total. Dual mode DC and DCC operation.Decoder follows all NMRA DCC standards and recommended practices. Decoder supports all DCC programming modes. Flexible mapping of unction keys F0 to F31. Over 20 sound effects available including engine start-up and shutdown, prime mover sounds through all eight notches, bell, air horn, compressor and more.