The InterMountain Railway Company N Scale SD40-2 Locomotive has finely molded and etched metal detail parts that have been designed to reproduce railroad specific details. Sound units come equipped with an all new ESU LokSound 5 DCC Micro "Slide-In" sound decoder which allows for road name specific prototype flashing ditch lights. The models are also offered as standard DC.

All are Ready-to-Run. Some details may be included for installation by the modeler.
DC models are equipped with a DC only circuit board and are DCC Ready.
Sound units are equipped with an ESU LokSound Select Micro-Slide-In DCC decoder.