The InterMountain Railway Company HO Scale SD4O-2 locomotive has been manufactured with all new tooling. The finely molded parts have been designed to reproduce railroad specific details; such as different noses, radiator grilles, dynamic brake, headlight variations, and more!

The model features include:

- Prototype specific details to match the cab, the trucks, short hoods, Dynamic Brakes, the rear lights, etc, particular to each road name
- Etched metal details; wire grab irons
- Laser sharp paint and lettering
- Kadee Couplers

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