Model: The locomotive is new tooling. The locomotive frame and body are constructed of metal. The locomotive has a built-in digital decoder and sound generator for operation with the formats DCC and Selectrix. It also has a motor with a flywheel. 4 axles powered. Traction tires. The headlights and marker lights change over with the direction of travel. Warm white LEDs are used for the lighting. The headlights, marker lights, and cab lighting can be controlled digitally. The locomotive has NEM coupler pockets. Length over the buffers 119 mm / 4-11/16".