Model: Metal locomotive frame and body. The loco has a built-in digital decoder and sound generator for operation with mfx and DCC. It also has a motor with a flywheel, 4 axles powered, and traction tires. The headlights and marker lights change over with the direction of travel. Warm-white LEDs are used, and there is cab lighting. All of the lighting can be controlled digitally. The loco has an NEM coupler pocket. Length over buffers 119 mm / 4-11/16". Spare parts for our articles can be found here in our spare parts search.