Model: The locomotive has an NEM digital connector. It also has a 5-pole motor with a flywheel. 4 axles powered. 2 traction tires. The locomotive's body is constructed of plastic and the locomotive has separately applied handrails on the sides and ends. The headlights and marker lights are maintenance-free LED's. The locomotive has a close coupler mechanism. Length over the buffers 90 mm / 3-9/16".