Model: With digital decoder and adjustable high-efficiency propulsion. 2 axles powered. 4 traction tires. Headlights and lighted number boards digitally controlled. Built-in sound effects generator with diesel locomotive operating sounds, horn, and dynamic brake that can be turned on digitally with the 6021 Control Unit. The headlights and the operating sounds will work in conventional operation. Connections for the headlight and number board lights on a nonpowered unit coupled to this unit. Fixed drawbar between both locomotive units. Coupler hooks with preuncoupler, can be replaced with standard coupler pockets included with this locomotive. Total length 35.0 cm / 13-3/4*.