The Atlas Gold 40005456 is an N - scale model train of the GE B23 - 7 Minnesota Commercial locomotive #43. It features red and white ditch lights and comes with DCC and sound capabilities. Please note that the picture might show a different road number. General Electric's 'Dash 7' locomotive line replaced the older 'Universal - Series' from the 60s and early 70s. It offered better fuel efficiency, more tractive effort, and higher reliability. The B23 - 7 directly replaced the 2,250HP U23B model. Production started in September 1977 for Conrail and continued until 1984, with 535 units built. Conrail was the biggest buyer, with 141 units in its fleet. The B23 - 7 had some distinct features. The long hood stepped out at the exhaust stack to fit a relocated oil cooler, and its frame was 2 feet longer than the U23B's. It usually came with FB - 2 style trucks, but some railroads used 'trade - in' trucks, so you might find AAR type B and Blomberg trucks on some models. The six power assembly doors near the center of the long hood indicate it's powered by a 12 - cylinder GE FDL engine. Key features of this model include directional lighting, golden - white LEDs, dual brass flywheels, a low - friction mechanism, accurate painting and lettering, and factory - installed AccuMate® magnetic knuckle couplers. For the gold locomotives, the DCC operation supports all programming modes, includes RailCom and RailComPlus with various speed steps and addressing options, has flexible function key mapping, and 6 function outputs that can be individually mapped. It also follows all NMRA DCC standards. The ESU LokSound offers over 20 sound effects like engine start - up and shutdown, prime mover sounds through all eight notches, bell, air horn, air compressor, and dynamic brakes. There are up to 16 user - selectable horns, 2 user - selectable bells, and 2 user - selectable synchronized brake squeals. It even has manual and automatic notching modes that you can switch between for a more realistic experience.

Using this N - scale Atlas Gold model train is a breeze. First, make sure your DCC system is set up according to the manufacturer's instructions. Connect the locomotive to the track and power on the system. You can control the speed and direction using the DCC controller. The locomotive supports different programming modes, so you can customize its functions to your liking. When it comes to the sound features, you can select from a variety of sound effects, horns, and bells to add a realistic touch to your train operation. As for maintenance, keep the track clean to ensure smooth running. Regularly check the wheels and couplers for any dirt or debris. If you notice any issues with the DCC or sound functionality, refer to the user manual or contact customer support. Avoid exposing the locomotive to extreme temperatures or humidity, as this can damage the electronic components. With proper use and care, your Atlas Gold model train will provide you with years of enjoyment.