The Athearn Genesis ATHG31792 represents a high - quality HO scale model of the GE AC4400CW locomotive, specifically Union Pacific #6812, equipped with DCC and sound features. Union Pacific has been a pioneer in locomotive technology. When GE introduced the AC version of its DC Dash 9 locomotives in 1994, UP ordered 3 units for testing. Impressed with the results, UP placed a larger order of 149 units in 1996. Through mergers, UP became a major owner of AC4400s. The model showcases UP - specific features like a large plow, low - mount number boards, and pilot - mounted ditch lights. The AC4400CW series locomotive model comes with numerous detailed features. It uses Quick Plug™ plug - and - play DCC technology with a 21 - pin NEM connector. The model is accurately scaled from prototype resources and has lifelike LED lighting. It also has etched walkway steps, animated roller bearing caps, and flexible rubber hoses. The sound - equipped models feature an onboard DCC decoder with SoundTraxx Tsunami2 sound, dual cube speakers, and can operate in both DC and DCC modes. Introduced in 1993 and built until 2004, the AC4400CW is a key part of modern railroading. Athearn has recreated dozens of variations of this locomotive through in - depth research and precision tooling. The new Genesis AC4400CW is Athearn's new flagship model. Specifications include 6 axles, DCC - equipped, suitable for the eras from 1991 - 2009 and 2010 - present, LED lighting, and a Tsunami2 sound system.

Using your Athearn Genesis GE AC4400CW Union Pacific #6812 model is a breeze. If you're using DCC, connect it to your DCC system using the 21 - pin NEM connector and the Quick Plug™ technology. The sound function will come alive with the onboard DCC decoder and SoundTraxx Tsunami2 sound. In DC mode, you can still enjoy basic functions like engine, horn, and bell sounds. When it comes to running it on the track, the all - wheel drive with precision gears ensures smooth and quiet operation. Just place it on any popular brand of track, as the wheels with RP25 contours are compatible. For storage, the packaging is designed to securely hold the model. To keep your model in top shape, avoid rough handling. If it gets dirty, use a soft, dry cloth to gently clean the exterior. Don't submerge the model in water as it can damage the electrical components. Check the couplers regularly to make sure they're working properly. Also, keep an eye on the rubber hoses; if they start to look worn, you might need to replace them. When programming the model in DCC mode, refer to the CV chart included in the box for making changes to various functions.