How to add momentum effects to your Digital Command Control (DCC) locomotives By Jenny Freeland | June 20, 2013 | Last updated on November 7, 2022 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Having trouble viewing this video? Please visit our Video FAQ page Model Railroader associate editor Cody Grivno shows how to program momentum effects to your Digital Command Control locomotives.