In this product review video, Model Railroader Senior Editor Cody Grivno takes a deep dive into the WalthersProto HO scale (1:87.1) EMD NW2 diesel locomotive . The review sample is decorated as Union Pacific No. The review sample, equipped with an ESU LokSound V5 sound decoder , showcases functions like the diesel engine start-up, headlight, bell, horn, and coupler crash . K. Walthers, Inc., EMD NW2 is available in various paint schemes, including Santa Fe and New York Central, as well as an undecorated model . DC models with a speaker retail for $219.98 , and versions with the ESU LokSound decoder sell for $319.98 .