The HO Athearn EMD SW1500 Diesel Switcher Undecorated Project Loco is a 1:87 scale model replica of an Electro-Motive Diesel (EMD) switcher. This unassembled kit features a Bo-Bo wheel configuration, made of pressed steel, plastic, and diecast materials. It is designed with a black color scheme, perfect for transportation-themed model railroads. The locomotive also includes light function for added realism, and operates on a two-rail system using analog control. A great addition to any model railroads and trains collection, this Athearn brand switcher is sure to enhance the layout with its detailed design and features.