This is the first InterMountain Railway release of the Southern Pacific AC-12 Steam Locomotive in N scale. The detail features are eye-catching, including cab interior. All drivers are powered, and side/main rods operate. The smooth drive includes traction tires for pulling power. This version is painted black with graphite smoke box, and silver pilot. The large ‘SOUTHERN PACIFIC’ lettering is on the tender sides. The model is equipped with Micro-Trains® couplers.