The HO Athearn 2172 RDC-1 Powered New Haven is a vintage model diesel locomotive in 1:87 scale, featuring a silver color and a Bo-Bo wheel configuration. This pre-built locomotive is ready to go for collectors and hobbyists, with an analog control system and a two-rail system for operation. Made of plastic and weighing 1 pound, this classic piece of transportation-themed model railroading history is a must-have for enthusiasts of the New Haven Railroad.