The Spectrum HO 1:87 Pennsylvania Railroad K-4 Pacific 4-6-2 DC Analog Tender 5475 is a pre-built model replica of a steam locomotive from the Pennsylvania Railroad. This 1:87 scale locomotive features a black color scheme, 4-6-2 wheel configuration, and comes with a tender car. The control system is analog, suitable for model train enthusiasts aged 17 years and up who enjoy collecting and running trains on a 2-rail-2-conductor rail system, this ready-to-go locomotive is perfect for adding to a model railroads and trains collect