The Southern Pacific 4449 Daylight HO 4-8-4 GS4 Diecast Locomotive by Bachmann 50201 is a detailed replica of a steam locomotive used by the Southern Pacific railroad. This model features a 4-8-4 wheel configuration, made of diecast material, and equipped with a digital control system for realistic operation. With a scale of HO, this locomotive is perfect for model train enthusiasts looking to expand their collection with a high-quality and accurately detailed piece.