The Walthers Mainline 910-20500 HO Louisville Nashville EMD GP9 Locomotive is a ready-to-go pre-built model depicting the iconic EMD GP-9 diesel locomotive in gray color. This 1:87 scale replica features DCC and sound functions, making it a highly detailed and realistic addition to any model train collection. With its high-grade C-9 factory new condition and detailed features such as light and sound functions, this locomotive is sure to provide hours of enjoyment for train enthusiasts.