The MTH 20-20263-1 Southern (NS Heritage) ES44 Diesel LN/Box is a pre-built model of a green Southern Railroad diesel locomotive in 1:48 scale. Manufactured in 2014, this AC-powered locomotive features digital control systems, smoke and light functions, MTH DCS, and sound capabilities. Perfect for model railroaders aged 17 years and up, this locomotive is a part of the Three-Rail System and is a great addition to any train collection. Made of plastic and diecast materials, this model captures the essence of the NS Heritage railroad with its Southern roadname.