The Proto 2000 23038 HO Scale AT&SF EMD GP7 Phase II Diesel Locomotive #2821 is a detailed replica of the Santa Fe locomotive, featuring a blue color scheme and a Bo-Bo wheel configuration. This ready-to-go model is designed for HO scale enthusiasts aged 17 years and up, with features such as light function and painted details. Manufactured in 2000 by PROTO 2000, this diesel locomotive is a great addition to any model railroad collection, representing the transportation theme with its accurate design and scale.