This Williams DA107 locomotive is a must-have for Union Pacific fans and model train enthusiasts. Featuring twin motors and a diecast construction, this O-gauge locomotive is a powerful addition to any layout. The locomotive comes with a box and horn, adding to the authenticity of this collectible piece.The Williams DA107 Union Pacific Dash-8 Diesel is perfect for those aged 17 years and up who appreciate the intricacies of model railroads and trains. Add it to your collection or use it to create a realistic railway scene. This locomotive is a great way to enhance your model railroad experience.