Based on the German State Railroad Company (DRG), Bavarian Group Administration, class Gt 2 x 4/4 heavy freight locomotive, former Bavarian class. This Mallet design articulated locomotive, often called the Bavarian Big Boy, featured high and low pressure compound cylinder groups. This model is patterned after the second production run starting in 1923._
 
This Z Scale replica has an articulated frame to enable it to negotiate sharp model curves. All wheels are powered and the loco features a metal body with authentic paint and lettering and directional LED headlights. Minimum radius: 5-11/16" 14.5cm.