Prototype: General Motors EMD class E8B six-axle B unit painted and lettered for Union Pacific Railroad.

Model: The locomotive is completely new tooling. It has a new powerful motor. 2 axles powered on each truck. Traction tires for high pulling power. The locomotive is finely detailed and has extensive, prototypical paintwork and lettering. It also has the Märklin system coupler front and rear. Length approximately 96 mm / 3-3/4".