Model: The locomotive body is new tooling and is constructed of bronze. The locomotive has a motor with a bell-shaped armature. All driving axles powered. The wheels and valve gear are dark plated. The drive rods, side rods, and valve gear are finely detailed and fully functional. The brakes, sand pipes, rail clearance devices, and inductive magnets on both sides are modelled. The buffer plates are enlarged. The paint scheme and lettering are prototypical. The window frames on the tender are imprinted. Length over the buffers approximately 109 mm / 4-5/16".Prototype: German Federal Railroad (DB) class 50 heavy freight locomotive with a standard design type 2´2´T26 tender in a rebuilt form as a cab tender. Version with 3 boiler domes and Witte smoke deflectors. Used for heavy freight trains. The locomotive looks as it did in Era III. Road number 50 1019.