Prototype: German Federal Railroad (DB) class 335 (Köf III) diesel hydraulic switch engine. Version with front vents, radio control, and automatic couplers for switching.

Model: The locomotive is constructed of metal with separately applied plastic parts. 2 axles powered. The locomotive has an mfx digital decoder and extensive sound functions. It also has controlled high-efficiency propulsion. The locomotive can be operated with AC power, DC power, Märklin Digital, and DCC. The headlights will work in conventional operation and can be controlled digitally. Minimum radius for operation 600 mm / 23-5/8". Length over the buffers 25.2 cm / 9-7/8".