While almost all of the class 151 units fell into the traffic red paint pot in succession starting in 1997, the lettering on the sides changed quite a bit more frequently according to the DB freight group's naming practices. At times, all were represented from DB Cargo to Railion, and Railion Logistics until they went back to the simple DB emblem.

Prototype: German Railroad, Inc. (DB AG) DB Cargo class 151 heavy freight locomotive. Traffic red paint scheme. Road number 151 035-3. The locomotive looks as it did in Era VI around 2014.
Model: The locomotive is completely new tooling. The running gear with the main frame and locomotive body are constructed of die-cast zinc. The locomotive has many separately applied parts of centrifugally cast brass. It also has an mfx digital decoder with up to 32 functions, a built-in buffer capacitor with adjustable parameters, controlled high efficiency propulsion, and extensive sound functions such as running sounds, vent blowers, locomotive whistle, other announcements, and warnings. The locomotive can be operated with AC, DC, Märklin Digital, and DCC. It has powerful motors with propulsion to all axles. The current buffers have adjustable parameters. There are pantographs that can be raised and lowered with servomotors in digital operation. The white and red LED headlights / marker lights change over with the direction of travel, will work in conventional operation, and can be controlled digitally. The engine room lighting can be controlled. There is white LED lighting in the cabs that changes over with the direction of travel as well as approaching train lamps, which change over with the direction of travel.The cab doors can be opened, there are interior details, and one cab has a figure of a locomotive engineer. There is also engineer control desk lighting. The locomotive has metal grab irons and many other separately applied parts such as signs, windshield wipers, whistle, and much more. The buffer beams have sprung buffers and separately applied brake lines. The locomotive has a factory-installed, remote controlled Telex coupler on the rear and a prototype coupler on the front. Each of the couplers can be replaced by the other type of coupler (included with the locomotive).Minimum radius for operation is 1,020 mm / 40-3/16. Length over the buffers 60.9 cm / 24.Weight approximately 6.9 kilograms / 15 pounds 3 ounces.