Model: The locomotive has a digital decoder and extensive sound functions. It also has controlled high-efficiency propulsion with a flywheel, centrally mounted. 4 axles powered using cardan shafts. Traction tires. The triple headlights and one (1) white marker light (Swiss headlight / marker light code) change over with the direction of travel, will work in conventional operation, and can be controlled digitally. The light code can be switched to a red marker light when the locomotive is running "light". The headlights at Locomotive Ends 2 and 1 can be turned off separately in digital operation. When the headlights are off at both ends, then the double "A" light function is on as a red emergency stop light. The long-distance headlights, cab lighting, and engine room lighting can be controlled separately in digital operation. Warm white and red LEDs are used for the lighting. The locomotive has separately applied metal grab irons. The couplers can be replaced by end skirting included with the locomotive. Length over the buffers 17.1 cm / 6-3/4".

Prototype: Swiss Federal Railways (SBB) class Re 4/4 II electric locomotive as a class Re 421, used for the SBB Cargo freight area. Fire red / ultra marine blue basic paint scheme. Road number 421 378-1. The locomotive looks as it did around 2018.

This model can be found in an AC version in the Märklin H0 assortment under item number 37340.

High-efficiency propulsion as a centrally mounted motor.All 4 axles powered using cardan shafts.Digital decoder with extensive light and sound functions included.