Prototype: Class 151 heavy freight locomotive painted and lettered for SRI Rail Invest GmbH (SRI). The locomotive looks as it did around 2014.
Model: The locomotive has a built-in digital decoder and a sound generator for operation with DCC, Selectrix, and Selectrix 2. The motor has a flywheel. 4 axles powered. Traction tires. The triple headlights and dual red marker lights change over with the direction of travel. The locomotive has a close coupler mechanism. All of the functions can also be controlled in the SX2 digital format. Length over the buffers 122 mm / 4-13/16".