The locomotive has an mfx+ digital decoder and extensive sound functions. It also has controlled, high-efficiency propulsion with a flywheel, mounted in the boiler. Four axles powered. Traction tires. The locomotive and tender are constructed mostly of metal. The locomotive has a factory-installed smoke unit with dynamic smoke exhaust, which varies with the speed. Dual headlights change over with the direction of travel, will work in conventional operation, and can be controlled digitally. Cab lighting and firebox flickering can be controlled separately in digital operation. Maintenance-free, warm white LEDs are used for the lighting. There is a close coupling with a guide mechanism between the locomotive and tender. There is a close coupler with a guide mechanism in an NEM pocket on the back of the tender. The cover on the coalbunker can be opened. Real scale-sized coal is used for the bunker. The locomotive can be run without limitation on the 437.5 mm / 17-1/4" radius (Radius 2) if attention is paid to the clearance gauge. The locomotive can also be run on the 360 mm / 14-3/16" radius (Radius 1) if the clearance gauge is ignored. Cutouts in the side streamlining for sharper curves can be closed with fill-in pieces included for the purpose. A figure of an engineer, two firemen, brake hoses, and imitation prototype couplers are also included. Length over the buffers 30.7 cm / 12-1/8". The passenger car set to go with this locomotive is also being offered under item number 42265 exclusively only for Insider members in 2022. This model can be found in a DC version in the Trix H0 assortment under item number 25060 exclusively for Trix Club members.