Prototype: German Federal Railroad (DB) class 44 heavy freight steam locomotive with a type 2´2´T30 tub-style tender. Black/red basic paint scheme. Witte smoke deflectors, dual headlights, smoke box with central locking, without an inductive magnet. Locomotive road number 44 1143. The locomotive looks as it did around 1950. Model: 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. 5 axles powered. Traction tires. The locomotive and the tub-style tender are constructed mostly of metal. The 7226 smoke unit can be installed in the locomotive. The dual headlights change over with the direction of travel. They and the smoke unit that can be installed in the locomotive will work in conventional operation and can be controlled digitally. The cab lighting, firebox flickering, and flickering at the ash pan can also be controlled separately in digital operation. Maintenance-free warm white and red 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 an NEM pocket and a guide mechanism on the rear of the tender and on the front of the locomotive. The minimum radius for operation is 360 mm / 14-3/16". Protective sleeves for the piston rods, brake hoses, and imitation prototype couplers are included. Length over the buffers 26 cm / 10-1/4". Freight cars to go with this locomotive can be found in the current Märklin H0 assortment. This model can be found in a DC version in the Trix H0 assortment under item number 25745 exclusively for Trix Club members. This class 44 steam locomotive with a tub-style tender is being produced in 2023 as an anniversary model for the 30th anniversary of the Insider Club in a one-time series exclusively only for Insider members.