Model: The locomotive comes with an mfx digital decoder and controlled high-efficiency propulsion. The locomotive has a special can motor with a flywheel. 2 axles and a jackshaft powered. 2 traction tires. Articulated frame enabling the unit to negotiate sharp curves, pivoting trucks mounted under the rigid hood areas. The headlights will work in conventional operation and can be controlled digitally. The acceleration and braking delay can be controlled digitally with a 6021 Control Unit 6021 or with Märklin Systems. Length over the buffers 14.3 cm / 5-3/4.