Model: All axles powered. 2 traction tires. The locomotive has a high-efficiency electronic circuit for operation with DC power, AC power or Märklin Digital and Delta. The headlights will work in conventional operation (and Delta) and can be controlled digitally. The diesel locomotive operation sounds, a horn, as well as the acceleration and braking delay can be controlled digitally with the 6021 Control Unit or Märklin Systems. The locomotive has doors that can be opened. Minimum radius for operation 1,020 mm / 40-3/16". Length over the buffers 38.4 cm / 15-1/8".