HO Scale Plastic Model Steam Locomotive from Marklin --> Long sold out and extremely hard to find. Prototype: Typical gantry crane, mainly used at industrial, harbor and other freight loading/unloading locations. Model: The gantry crane comes with digital operating functions. It has a plastic base and superstructure. There is also a second base plate included for extending the crane's running rails. Power supply comes through the base plate. The mechanical functions are powered by miniature motors. The crane bridge can be driven forwards and backwards, the crane cab can move back and forth smoothly on the crane tracks, and the crane cab can be turned 360 degrees. The metal hook can be raised and lowered by means of a pulley. Work lights on the crane boom can be turned on and off. There are connections for an electro-magnet and an electro-magnetic shovel. The crane's functions can be controlled with the 6021 Control Unit, Mobile Stations, and Central Stations. Base plate dimensions for each base plate 14-3/16" x 14-3/16" Height approximately 10-5/8". Conventional and digital operation are both possible. Model is unused and new in the box.