Self propelled steam rotary X rot d # 9213 of the RhB from 1910 during the event "Steam snowplough rides - The Bernina Monster", organized by the Rhaetian Railway. The rotary has in total 6 steam cylinder, powering in pairs the large rotating assembly at the front with a diameter of 2.5 meter, and the two threeaxle driven bogies (System Meyer, 0-6-0+0-6-0).
Shoving is electric locomotive Ge 4/4 # 182 "Bernina Crocodile" from 1928.
