The Sleds for the German expedition to Greenland in front of the yard in Santahamina ready for delivery in March 1930. The wheels were only fitted temporarily in order to facilitate movement. The Skis were of hickory wood. Snowmobile maximum length 5.5 m, skis 2m. The engine was an air-cooled rotary Siemens Sh 12-112 hp. The main tank held 200L, the top tank 15L and the oil tank 16 liters. Enough for 6.5 hours of driving. The Snowmobiles transported heavy loads in difficult conditions.