Yarders early steam driven. The railroad, as "dummylines" and felled trees or dragged known to travel on railways to "skidded" was where they are then loaded into rail cars. Was the most popular brand: WILLAMETTE, Skagit, Washington, Tyee, or Lidgerwood and Clyde Duluth, Minnesota created by the Clyde Ironworks.
Although these machines appear to be large and heavy, they are the true workhorses. Clyde was able to retrieve logs from four different points at the same time. Each cable, or lead, the length was about 1000 feet. Once connected to friends and getting the clearance for the signal sent is 1000 feet per minute, a speed they could not be skidded (1MPH = 88 = FPM 26.8 meters per minute), this is about 10 miles. It was extremely dangerous working conditions in these machines.
It will come down to is lifted, it is a separate machine called a loader, tongs onto rail cars or motor trucks or ankle - will come loaded with explosive component. Two tweezers as they are sometimes called duplexes loader control the steam engines. A yarder and loader is associated with a single large machine.
In 1950, steam engines and diesel engines were replaced by the surplus tank chassis, which is a frame for the new yarders, and that was lost over the rail mounting.
