Kentucky Coal Heritage Mining Equipment from 1940's
The action is continuous and automatic, and operates smoothly at a speed of 40 to 50 strokes per minutes. The shovel is 47 in. wide, carries approximately 300 to 400 lb. of coal at a stroke with a capacity in loose material of 6 to 7 tons per minute. Underground an average of 3 tons per minute of actual loading time is maintained.