| May/June 1960

  • Jackson Lumber Harvester

  • Minnesota Giant 16 hp engine
    Here is my renewal for 1960. I don't want to miss any copy as we get a lot of good out of them. Some strange make seems to turn up each time and that adds even more interest. Pictured is the Minnesota Giant 16 hp built at Stillwater, Minnesota, and owned

  • Jackson Lumber Harvester
  • Minnesota Giant 16 hp engine

Route 4, Stillwater, Minnesota

Lloyd Larson's 'Jackson Lumber Harvester' is shown in the picture sawing lumber at the Lake Region Pioneer Thresherman's Association Show at Dalton, Minnesota, on September 18-20, 1959. The sawmill is powered by Johnson's 22H.P. Special Avery Under mounted Steamer, formerly owned and rebuilt by Clinton D. Jackson, inventor and founder of the world-famous 'Jackson Lumber Harvester'. Although the 'Lumber Harvester' is seemingly a small mill, it took all the horse power any of these steam giants could 'dish out' in stride, without the sign of a rattle or groan of any kind. It converted this rip-tide of power into thousands of feet of accurately cut lumber to the astonishment of many old-timer sawmill men.

The unique feature of these Jackson mills is that the sawyer rides the carriage and goes back and forth with the log as the boards drop off in clock-like precision, maintaining quality, accuracy and production in proportion to the power available .... all this in a trailer sawmill! (One old timer remarked, 'It's jeweled like a watch and runs like a new sewing machine.')

It has not only precision bearings on the mandrel, as many up-to-date mills do, but a total of 74 ball and roller bearings. The main frame is fabricated by the electric arc process into a single homogeneous mass while it is being held in a steel jig embedded in concrete. It is so held until entirely cooled. This, together with the many precision bearings and the strategic design used by Jackson, is the key to its remarkable success.

Some of the shows in 1959 at which this remarkable mill proved its amazing performance were:

Wisconsin State Fair, Milwaukee,
Wisconsin, Aug. 18-24, 1959, Diesel powered 
(Wilson Wright, Operator)


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