Image courtesy of Brian Szafranski
The Northwest Thresher Company was located in Stillwater, Minnesota and was know to have manufactured steam traction engines, portable steam engines (ca 1880's), the Northwest separator, and water wagons. The steam traction engines were produced in the return flue and locomotive types, and with single or compound cylinders.
Information Sources:
- Norbeck, Jack, Encyclopedia of American Steam Traction Engines, Crestline Publishing Inc, Glen Ellyn, Illinois, Pg. 183
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Steam Power on the American Farm by Reynold M. Wik, 1953 page 253
- The Steam Tractor Encyclopedia by John F. Spalding & Robert T. Rhode, 2011 pages 260-268
- The Northwest Plowing, Grading and Heavy Traction Engine: , 1907