The Story of a Pump


| May/June 1971

  • 6 horse Stover

  • 3 horse Fairbanks Morse Z type
    Courtesy of Gerry Petitjean, Rt. 5, Box 6361, Issaquah, Washington 98027.
    Gerry Petitjean
  • A 1? Fairbanks Morse
    Engine is a 1? Fairbanks Morse at 500 rpm. The engine is in running condition.
  • A Witte 1? hp.

  • Fairbanks Morse
    Courtesy of Tom Shelnult, Rt. 4, Box 6125, Issaquah, Washington 98027.
    Tom Shelnult

  • 6 horse Stover
  • 3 horse Fairbanks Morse Z type
  • A 1? Fairbanks Morse
  • A Witte 1? hp.
  • Fairbanks Morse

Rt. 5, Box 6361 Issaquah, Washington 98027 AND Tom Shelnutt Rt. 4, Box 6125 Issaquah, Washington 98027

The economy of the Pacific North-west today is very diversified; varying from the aircraft industry to tourism. But the building of this economy was largely made possible by the rough and tumble logging industry Washington and Oregon were famous for during the first half of the twentieth century.

Logging, as it was known between 1910 and 1950 would have been impossible without the steam donkey, for only this machine could yard the logs to the rail spur as fast as they could be cut. In order to supply the bigger and more powerful donkeys with water many logging companies used heavy Bull Dog piston pumps to pump from the nearest stream or lake to the yarding site. These were usually powered by a big six horse Fairbanks Morse like the one I have.

The engine on the left is a 6 horse Stover. The Flywheels are 40' with a 51/2 bore with a 10' stroke. It is rated at 340 RPM.



The engine on the right is a 6 horse Fairbanks Morse Z type. It has a 6' bore with about a 6' stroke with 30' flywheels. The picture shows about a 15 year gap in gas engine design in size and efficiency. The Stover I think was built in 1901 and the Fairbanks Morse was built around 1917. Both engines are in operating order. If any one has any information on the Stover please let me know.

The engine in the background is a 3 horse Fairbanks Morse Z type. It is driving a 3 cylinder Bull Dog Pump. The second engine has no name plate so I do not know the make but it is about 2 horse. If anyone can give me the name please do.



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