Coolspring Spotlight: Circa-1898-1904 Evans

This Evans gas engine at the Coolspring Power Museum appears to have a modified steam engine frame, and may have served at the Allegheny Arsenal.

| April/May 2019


Circa-1898-1904 Evans

Manufacturer: The Evans Mfg. Co., Butler, PA
Year: Circa 1898-1904
Serial No.: 411
Horsepower: 15 or 20
Owner: Clark Colby

Evan Evans first started a brass foundry in Chicora, Pennsylvania, in the 1880s. To profit from the recent discovery of oil in the surrounding area, he moved to nearby Butler, Pennsylvania, in 1894, and formed the Evans Manufacturing Co. Evans was building gas engines as early as 1898, and by 1903 advertised gas, gasoline and steam engines, as well as clutches, oil well supplies and general mechanical repairs. The company ceased trading about 1940.


Evans built several models of gas engines in single- and twin-cylinder versions. Sizes ranged from about 3 to 100 horsepower. Most were destined for oil-field use and were of a rugged, simple, 4-stroke design, utilizing either hot tube or spark plug ignition, manually adjusted volume governing, and a pushrod-operated exhaust valve.



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