Minneapolis Steam Engine Ready for Close-Up

1920 Minneapolis steam engine has star status

Dean Alling's 1920 20 hp Minneapolis
Dean Alling's 1920 20 hp Minneapolis, made by the Minneapolis Threshing Machine Co. When Dean (shown here at the wheel) was searching for a steam engine to buy, he wanted on ebuilt between 1914 and 1924 because of the boilers typical to that era. "This one has a butt strap boiler (which is a stronger boiler) and it also has an ASME code boiler. In California, you're limited to 100 pounds of pressure, unless it's a butt strap boiler."