The 1936 Fairbanks Morse Model 32D Stationary Engine is a classic piece of machinary that had 6 cylinders! Built by the Fairbanks Morse & Company, which original in 1832, when Thaddeus Fairbank first patented the flatform scale.
The Fairbanks Morse Model 3D Stationary Engines were built for service in power station, pumping stations and manufacturing plant, among other user. They were very reliable and required very little maintenance due to their all cast iron construction.
The engines were air started by using a 250 psi(17.2)bar. The operators would insert the bar into the holes in the fly wheel and give it a crank to ramp up the pressure in the cylinders.
Let us know if you have ever seen on of these ingine operating! We would love to hear about your experience.