The largest in International Harvester’s line of Mogul stationary engines is the 50 horsepower model. This engine is a horizontal, two-cylinder opposed engine that was designed to start on gasoline and switch to burn kerosene.
The 50 horsepower, “Giant” engine is a stationary variation of the same engine in the 45 mogul and then 30-60 Mogul tractors.
Two different styles of the 50 horsepower engine exist. The difference is in how the valves operate. One that has a rocker arm that powers the exhaust valve and an atmospheric intake valve, (based on the 45 Mogul tractor),; the other has rocker arms on both the intake and exhaust valves, (based on the 30-60 Mogul tractor).
The engine use igniters with make and brake ignition. The engine starts with a battery and then can be switched over to a magneto. Just like the Mogul tractors, some of these engines were switched over to spark plug ignition with a high tension magneto.
International Harvester built these engines from 1911 to 1917 with relatively few built.
Today less than a handful of these 50 mogul stationary engines in both variations still exist.
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