1,750 HP In A Steel Box — The Ugly GM Appliance That Executed Steam

The American railroad industry faced financial ruin after World War II, but General Motors introduced a radical solution: the EMD GP9. This 100-ton diesel-electric locomotive replaced the artisanal steam era with brutal automotive standardization. Powered by the reliable 16-cylinder 567C two-stroke engine, the GP9 revolutionized rail economics and maintenance. This video breaks down the mechanical and electrical engineering that made the GP9 a legendary success still operating today.