The Rise and Fall of the CAT 3406: How CAT Lost the Highway

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Welcome to Vintage American Machines — the ultimate destination for diesel history lovers. From thunderous two-strokes to unstoppable inline monsters, we uncover the forgotten giants that powered America’s farms, freight lines, warships, and workhorses. Each video dives into the engineering, legacy, and raw sound of vintage diesel engines used in trucking, farming, marine, and military applications. Whether it's a Cold War-era military engine or a classic Detroit Diesel 2-stroke, we bring these mechanical legends back to life with storytelling and sound. Subscribe to rediscover the machines that moved America — one cylinder at a time.