Why the Biggest Bulldozer Ever Built Had No Successor
Автор: Thirty Minutes History
Загружено: 2025-12-30
Просмотров: 2916
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In the 1980s, Komatsu built a bulldozer so large it forced the entire earthmoving industry to rethink its limits. The D575A wasn’t designed to compete within existing categories—it was built to exceed them. With more than 1,100 horsepower and an operating weight over 150 tons, it redefined what a production bulldozer could be and quietly pressured Caterpillar to respond in its own way.
This video explores why Komatsu built the D575A, how it compared to Caterpillar’s D11, where it worked, and why machines like this ultimately marked the end—not the future—of extreme size escalation in heavy equipment.
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