![]() ![]() Hydra-matic, the industry’s first completely automatic shift transmission, is introduced on Oldsmobile’s 1940 models.The GM pavilion is a highlight of the New York World’s Fair, featuring the Futurama exhibit, which depicts America in 1960.It eliminates running boards and features unique design elements, such as concealed headlamps, flush door handles, electrically operated windows and push-button door handles. The Buick Y-Job concept car is unveiled.Sit-down strikes at GM assembly plants in Flint, MI, cripple the company.Fisher Body introduces dual windshield wipers.The first Parade of Progress goes on a nationwide tour.GM introduces the Unisteel body, which is formed by welding the steel inner and outer panels into a permanent, shock-resistant structure.opens a new plant in LaGrange, IL, to mass-produce diesel locomotives. A two-cycle engine developed by GM engineers propels America’s first diesel-powered streamlined train, the Burlington Zephyr.Fisher Body’s revolutionary “turret top” debuts.Individual front-wheel suspension, called Knee-Action, is developed.No-draft ventilation is introduced in all GM cars.Assembly line demonstrations at GM’s pavilion wow crowds at the Century of Progress world’s fair in Chicago.Frigidaire produces the first room air conditioner.Production changeover is accomplished in 3 weeks by using sequence lines. Chevrolet switches from a four- to a six-cylinder engine.GM opens India’s first automobile assembly plant.Cadillac introduces a clashless synchromesh transmission. ![]()
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