Chrysler PowerFlite transmission Chrysler PowerFlite transmission PowerFlite is a two-speed automatic transmission engineered and produced by the Chrysler Corporation and used in their passenger cars from 1954 to 1961. Production began in late 1953; despite the launch of Chrysler's three-speed TorqueFlite automatic in 1956, the simple and durable PowerFlite remained available on Plymouths and Dodges through the 1961 model year, after which it was discontinued. Chrysler was the last of Detroit's Big Three automakers to introduce a fully automatic transmission, some 14 years after General Motors had introduced Oldsmobile's Hydramatic automatic transmission and nearly three years after Ford's Ford-O-Matic. Packard's Ultramatic debuted in
History of Chrysler the last three also carried Pegasus micro meteoroid detection satellites. All flights were successful. Between February 1966 and July 1975, NASA launched nine Saturn IBs on two suborbital flights and seven orbital flights (five of which were manned); all flights were successful. Starting in the 1960 model year, Chrysler built all their passenger cars with Unibody (unit-body or monocoque) construction, except the Imperials which retained body-on-frame construction until 1967. Chrysler thus became the only one of the Big Three American automakers (General Motors Corporation, Ford Motor Company, and Chrysler) to offer unibody construction on the vast majority of their product