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May 1939
- The result, dubbed " Hydra-Matic Drive ", went into production in May 1939 for the 1940 model year.
en.wikipedia.org/wiki/Hydramatic
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Oldsmobile offered the AST from 1937 to 1939, while Buick offered it only in 1938. The HydraMatic was designed to combine the hydraulic operation of a planetary gearbox (allowing much shifting to be automated) with a fluid coupling instead of a friction clutch, eliminating the need for de-clutching.
May 16, 2014 · But it took decades of development and a number of missteps and half-steps before the first mass-produced fully automatic transmission appeared – Oldsmobile’s Hydra-Matic, which entered production 75 years ago this month.
- Daniel Strohl
Jun 23, 2021 · In October of 1939 the full Hydra-Matic was introduced as a $57 option on the 1940 Oldsmobile, and Cadillac followed in 1941. Versions of the Hydra-Matic saw action in U.S. fighting vehicles in World War II, including the M5 Stuart and M24 Chafee tanks.
May 29, 2010 · Oldsmobile received the first production Hydra-Matic transmissions (known internally as Model 180) that October. When the 1940 Oldsmobiles debuted late that year, Hydra-Matic was optional across the line at a low introductory price of $57 — actually $19 less than the 1939 price of the Automatic Safety Transmission.
Jan 30, 2019 · General Motors got a sizable jump on the industry in 1940 with the introduction of Hydra-Matic Drive, the first practical fully automatic transmission. Developed by GM engineering wizard Earl Thompson and crew, the feature was adopted by Oldsmobile in 1940, Cadillac in 1941, and Pontiac in 1948.
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Apr 6, 2021 · The slushboxification of America began in the 1940 model year, when General Motors introduced the revolutionary new Hydra-Matic four-speed automatic transmission in Oldsmobile models (be sure...
May 22, 2010 · Hydra-Matic was developed by General Motors and introduced on Oldsmobiles for the 1940 model year. Considered the first mass-produced fully automatic transmission , Hydra-Matic was called by...
