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  1. The first real automatic transmission, referring to the first transmission to not use any kind of clutch at all, was the famous Hydra-Matic four-speed automatic. The Hydra-Matic transmission was invented in 1939 by General Motors, and was first included as an option in several models under their Oldsmobile brand.

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  2. The adoption of planetary gearsets was a significant advance towards the modern automatic transmission. One of the first transmissions to use this design was the manual transmission fitted to the 1901–1904 Wilson-Pilcher automobile. [19] This transmission was built in the United Kingdom and used two epicyclic gears to provide four gear ratios.

  3. Dec 2, 2022 · History of the automatic transmission. According to Tech Historian, the automatic transmission was first developed in the early 1900s by Karl Benz, who also invented the modern automobile. However, General Motors Corporation employees Edward A. Deeds and Charles F. Kettering developed the first automatic transmission widely employed in ...

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  4. Here we offer a brief introduction and overview of the history of the automatic transmission. The First Automatic Transmissions. The first automatic transmission was invented in 1921 by a Canadian steam engineer, Alfred Horner Munro. Munro designed his device to use compressed air rather than hydraulic fluid so it lacked power and never became ...

  5. May 29, 2010 · GM’s original Hydra-Matic transmission was one of the most important innovations in the history of the automobile. It wasn’t the first automatic transmission, but it was the first one that really worked and its resounding commercial success paved the way for every subsequent auto-shifter. This week, we take a look at the origins of the ...

  6. Mar 30, 2021 · 1930’s to 1960’s: 2-Speeds, 3-Speeds & 4-Speeds. In 1939 Cadillac and Oldsmobile became the first manufacturers to utilize a fully automatic transmission in a production vehicle; they named it the Hydra-matic, which would later be named the Turbo Hydra-matic. It was developed for rear-wheel-drive vehicles and had four Forward speeds plus ...

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  8. Jul 7, 2023 · The roots of automatic transmissions date back to the early 20th century. We explore the pioneering designs that aimed to reduce the effort required in shifting gears. From the friction-based systems of the 1920s to the groundbreaking hydraulic designs of the 1940s, each innovation paved the way for the automatic transmissions we rely on today.

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