The Hydramatic automatic transmission was developed by both General Motors' Cadillac and Oldsmobile divisions. Introduced in 1939 for the 1940 model year vehicles, the Hydramatic was the first mass-produced fully automatic transmission developed for passenger automobile use.

Please subscribe to our YouTube channel, and visit our site:
https://www.uniquecarsandparts.com.au

Oldsmobile Car Reviews:
https://www.uniquecarsandparts.com.au...

Oldsmobile Car Brochures:
https://www.uniquecarsandparts.com.au...

General Motors Color Codes A-L:
https://www.uniquecarsandparts.com.au...

General Motors Color Codes M-Z:
https://www.uniquecarsandparts.com.au...

Car Shows and Events:
https://www.uniquecarsandparts.com.au...

Buy and Sell your Car of Parts for FREE:
https://www.uniquecarsandparts.com.au...

Support us on Patreon:
  / uniquecars  

Unique Cars and Parts - an absolutely free service since 2001