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Semi-auto Tranny


Subdeacon Joe

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The Hydramatic transmission in early ‘50s GM cars was a $57.00 option. In today’s equivalent dollars that would be just under $1,200.00!

 

It was originally available in 1939  in the 1940 Oldsmobile.

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Pretty Cool. I happen to like automotive oddities though.

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Most automatic transmissions in those days had a secondary pump in the rear of the unit.  You could push start the car by getting it up to around 20mph.

 

The Hydramatic had a first gear ratio of 100:1.  Available in light trucks, it was one stump pulling son of a gun!

 

One of my first adventures in automotive repair was as a ten year old!  My dad and my uncle put me under an old DeSoto to pull all the bolts out of the transmission.  It was a fluid drive!!  That was 1963.

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Fluid Drive is still used today in forklift trucks and other types of equipment with “shuttle” capabilities.

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I had one of these for a few days that I borrowed while my car was being fixed. This was in 1970

 

 

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