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Author Topic: Triple range automatic transmisson  (Read 1567 times)

Offline CrabbyMilton

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Triple range automatic transmisson
« on: July 09, 2020, 07:19:20 AM »
What exactly is a triple range automatic transmission? I was looking at some late 1950's FORD school bus chassis brochures. One of the options was an ALLISON tranny called TRANSMATIC(I think) that stated it was a triple range type.
Does this mean it had selectable shift points or something else?
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Offline luvrbus

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Re: Triple range automatic transmisson
« Reply #1 on: July 09, 2020, 07:53:36 AM »
Quote from: CrabbyMilton on July 09, 2020, 07:19:20 AM
What exactly is a triple range automatic transmission? I was looking at some late 1950's FORD school bus chassis brochures. One of the options was an ALLISON tranny called TRANSMATIC(I think) that stated it was a triple range type.
Does this mean it had selectable shift points or something else?


It was a 3 speed transmission with a Allison Torque Converter drive on the rear,there is a well driller here that has one mounted to a 3-71
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Offline CrabbyMilton

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Re: Triple range automatic transmisson
« Reply #2 on: July 09, 2020, 09:23:34 AM »
The specs I saw stated that it was a 6 speed triple range but thanks anyway.
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Offline luvrbus

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Re: Triple range automatic transmisson
« Reply #3 on: July 09, 2020, 12:56:41 PM »
Quote from: CrabbyMilton on July 09, 2020, 09:23:34 AM
The specs I saw stated that it was a 6 speed triple range but thanks anyway.


His transmission has a high and low range before it goes through  TorqueAmatic
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